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Author Quintelier, M.; Hajizadeh, A.; Zintler, A.; Gonçalves, B.F.; Fernández de Luis, R.; Esrafili Dizaji, L.; Vande Velde, C.M.L.; Wuttke, S.; Hadermann, J. pdf  url
doi  openurl
  Title In SituStudy of the Activation Process of MOF-74 Using Three-Dimensional Electron Diffraction Type A1 Journal Article
  Year 2024 Publication Chemistry of Materials Abbreviated Journal Chem. Mater.  
  Volume Issue Pages  
  Keywords A1 Journal Article; 3DED; MOFs; in situ; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract Metal–organic framework (MOF)-74 is known for its effectiveness in selectively capturing carbon dioxide (CO2). Especially the Zn and Cu versions of MOF-74 show high efficiency of this material for CO2. However, the activation of this MOF, which is a crucial step for its utilization, is so far not well understood. Here, we are closing the knowledge gap by examining the activation using, for the first time in the MOF, three-dimensional electron diffraction (3DED) during in situ heating. The use of state-of-the-art direct electron detectors enables rapid acquisition and minimal exposure times, therefore minimizing beam damage to the very electron beam-sensitive MOF material. The activation process of Zn-MOF-74 and Cu-MOF-74 is systematically studied in situ, proving the creation of open metal sites. Differences in thermal stability between Zn-MOF-74 and Cu-MOF-74 are attributed to the strength of the metal–oxygen bonds and Jahn–Teller distortions. In the case of Zn-MOF-74, we observe previously unknown remaining electrostatic potentials inside the MOF pores, which indicate the presence of remaining atoms that might impede gas flow throughout the structure when using the MOF for absorption purposes. We believe our study exemplifies the significance of employing advanced characterization techniques to enhance our material understanding, which is a crucial step for unlocking the full potential of MOFs in various applications.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=brocade2&SrcAuth=WosAPI&KeyUT=WOS:001275 Publication Date 2024-07-22  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0897-4756 ISBN (down) Additional Links UA library record; WoS full record  
  Impact Factor 8.6 Times cited Open Access  
  Notes European Regional Development Fund, PID2021-122940OB-C31 ; H2020 Energy, 101022633 ; Universiteit Antwerpen, BOF TOP 38689 ; H2020 Marie Sklodowska-Curie Actions, 956099 ; Fonds Wetenschappelijk Onderzoek, I003218N ; Japan Science and Technology Agency, JPMJSC2102 ; Funda??o de Amparo ? Pesquisa do Estado de S?o Paulo; Agencia Estatal de Investigaci?n,Ministerio de Ciencia, Innovaci?n y Universidades, PID2021-122940OB-C31 TED2021-130621B-C42 ; Approved Most recent IF: 8.6; 2024 IF: 9.466  
  Call Number EMAT @ emat @c:irua:207555 Serial 9255  
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Author Pedrazo-Tardajos, A.; Claes, N.; Wang, D.; Sánchez-Iglesias, A.; Nandi, P.; Jenkinson, K.; De Meyer, R.; Liz-Marzán, L.M.; Bals, S. url  doi
openurl 
  Title Direct visualization of ligands on gold nanoparticles in a liquid environment Type A1 Journal Article
  Year 2024 Publication Nature Chemistry Abbreviated Journal Nat. Chem.  
  Volume Issue Pages  
  Keywords A1 Journal Article; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract The interaction among Au nanoparticles, their surface ligands and the solvent critically influences the properties of nanoparticles. Despite employing spectroscopic and scattering techniques to investigate their ensemble structure, a comprehensive understanding at the nanoscale remains elusive. Electron microscopy enables characterization of the local structure and composition but is limited by insufficient contrast, electron beam sensitivity and ultra-high vacuum, which prevent the investigation of dynamic aspects. Here we show that, by exploiting high-quality graphene liquid cells, we can overcome these limitations and investigate the structure of the ligand shell around the Au nanoparticles, as well as the ligand-Au interface in a liquid environment. Using this graphene liquid cell, we visualize the anisotropy, composition and dynamics of ligand distribution at the Au nanorod surface. Our results indicate a micellar model for the surfactant organisation. This work opens up a reliable and direct visualization of ligand distribution around colloidal nanoparticles.  
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  Publisher Place of Publication Editor  
  Language Wos https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=brocade2&SrcAuth=WosAPI&KeyUT=WOS:001257 Publication Date 2024-06-27  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1755-4330 ISBN (down) Additional Links UA library record; WoS full record; WoS citing articles; WoS full record  
  Impact Factor 21.8 Times cited Open Access  
  Notes S.B., and A.P.-T. acknowledge financial support from the European Commission under the Horizon 2020 Programme by grant no. 731019 (EUSMI) and ERC Consolidator grant no. 815128 (REALNANO). D.W. acknowledges an Individual Fellowship funded by the Marie Sklodowska-Curie Actions (MSCA) in Horizon 2020 program (Grant 894254 SuprAtom). L.L.-M. acknowledges financial support from the European Research Council (ERC Advanced Grant 787510, 4DbioSERS) and the Spanish State Research Agency (Project PID2020-117779RB-I00 and MDM-2017-0720). The authors acknowledge Dr. J. Mosquera and Dr. Jimenez de Aberasturi for provision of samples and useful discussions. Approved Most recent IF: 21.8; 2024 IF: 25.87  
  Call Number EMAT @ emat @c:irua:207062 Serial 9256  
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Author Maerivoet, S.; Wanten, B.; De Meyer, R.; Van Hove, M.; Van Alphen, S.; Bogaerts, A. pdf  url
doi  openurl
  Title Effect of O2on Plasma-Based Dry Reforming of Methane: Revealing the Optimal Gas Composition via Experiments and Modeling of an Atmospheric Pressure Glow Discharge Type A1 Journal Article
  Year 2024 Publication ACS Sustainable Chemistry & Engineering Abbreviated Journal ACS Sustainable Chem. Eng.  
  Volume 12 Issue 30 Pages 11419-11434  
  Keywords A1 Journal Article; plasma-based conversion, thermal plasma, syngas production, CO2 conversion, CH4 conversio; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract Plasma technology is gaining increasing interest for the conversion of greenhouse gases, such as CO2 and CH4, into value-added chemicals using (renewable) electricity. In this paper, we study the effect of O2 addition to the combined conversion of CO2 and CH4 in an atmospheric pressure glow discharge plasma. This process is called “oxidative CO2 reforming of methane”, and we search for the optimal gas mixing ratio in terms of conversion, energy cost, product output and plasma stability. A mixing ratio of 42.5:42.5:15 CO2/CH4/O2 yields the best performance, with a CO2 and CH4 conversion of 50 and 74%, respectively, and an energy cost as low as 2 eV molecule−1 (corresponding to 7.9 kJ L−1 and 190 kJ mol−1), i.e., clearly below the target defined to be competitive with other technologies. The syngas components (CO and H2) are the most important products, with a syngas ratio, H2/CO, being 0.8. Plasma destabilization at high CH4 fractions due to solid carbon formation is the limiting factor for further improving this syngas ratio. The solid carbon material is found to be contaminated with steel particles originating from the electrode material, rendering it unappealing as a side product. Therefore, O2 addition helps to remove the carbon formation. Besides the experiments, we developed a 2D axisymmetric fluid dynamics model, which can successfully predict the experimental trends in conversion, product composition and temperatures, while providing unique insights in the formation of CxHy species.  
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  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=brocade2&SrcAuth=WosAPI&KeyUT=WOS:001280 Publication Date 2024-07-29  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2168-0485 ISBN (down) Additional Links UA library record; WoS full record  
  Impact Factor 8.4 Times cited Open Access  
  Notes Universiteit Antwerpen; Fonds Wetenschappelijk Onderzoek, 40007511 G0I1822N ; H2020 European Research Council, 810182 ; Approved Most recent IF: 8.4; 2024 IF: 5.951  
  Call Number PLASMANT @ plasmant @c:irua:207488 Serial 9257  
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Author Chowdhury, M.S.; Esteban, D.A.; Amin, R.; Román-Freijeiro, C.; Rösch, E.L.; Etzkorn, M.; Schilling, M.; Ludwig, F.; Bals, S.; Salgueiriño, V.; Lak, A. url  doi
openurl 
  Title Organic Molecular Glues to Design Three-Dimensional Cubic Nano-assemblies of Magnetic Nanoparticles Type A1 Journal Article
  Year 2024 Publication Chemistry of Materials Abbreviated Journal Chem. Mater.  
  Volume 36 Issue 14 Pages 6865-6876  
  Keywords A1 Journal Article; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract  
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  Language Wos https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=brocade2&SrcAuth=WosAPI&KeyUT=WOS:001275 Publication Date 2024-07-23  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0897-4756 ISBN (down) Additional Links UA library record; WoS full record  
  Impact Factor 8.6 Times cited Open Access  
  Notes Ministerio de Ciencia e Innovaci?n, PID2020-119242-I00 ; Deutsche Forschungsgemeinschaft, LA 4923/3-1 RTG 1952 ; Horizon 2020 Framework Programme, 823717 ; Approved Most recent IF: 8.6; 2024 IF: 9.466  
  Call Number EMAT @ emat @c:irua:207594 Serial 9258  
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Author Cavallo, M.; Dosa, M.; Nakazato, R.; Porcaro, N.G.; Signorile, M.; Quintelier, M.; Hadermann, J.; Bordiga, S.; Rosero-Navarro, N.C.; Tadanaga, K.; Crocellà, V.; Bonino, F. pdf  url
doi  openurl
  Title Insight on Zn-Al LDH as electrocatalyst for CO2 reduction reaction: An in-situ ATR-IR study Type A1 Journal Article
  Year 2024 Publication Journal of CO2 Utilization Abbreviated Journal Journal of CO2 Utilization  
  Volume 83 Issue Pages 102804  
  Keywords A1 Journal Article; In-situ ATR-IR spectroscopy; Layered Double Hydroxide; CO2 reduction reaction; Electrocatalysis; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract Electrochemical reduction of CO2 (CO2RR) is expected to play a key role among the various strategies being explored to limit global warming. In this scenario, Layered Double Hydroxides (LDHs) are emerging as a promising class of electrocatalysts to replace the most used noble metals. In this work three Zn-Al LDH with different Zn2+/Al3+ ratio were synthesized and characterized by means of XRD, STEM-EDX and HR-TEM. Their suitability for CO2RR to CO was assessed by means of a custom-made three-compartment cell, showing an increase in CO selectivity by decreasing the Zn2+/Al3+ ratio. The CO2 interaction with the samples was firstly

characterized by means of volumetric adsorption measurements, exhibiting an increase in capture capacity by decreasing the Zn2+/Al3+ ratio. The evolution of the samples in interaction with a CO2-saturated liquid flow was then deeply investigated by means of in-situ ATR-IR spectroscopy. The samples displayed a different evolution in the vibrational region of the carbonate-like species (1800–1200 cm???? 1). To better discriminate the different carbonate cyclohexane was also employed. A definitive assignment of the main IR bands of the carbonate was

carried out by studying the spectral behavior of the different bands observed in the ATR-IR experiments and by comparing these results with the existing literature. Interestingly, Zn-Al 1:2 LDH, the most efficient electrocatalyst for CO2RR, is also the sole sample exhibiting a higher monodentate to total bidentate carbonates ratio, suggesting that the existence of a higher content of low coordination oxygen anions with stronger basic character can influence the final catalytic activity.
 
  Address  
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  Language Wos https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=brocade2&SrcAuth=WosAPI&KeyUT=WOS:001264 Publication Date 2024-05-19  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2212-9820 ISBN (down) Additional Links UA library record; WoS full record; WoS full record  
  Impact Factor 7.7 Times cited Open Access  
  Notes This work was supported by 4AirCRAFT project under the strategic international cooperation between Europe and Japan. 4AirCRAFT has received funding from the European Union’s Horizon 2020 research and innovation programme (No 101022633) and Japan Science and Technology Agency (JST) (No JPMJSC2102). We acknowledge the Hercules fund ’Direct electron detector for soft matter TEM’ from Flemish Government for the purchase of the K2 DED. MC, MD, NGP, MS, SB, VC and FB acknowledge support from the Project CH4.0 under the MUR program “Dipartimenti di Eccellenza 2023–2027” (CUP: D13C22003520001) Approved Most recent IF: 7.7; 2024 IF: 4.292  
  Call Number EMAT @ emat @c:irua:207069 Serial 9259  
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Author Lv, H.; Meng, S.; Cui, Z.; Li, S.; Li, D.; Gao, X.; Guo, H.; Bogaerts, A.; Yi, Y. pdf  url
doi  openurl
  Title Plasma-catalytic direct oxidation of methane to methanol over Cu-MOR: Revealing the zeolite-confined Cu2+ active sites Type A1 Journal Article
  Year 2024 Publication Chemical Engineering Journal Abbreviated Journal Chemical Engineering Journal  
  Volume 496 Issue Pages 154337  
  Keywords A1 Journal Article; Direct oxidation Methanol production Plasma catalysis Copper-mordenite catalysts; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract Efficient methane conversion to methanol remains a significant challenge in chemical industry. This study investigates the direct oxidation of methane to methanol under mild conditions, employing a synergy of nonthermal plasma and Cu-MOR (Copper-Mordenite) catalysts. Catalytic tests demonstrate that the Cu-MOR IE-3 catalyst (i.e., prepared by three cycles of ion exchange) exhibits superior catalytic performance (with 51 % methanol selectivity and 7.9 % methane conversion). Conversely, the Cu-MOR catalysts prepared via wetness impregnation tend to over-oxidize CH4 to CO and CO2. Through systematic catalyst characterizations (XRD, TPR, UV–Vis, HRTEM, XPS), we elucidate that ion exchange mainly leads to the formation of zeolite-confined Cu2+ species, while wetness impregnation predominantly results in CuO particles. Based on the catalytic performance, catalyst characterizations and in-situ FTIR spectra, we conclude that zeolite-confined Cu2+ species serve as the active sites for plasma-catalytic direct oxidation of methane to methanol.  
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  Language Wos Publication Date 2024-08-02  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1385-8947 ISBN (down) Additional Links  
  Impact Factor 15.1 Times cited Open Access  
  Notes PetroChina Innovation Foundation, 2018D-5007-0501 ; Fundamental Research Funds for the Central Universities, DUT21JC40 ; Fundamental Research Funds for the Central Universities; China Scholarship Council; National Natural Science Foundation of China, 22272015 ; Approved Most recent IF: 15.1; 2024 IF: 6.216  
  Call Number PLASMANT @ plasmant @ Serial 9260  
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Author Van Daele, K.; Balalta, D.; Hoekx, S.; Jacops, R.; Daems, N.; Altantzis, T.; Pant, D.; Breugelmans, T. pdf  url
doi  openurl
  Title Synergy or Antagonism? Exploring the Interplay of SnO2and an N-OMC Carbon Capture Medium for the Electrochemical CO2Reduction toward Formate Type A1 Journal Article
  Year 2024 Publication ACS Applied Energy Materials Abbreviated Journal ACS Appl. Energy Mater.  
  Volume 7 Issue 13 Pages 5517-5527  
  Keywords A1 Journal Article; nitrogen-doped ordered mesoporous carbon, SnO2, degradation pathways, electrochemical CO2 reduction, formate; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract Closing the anthropogenic carbon cycle by means of the sustainable electrochemical CO2 reduction (eCO2R) toward formate (FA) is a promising strategy for CO2 abatement, clearing the path toward a carbon neutral future. Currently, three possible reaction pathways have been identified for the eCO2R toward FA, all of which are initiated by the adsorption of CO2 on the electrocatalyst’s surface. Therefore, a possible strategy to enhance the availability of CO2 near the active sites is to combine an active electrocatalyst material (here, SnO2) with a known carbon capture medium (here, nitrogen-doped ordered mesoporous carbon (N-OMC)). SnO2 was introduced in situ during the N-OMC synthesis, yielding SnO2-N-OMCs. We approached the state of the art for Sn-based N-doped carbon electrocatalysts in terms of performance under industrially relevant currents with an average FEFA of 59% for SnO2-N-OMC (6) and 61% for SnO2-N-OMC (2). Moreover, the SnO2-N-OMC electrocatalysts require a low overpotential, courtesy of the N-OMC support, compared to the state of the art, for the selective conversion of CO2 toward FA at the industrially relevant current density of 100 mA cm–2. Additionally, the 24 h stability of the best performing SnO2-N-OMC electrocatalysts is explored, and pulverization/agglomeration and in situ SnO2 reduction are identified as major degradation pathways, allowing future research to be steered more accurately toward more stable Sn-based electrocatalysts for the eCO2R toward FA. An optimal combination of both the SnO2 species and the N-OMC carbon capture medium could result in a synergistic effect, especially when utilization of the N-OMC support material is optimized to morphologically stabilize the SnO2 active species.  
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  Language Wos https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=brocade2&SrcAuth=WosAPI&KeyUT=WOS:001253 Publication Date 2024-07-08  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2574-0962 ISBN (down) Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 6.4 Times cited Open Access  
  Notes K.V.D. received financial support through a PhD fellowship strategic basic research (1S83320N) from the Research Foundation Flanders (FWO). Additionally, this project received funding in the framework of the Catalisti cluster SBO project CO2PERATE (“All renewable CCU based on formic acid integrated in an industrial micro-grid”), with financial support of VLAIO (Flemish Agency for Innovation and Entrepreneurship) (UA & VITO). Furthermore, this research was supported by the Interreg 2 Seas-program 2014–2020, cofunded by the European Regional Development Fund under subsidy contract no. E2C 2S03-019 (UA & VITO). D.B. and D.P. acknowledge the support from European Union’s Horizon 2020 MSCA-ITN programme under grant agreement no. 955650 (CATCHY). S.H. is financially supported through a PhD fellowship strategic basic research (1S42623N) from the Research Foundation Flanders (FWO). R.J. received financial support of the federal Energy Transition Fund by FPS Economy. T.A. acknowledges funding from the University of Antwerp Research fund (BOF). We acknowledge Prof. Tom Hauffman and Kitty Baert from the Electrochemical and Surface Engineering research group (SURF) at the VUB (Vrije Universiteit Brussel) for the XPS measurements, Prof. Christophe Vande Velde from the Intelligence in Processes, Advanced Catalysts and Solvents (iPRACS, UAntwerp) research group for the XRD analysis, and Prof. Pegie Cool, Prof. Vera Meynen, and Radu-George Ciocarlan from the Laboratory of Adsorption and Catalysis (LADCA, UAntwerp) for the nitrogen physisorption and Raman spectroscopy measurements. Approved Most recent IF: 6.4; 2024 IF: NA  
  Call Number EMAT @ emat @c:irua:206409 Serial 9261  
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Author de Block, T.; De Baetselier, I.; Van den Bossche, D.; Abdellati, S.; Gestels, Z.; Laumen, J.G.E.; Van Dijck, C.; Vanbaelen, T.; Claes, N.; Vandelannoote, K.; Kenyon, C.; Harrison, O.; Santhini Manoharan-Basil, S. pdf  url
doi  openurl
  Title Genomic oropharyngeal Neisseria surveillance detects MALDI-TOF MS species misidentifications and reveals a novel Neisseria cinerea clade Type A1 Journal Article
  Year 2024 Publication Journal of Medical Microbiology Abbreviated Journal  
  Volume 73 Issue 8 Pages  
  Keywords A1 Journal Article; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract Introduction. Commensal Neisseria spp. are highly prevalent in the oropharynx as part of the healthy microbiome. N. meningitidis can colonise the oropharynx too from where it can cause invasive meningococcal disease. To identify N. meningitidis, clinical microbiology laboratories often rely on Matrix Assisted Laser Desorption/Ionisation Time of Flight Mass Spectrometry (MALDI-TOF MS).

Hypothesis/Gap statement. N. meningitidis may be misidentified by MALDI-TOF MS.

Aim. To conduct genomic surveillance of oropharyngeal Neisseria spp. in order to: (i) verify MALDI-TOF MS species identification, and (ii) characterize commensal Neisseria spp. genomes.

Methodology. We analysed whole genome sequence (WGS) data from 119 Neisseria spp. isolates from a surveillance programme for oropharyngeal Neisseria spp. in Belgium. Different species identification methods were compared: (i) MALDI-TOF MS, (ii) Ribosomal Multilocus Sequence Typing (rMLST) and (iii) rplF gene species identification. WGS data were used to further characterize Neisseria species found with supplementary analyses of Neisseria cinerea genomes.

Results. Based on genomic species identification, isolates from the oropharyngeal Neisseria surveilence study were composed of the following species: N. meningitidis (n=23), N. subflava (n=61), N. mucosa (n=15), N. oralis (n=8), N. cinerea (n=5), N. elongata (n=3), N. lactamica (n=2), N. bacilliformis (n=1) and N. polysaccharea (n=1). Of these 119 isolates, four isolates identified as N. meningitidis (n=3) and N. subflava (n=1) by MALDI-TOF MS, were determined to be N. polysaccharea (n=1), N. cinerea (n=2) and N. mucosa (n=1) by rMLST. Phylogenetic analyses revealed that N. cinerea isolates from the general population (n=3, cluster one) were distinct from those obtained from men who have sex with men (MSM, n=2, cluster two). The latter contained genomes misidentified as N. meningitidis using MALDI-TOF MS. These two N. cinerea clusters persisted after the inclusion of published N. cinerea WGS (n=42). Both N. cinerea clusters were further defined through pangenome and Average Nucleotide Identity (ANI) analyses.

Conclusion. This study provides insights into the importance of genomic genus-wide Neisseria surveillance studies to improve the characterization and identification of the Neisseria genus.
 
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  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-08-30  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0022-2615 ISBN (down) Additional Links  
  Impact Factor 3 Times cited Open Access  
  Notes We would like to thank all the study participants for their help in this study. This research was supported by SOFI 2021 grant—‘PReventing the Emergence of untreatable STIs via radical Prevention’ (PRESTIP). Approved Most recent IF: 3; 2024 IF: 2.159  
  Call Number EMAT @ emat @ Serial 9262  
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Author Espona‐Noguera, A.; Živanić, M.; Smits, E.; Bogaerts, A.; Privat‐Maldonado, A.; Canal, C. url  doi
openurl 
  Title Unlocking Novel Anticancer Strategies: Bioactive Hydrogels for Local Delivery of Plasma‐Derived Oxidants in an In Ovo Cancer Model Type A1 Journal Article
  Year 2024 Publication Macromolecular Bioscience Abbreviated Journal Macromolecular Bioscience  
  Volume Issue Pages  
  Keywords A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract Cold atmospheric plasma (CAP) is a tool with the ability to generate reactive oxygen and nitrogen species (RONS), which can induce therapeutic effects like disinfection, wound healing, and cancer treatment. In the plasma oncology field, CAP‐treated hydrogels (PTHs) are being explored for the local administration of CAP‐derived RONS as a novel anticancer approach. PTHs have shown anticancer effects in vitro, however, they have not yet been studied in more relevant cancer models. In this context, the present study explores for the first time the therapeutic potential of PTHs using an advanced in ovo cancer model. PTHs composed of alginate (Alg), gelatin (Gel), Alg/Gel combination, or Alg/hyaluronic acid (HA) combination are investigated. All embryos survived the PTHs treatment, suggesting that the in ovo model could become a time‐ and cost‐effective tool for developing hydrogel‐based anticancer approaches. Results revealed a notable reduction in CD44+ cell population and their proliferative state for the CAP‐treated Alg‐HA condition. Moreover, the CAP‐treated Alg‐HA formulation alters the extracellular matrix composition, which may help combat drug‐resistance. In conclusion, the present study validates the utility of in ovo cancer model for PTHs exploration and highlights the promising potential of Alg‐based PTHs containing HA and CAP‐derived RONS for cancer treatment.  
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  Language Wos Publication Date 2024-07-05  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1616-5187 ISBN (down) Additional Links  
  Impact Factor 4.6 Times cited Open Access  
  Notes Generalitat de Catalunya, SGR2022‐1368 ; European Cooperation in Science and Technology, COSTActionCA20114(TherapeuticalApplicationsofColdPlasmas) ; Approved Most recent IF: 4.6; 2024 IF: 3.238  
  Call Number PLASMANT @ plasmant @ Serial 9263  
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Author Vertongen, R.; De Felice, G.; van den Bogaard, H.; Gallucci, F.; Bogaerts, A.; Li, S. url  doi
openurl 
  Title Sorption-Enhanced Dry Reforming of Methane in a DBD Plasma Reactor for Single-Stage Carbon Capture and Utilization Type A1 Journal Article
  Year 2024 Publication ACS Sustainable Chemistry & Engineering Abbreviated Journal ACS Sustainable Chem. Eng.  
  Volume 12 Issue 29 Pages 10841-10853  
  Keywords A1 Journal Article; plasma, dry reforming of methane, dielectric barrier discharge, sorbent, carbon capture and utilization, zeolite; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract Plasma−sorbent systems are a novel technology for single-stage carbon capture and utilization (CCU), where the plasma enables the desorption of CO2 from a sorbent and the simultaneous conversion to CO. In this study, we test the flexibility of a plasma−sorbent system in a single unit, specifically for sorption-enhanced dry reforming of methane (DRM). The experimental results indicate the selective adsorption of CO2 by the sorbent zeolite 5A in the first step, and CH4 addition during the plasma-based desorption of CO2 enables DRM to various value-added products in the second step, such as H2, CO, hydrocarbons, and the byproduct H2O. Furthermore, our work also demonstrates that zeolite has the potential to increase the conversion of CO2 and CH4, attributed to its capability to capture H2O. Aside from the notable carbon deposition, material analysis shows that the zeolite remains relatively stable under plasma exposure.  
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  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-07-22  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2168-0485 ISBN (down) Additional Links  
  Impact Factor 8.4 Times cited Open Access  
  Notes Fonds Wetenschappelijk Onderzoek, 110221N V404823N ; H2020 European Research Council, 810182 ; Approved Most recent IF: 8.4; 2024 IF: 5.951  
  Call Number PLASMANT @ plasmant @ Serial 9264  
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Author Albrechts, M.; Tsonev, I.; Bogaerts, A. pdf  url
doi  openurl
  Title Can post-plasma CH4injection improve plasma-based dry reforming of methane? A modeling study Type A1 Journal Article
  Year 2024 Publication Green Chemistry Abbreviated Journal Green Chem.  
  Volume 26 Issue 18 Pages 9712-9728  
  Keywords A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract Thermal plasma-driven dry reforming of methane (DRM) has gained increased attention in recent years due to its high conversion and energy conversion efficiency (ECE). Recent experimental work investigated the performance of a pure CO<sub>2</sub>plasma with post-plasma CH<sub>4</sub>injection. The rationale behind this strategy is that by utilizing a pure CO<sub>2</sub>plasma, all plasma energy can be used to dissociate CO<sub>2</sub>, while CH<sub>4</sub>reforming proceeds post-plasma in the reforming reactor with residual heat, potentially improving the energy efficiency compared to injecting both CO<sub>2</sub>and CH<sub>4</sub>into the plasma. To assess whether post-plasma CH<sub>4</sub>injection indeed improves the DRM performance, we developed a chemical kinetics model describing the post-plasma conversion process. We first validated our model by reproducing the experimental results of the pure CO<sub>2</sub>plasma with post-plasma CH<sub>4</sub>injection. Subsequently, we compared both strategies: injecting only CO<sub>2</sub>inside the plasma while injecting CH<sub>4</sub>post-plasma,<italic>vs.</italic>classical plasma-based DRM. Our modeling results indicate that below specific energy inputs (SEI) of 220 kJ mol<sup>−1</sup>, the total conversion slightly improves (<italic>ca.</italic>5%) with the first strategy. However, the ECE is slightly lower due to the low H<sub>2</sub>selectivity caused by substantial H<sub>2</sub>O formation. The highest conversion and ECE are obtained at SEI values of 240–280 kJ mol<sup>−1</sup>, where both strategies yield nearly identical results, indicating the limited potential of improving the performance of DRM by pure CO<sub>2</sub>plasma with post-plasma CH<sub>4</sub>injection. Nevertheless, the approach is still very valuable to allow higher CH<sub>4</sub>/CO<sub>2</sub>ratios without problems of coke formation within the plasma, and thus, to improve plasma stability and reach higher syngas ratios, which is more useful for further Fischer–Tropsch or methanol synthesis.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-08-24  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1463-9262 ISBN (down) Additional Links  
  Impact Factor 9.8 Times cited Open Access  
  Notes HORIZON EUROPE Framework Programme, 101069491 ; Approved Most recent IF: 9.8; 2024 IF: 9.125  
  Call Number PLASMANT @ plasmant @ Serial 9265  
Permanent link to this record
 

 
Author Sun, J.; Chen, Q.; Qin, W.; Wu, H.; Liu, B.; Li, S.; Bogaerts, A. pdf  url
doi  openurl
  Title Plasma-catalytic dry reforming of CH4: Effects of plasma-generated species on the surface chemistry Type A1 Journal Article
  Year 2024 Publication Chemical Engineering Journal Abbreviated Journal Chemical Engineering Journal  
  Volume 498 Issue Pages 155847  
  Keywords A1 Journal Article; Dry reforming of methane Plasma catalysis Plasma-enhanced surface chemistry Path flux and sensitivity analysis Coking kinetics; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract By means of steady-state experiments and a global model, we studied the effects of plasma-generated reactive species on the surface chemistry and coking in plasma-catalytic CH4/CO2 reforming at reduced pressure (8–40 kPa). We used a hybrid ZDPlasKin-CHEMKIN model to predict the species densities over time. The detailed plasma-catalytic mechanism consists of the plasma discharge scheme, a gas-phase chemistry set and a surface mechanism. Our experimental results show that the coupling of Ni/SiO2 catalyst with plasma is more effective in CH4/CO2 activation and conversion than unpacked DBD plasma, with syngas being the main products. The

highest total conversion of 16 % was achieved at 8000 V and 473 K, with corresponding CO and H2 yields of 15 % and 12 %, respectively. The reactants conversion and product selectivity are well captured by the kinetic model. Our simulation results suggest that vibrational species and radicals can accelerate the dissociative adsorption and Eley-Rideal (E-R) reactions. Path flux analysis shows that E-R reactions dominate the surface reaction pathways, which differs from thermal catalysis, indicating that the coupling of non-equilibrium plasma and catalysis can effectively shift the formation and consumption pathways of important adsorbates. For instance, our model suggests that HCOO(s) is primarily generated through the E-R reaction CO2(v) + H(s) → HCOO(s), while the hydrogenation reaction HCOO(s) + H → HCOOH(s) is the main source of HCOOH(s). Carbon deposition on the

catalyst surface is primarily formed through the stepwise dehydrogenation of CH4, while the E-R reactions enhanced by plasma-generated H and O atoms dominate the consumption of carbon deposition. This work provides new insights into the effects of reactive species on the surface chemistry in plasma-catalytic CH4/CO2 reforming.
 
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-09-17  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1385-8947 ISBN (down) Additional Links  
  Impact Factor 15.1 Times cited Open Access  
  Notes National Natural Science Foundation of China; Approved Most recent IF: 15.1; 2024 IF: 6.216  
  Call Number PLASMANT @ plasmant @ Serial 9266  
Permanent link to this record
 

 
Author Fedirchyk, I.; Tsonev, I.; Quiroz Marnef, R.; Bogaerts, A. url  doi
openurl 
  Title Plasma-assisted NH3 cracking in warm plasma reactors for green H2 production Type A1 Journal Article
  Year 2024 Publication Chemical Engineering Journal Abbreviated Journal Chemical Engineering Journal  
  Volume 499 Issue Pages 155946  
  Keywords A1 Journal Article; Plasma-assisted NH3 cracking Plasma reactors Warm plasma H2 production from NH3; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract renewable energy. Plasma technology is promising for this purpose, as it can crack NH3 without the need for a catalyst and is highly compatible with renewable electricity, reducing the environmental footprint of the cracking process. This work investigates the NH3 cracking performance of four different warm plasma reactors with different configurations and operating in a wide range of conditions. We show that the NH3 conversion in warm plasma reactors is primarily determined by the specific energy input, with the main difference observed in the energy cost (EC) of cracking. The lowest EC obtained is 146 kJ/mol but at a conversion of only 8 %. A more reasonable conversion of around 50 % yields an EC of around 200 kJ/mol in two of the reactors investigated. Plasma reactors operating at higher feed flow rates are more efficient and yield a higher H2 production rate. Our data indicate that NH3 cracking in these warm plasma reactors occurs mainly via thermal chemistry, with nonthermal plasma chemistry playing a less prominent role. NH3 decomposes not only inside the plasma core but also in a hot volume around it, which reduces the EC. Our study shows that warm plasmas are significantly more efficient for NH3 cracking than cold plasmas, even when the latter are combined with catalysts.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-09-19  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1385-8947 ISBN (down) Additional Links  
  Impact Factor 15.1 Times cited Open Access  
  Notes Belgian Federal Government; European Commission Marie Sklodowska-Curie Actions; Approved Most recent IF: 15.1; 2024 IF: 6.216  
  Call Number PLASMANT @ plasmant @ Serial 9267  
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Author Gholam, S.; Hadermann, J. pdf  url
doi  openurl
  Title The effect of the acceleration voltage on the quality of structure determination by 3D-electron diffraction Type A1 Journal Article
  Year 2024 Publication Ultramicroscopy Abbreviated Journal Ultramicroscopy  
  Volume 266 Issue Pages 114022  
  Keywords A1 Journal Article; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract Nowadays, 3D Electron Diffraction (3DED) is widely used for the structure determination of sub-micron-sized particles. In this work, we investigate the influence of the acceleration voltage on the quality of 3DED datasets acquired on BaTiO3 nanoparticles. Datasets were acquired using a wide range of beam energies, from common, high acceleration voltages (300 kV and 200 kV) to medium (120 kV and 80 kV) and low acceleration voltages (60 kV and 30 kV). In the integration process, Rint increases as the beam energy reduces, which is mainly due to the increased dynamical scattering. Nevertheless, the structure was solved successfully in all cases. The structure refinement was comparable for all beam energies with small deficiencies such as negative atomic displacements for the heaviest atom in the structure, barium. Including extinction correction in the refinement noticeably improved the model for low acceleration voltages, probably due to higher beam absorption in these cases. Dynamical refinement, however, shows superior results for higher acceleration voltages, since the dynamical refinement calculations currently discard inelastic scattering effects.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=brocade2&SrcAuth=WosAPI&KeyUT=WOS:001297 Publication Date 2024-08-05  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0304-3991 ISBN (down) Additional Links UA library record; WoS full record  
  Impact Factor 2.2 Times cited Open Access  
  Notes The authors acknowledge funding from the Research Foundation Flanders (FWO, Belgium) project SBO S000121N. The authors are also grateful to Dr. Armand Béché and Dr. Lars Riekehr for their technical support and to Prof. Lukáš Palatinus, Dr. Stefano Canossa, Dr. Maria Batuk and Amirhossein Hajizadeh for fruitful discussions. Approved Most recent IF: 2.2; 2024 IF: 2.843  
  Call Number EMAT @ emat @c:irua:208540 Serial 9268  
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Author Gholam, S.; Denisov, N.; Orekhov, A.; Verbeeck, J.; Hadermann, J. pdf  url
doi  openurl
  Title An Investigation on 3D Electron Diffraction and 4-Dimensional Scanning Diffraction Tomography Using a Scanning Electron Microscope Type P1 Conference Proceedings
  Year 2024 Publication Microscopy and Microanalysis Abbreviated Journal  
  Volume 30 Issue Supplement_1 Pages  
  Keywords P1 Conference Proceedings; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract During the last decade, 3D-Electron Diffraction (3D-ED) has emerged as a powerful technique for studying the structure of sub-micron particles. It is used in a variety of applications, from unit cell and space group determination to the complete solution of the structure similar to X-ray diffraction techniques. So far, this technique has been only implemented in Transmission Electron Microscopes (TEMs). Performing such an experiment in a Scanning Electron Microscope (SEM) can be challenging, mainly due to the lower acceleration voltage. This lower beam energy raises concerns about severe multiple scattering and limited transmissivity of the sample for the weakly accelerated electrons.

In this work, we show the possibilities of operating similar studies in a modified SEM. For this aim, we equipped our SEM with a custom stage and holder, a direct electron detector and a custom high-angle annular dark-field detector (HAADF). A range of samples was studied in the form of lamellas and sub-micron particles, and the quality of the diffraction data was evaluated for different purposes, such as unit cell determination and space group determination. Moreover, the ability to integrate the diffraction data for structure solution and refinement has been assessed and compared to similar data acquired in a TEM.

Finally, we also demonstrate the potential for combining diffraction tomography and 4-dimensional scanning transmission electron microscopy (4D-STEM) in our setup. This method opens an avenue to obtain multiple 3DED datasets out of 5D-STEM data. These 3DED datasets can be created using object tracking methods from several regions of a multi-domain particle or from multiple single crystals within the scanning region. This provides an attractive route to high-throughput and statistically relevant characterization of polycrystalline materials or powders of nanoparticles.
 
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-07-24  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1431-9276 ISBN (down) Additional Links  
  Impact Factor 2.8 Times cited Open Access  
  Notes The authors acknowledge the financial support of the Research Foundation Flanders (FWO, Belgium) project SBO S000121N. The authors are also grateful to Amsterdam Scientific Instruments. Approved Most recent IF: 2.8; 2024 IF: 1.891  
  Call Number EMAT @ emat @ Serial 9269  
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Author Stoops, T.; De Backer, A.; Lobato, I.; Van Aert, S. pdf  url
doi  openurl
  Title Obtaining 3D Atomic Reconstructions from Electron Microscopy Images Using a Bayesian Genetic Algorithm: Possibilities, Insights, and Limitations Type A1 Journal Article
  Year 2024 Publication Microscopy and Microanalysis Abbreviated Journal  
  Volume Issue Pages  
  Keywords A1 Journal Article; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract The Bayesian genetic algorithm (BGA) is a powerful tool to reconstruct the 3D structure of mono-atomic single-crystalline metallic nanoparticles imaged using annular dark field scanning transmission electron microscopy. The number of atoms in a projected atomic column in the image is used as input to obtain an accurate and atomically precise reconstruction of the nanoparticle, taking prior knowledge and the finite precision of atom counting into account. However, as the number of parameters required to describe a nanoparticle with atomic detail rises quickly with the size of the studied particle, the computational costs of the BGA rise to prohibitively expensive levels. In this study, we investigate these computational costs and propose methods and control parameters for efficient application of the algorithm to nanoparticles of at least up to 10 nm in size.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-10-02  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1431-9276 ISBN (down) Additional Links  
  Impact Factor 2.8 Times cited Open Access  
  Notes European Research Council, 770887 ; Research Foundation Flanders, G034621N G0A7723N 40007495 ; FWO and F.R.S-FNRS; Flemish Government; Approved Most recent IF: 2.8; 2024 IF: 1.891  
  Call Number EMAT @ emat @ Serial 9270  
Permanent link to this record
 

 
Author Poppe, R.; Hadermann, J. pdf  url
doi  openurl
  Title Optimization of three-dimensional electron diffuse scattering data acquisition Type A1 Journal Article
  Year 2024 Publication Ultramicroscopy Abbreviated Journal Ultramicroscopy  
  Volume 265 Issue Pages 114023  
  Keywords A1 Journal Article; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract The diffraction patterns of crystalline materials with local order contain sharp Bragg reflections as well as highly structured diffuse scattering. In this study, we quantitatively show how the diffuse scattering in three-dimensional electron diffraction (3D ED) data is influenced by various parameters, including the data acquisition mode, the detector type and the use of an energy filter. We found that diffuse scattering data used for quantitative analysis are preferably acquired in selected area electron diffraction (SAED) mode using a CCD and an energy filter. In this study, we also show that the diffuse scattering in 3D ED data can be obtained with a quality comparable to that from single-crystal X-ray diffraction. As electron diffraction requires much smaller crystal sizes than X-ray diffraction, this opens up the possibility to investigate the local structure of many technologically relevant materials for which no crystals large enough for single-crystal X-ray diffraction are available.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=brocade2&SrcAuth=WosAPI&KeyUT=WOS:001294 Publication Date 2024-08-03  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0304-3991 ISBN (down) Additional Links UA library record; WoS full record  
  Impact Factor 2.2 Times cited Open Access  
  Notes The authors would like to thank Dr. Nikolaj Roth for fruitful discussions and Dr. Lukas Palatinus for providing an option to apply symmetry averaging in the three-dimensional reciprocal lattice in PETS2. The authors also acknowledge the Hercules fund ’Direct electron detector for soft matter TEM’ from Flemish Government for the purchase of the Merlin detector. Approved Most recent IF: 2.2; 2024 IF: 2.843  
  Call Number EMAT @ emat @c:irua:207457 Serial 9271  
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Author Arenas Esteban, D.; Wang, D.; Kadu, A.; Olluyn, N.; Sánchez-Iglesias, A.; Gomez-Perez, A.; González-Casablanca, J.; Nicolopoulos, S.; Liz-Marzán, L.M.; Bals, S. url  doi
openurl 
  Title Quantitative 3D structural analysis of small colloidal assemblies under native conditions by liquid-cell fast electron tomography Type A1 Journal Article
  Year 2024 Publication Nature Communications Abbreviated Journal Nat Commun  
  Volume 15 Issue 1 Pages 6399  
  Keywords A1 Journal Article; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract Electron tomography has become a commonly used tool to investigate the three-dimensional (3D) structure of nanomaterials, including colloidal nanoparticle assemblies. However, electron microscopy is typically done under high-vacuum conditions, requiring sample preparation for assemblies obtained by wet colloid chemistry methods. This involves solvent evaporation and deposition on a solid support, which consistently alters the nanoparticle organization. Here, we suggest using electron tomography to study nanoparticle assemblies in their original colloidal liquid environment. To address the challenges related to electron tomography in liquid, we devise a method that combines fast data acquisition in a commercial liquid-cell with a dedicated alignment and reconstruction workflow. We present the advantages of this methodology in accurately characterizing two different systems. 3D reconstructions of assemblies comprising polystyrene-capped Au nanoparticles encapsulated in polymeric shells reveal less compact and more distorted configurations for experiments performed in a liquid medium compared to their dried counterparts. A similar expanded trend can be observed in quantitative analysis of the surface-to-surface distances of self-assembled Au nanorods in water rather than in a vacuum, which agrees with bulk measurements. This study, therefore, emphasizes the importance of developing high-resolution characterization tools that preserve the native environment of colloidal nanostructures.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=brocade2&SrcAuth=WosAPI&KeyUT=WOS:001281 Publication Date 2024-07-30  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2041-1723 ISBN (down) Additional Links UA library record; WoS full record  
  Impact Factor 16.6 Times cited Open Access  
  Notes S.B., D.A.E., D.W., N.O., and A.K. acknowledge financial support from ERC Consolidator Grant Number 815128 REALNANO and Horizon Europe MSCA-SE no. 101131111 – DELIGHT. D.W. acknowledges an Individual Fellowship funded by the Marie Skłodowska-Curie Actions (MSCA) in Horizon 2020 program (grant 894254 SuprAtom). L.M.L.M. acknowledges financial support from Project PID2020-117779RB-I00, State Research Agency of Spain, Ministry of Science and Innovation. Approved Most recent IF: 16.6; 2024 IF: 12.124  
  Call Number EMAT @ emat @c:irua:207654 Serial 9272  
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Author Schrenker, N.J.; Braeckevelt, T.; De Backer, A.; Livakas, N.; Yu, C.-P.; Friedrich, T.; Roeffaers, M.B.J.; Hofkens, J.; Verbeeck, J.; Manna, L.; Van Speybroeck, V.; Van Aert, S.; Bals, S. url  doi
openurl 
  Title Investigation of the Octahedral Network Structure in Formamidinium Lead Bromide Nanocrystals by Low-Dose Scanning Transmission Electron Microscopy Type A1 Journal Article
  Year 2024 Publication Nano Letters Abbreviated Journal Nano Lett.  
  Volume 24 Issue 35 Pages 10936-10942  
  Keywords A1 Journal Article; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract Metal halide perovskites (MHP) are highly promising semiconductors. In this study, we focus on FAPbBr3 nanocrystals, which are of great interest for green light-emitting diodes. Structural parameters significantly impact the properties of MHPs and are linked to phase instability, which hampers long-term applications. Clearly, there is a need for local and precise characterization techniques at the atomic scale, such as transmission electron microscopy. Because of the high electron beam sensitivity of MHPs, these investigations are extremely challenging. Here, we applied a low-dose method based on four-dimensional scanning transmission electron microscopy. We quantified the observed elongation of the projections of the Br atomic columns, suggesting an alternation in the position of the Br atoms perpendicular to the Pb–Br–Pb bonds. Together with molecular dynamics simulations, these results remarkably reveal local distortions in an on-average cubic structure. Additionally, this study provides an approach to prospectively investigating the fundamental degradation mechanisms of MHPs.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-09-04  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1530-6984 ISBN (down) Additional Links  
  Impact Factor 10.8 Times cited Open Access  
  Notes The authors acknowledge financial support from the Research Foundation-Flanders (FWO) through project fundings (G0A7723N) and a postdoctoral fellowship to N.J.S. (FWO Grants 1238622N and V413524N). The authors acknowledge financial support from iBOF-21-085 PERSIST. S.B. and S.V.A. acknowledge financial support from the European Commission by ERC Consolidator Grant 815128 (REALNANO) and Grant 770887 (PICOMETRICS). L.M. acknowledges financial support from the European Commission by ERC Advanced Grant 101095974 (NEHA). V.V.S. furthermore acknowledges the Research Fund of Ghent University (BOF) for its financial support. The computational resources and services used in this work were provided by VSC (Flemish Supercomputer Center), funded by the Research Foundation-Flanders (FWO), and the Flemish Government. Approved Most recent IF: 10.8; 2024 IF: 12.712  
  Call Number EMAT @ emat @ Serial 9273  
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Author Zani, V.; Renero-Lecuna, C.; Jimenez de Aberasturi, D.; di Silvio, D.; Kavak, S.; Bals, S.; Signorini, R.; Liz-Marzán, L.M. url  doi
openurl 
  Title Core–Shell Colloidal Nanocomposites for Local Temperature Monitoring during Photothermal Heating Type A1 Journal Article
  Year 2024 Publication The Journal of Physical Chemistry C Abbreviated Journal J. Phys. Chem. C  
  Volume Issue Pages  
  Keywords A1 Journal Article; Electron Microscopy for Materials Science (EMAT) ;  
  Abstract Determining temperature changes at the heating site to accurately control thermal treatments has been a major goal in the field of nanothermometry. In this study, we address the need to effectively monitor local temperature during the application of photothermal therapies, which is essential to prevent uncontrolled heating induced by nanoparticle sensitizers used in such treatments. For this purpose, we developed a synthetic protocol to produce a nanocomposite probe that allows local photothermal heating and simultaneous in situ optical nanothermometry, within the biological transparency windows. The nanocomposite material comprises gold nanorods for light-to-heat conversion and neodymium (Nd3+)-based nanoparticles for local temperature monitoring. An inert spacer made of mesoporous silica provides a core-shell structure and ensures uniform separation between both functionalities to prevent photoluminescence quenching. By using an 808 nm laser as the source for both heating and photoluminescence excitation, we demonstrate a direct correlation between local temperature and near infrared Nd3+ emission intensities, thereby providing precise local temperature monitoring. Different levels of local heating were studied by varying the incident laser power, resulting in a maximum temperature increase of 47 °C detected with the nanothermometers. Albeit presented here as a proof of concept, this concept can be translated to the design of materials for photothermal therapy.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-10-03  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1932-7447 ISBN (down) Additional Links  
  Impact Factor 3.7 Times cited Open Access  
  Notes L.L.L.-M. acknowledges financial support by the Spanish Agencia Estatal de Investigación and FEDER (PID2023-151281OB-I00), S.K. acknowledges the Flemish Fund for Scientific Research (FWO Vlaanderen) through a PhD research grant (Project numbers: 1181122N & 1181124N) and the European Research Council (CoG 815128, REALNANO). Approved Most recent IF: 3.7; 2024 IF: 4.536  
  Call Number EMAT @ emat @ Serial 9328  
Permanent link to this record
 

 
Author Biscop, E.; Baroen, J.; De Backer, J.; Vanden Berghe, W.; Smits, E.; Bogaerts, A.; Lin, A. url  doi
openurl 
  Title Characterization of regulated cancer cell death pathways induced by the different modalities of non-thermal plasma treatment Type A1 Journal Article
  Year 2024 Publication Cell Death Discovery Abbreviated Journal Cell Death Discov.  
  Volume 10 Issue 1 Pages 416  
  Keywords A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract Non-thermal plasma (NTP) has shown promising anti-cancer effects, but there is still limited knowledge about the underlying cell death mechanisms induced by NTP and inherent differences between NTP treatment modalities. This study aimed to investigate four major regulated cell death (RCD) pathways, namely apoptosis, pyroptosis, necroptosis, and ferroptosis, in melanoma cancer cells following NTP treatment, and to provide an overview of molecular mechanistic differences between direct and indirect NTP treatment modalities. To discriminate which cell death pathways were triggered after treatment, specific inhibitors of apoptosis, pyroptosis, necroptosis, and ferroptosis were evaluated. RCD-specific molecular pathways were further investigated to validate the findings with inhibitors. Both direct and indirect NTP treatment increased caspase 3/7 and annexin V expression, indicative of apoptosis, as well as lipid peroxidation, characteristic of ferroptosis. Pyroptosis, on the other hand, was only induced by direct NTP treatment, evidenced by increased caspase 1 activity, whereas necroptosis was stimulated in a cell line-dependent manner. These findings highlight the molecular differences and implications of direct and indirect NTP treatment for cancer therapy. Altogether, activation of multiple cell death pathways offers advantages in minimizing treatment resistance and enhancing therapeutic efficacy, particularly in a combination setting. Understanding the mechanisms underlying NTP-induced RCD will enable the development of strategic combination therapies targeting multiple pathways to achieve cancer lethality.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-09-30  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2058-7716 ISBN (down) Additional Links  
  Impact Factor Times cited Open Access  
  Notes This work was partially funded by the Research Foundation—Flanders (FWO) and supported by the following Grants: 12S9221N (AL), G044420N (AL and AB), and G033020N (AB). We would also like to acknowledge the help of Iuliia Efimova and Prof. Dmitri Krysko (Cell Death Investigation and Therapy Laboratory, Ghent University), where discussions and optimization for these experiments started, but unfortunately and abruptly halted due to the COVID pandemic. Still we appreciate their valuable discussions. Figure 6 was made in BioRender. We would also like to acknowledge the support from the European Cooperation in Science & Technology (COST) Action on “Therapeutical applications of Cold Plasmas” (CA20114; PlasTHER). Approved Most recent IF: NA  
  Call Number PLASMANT @ plasmant @ Serial 9329  
Permanent link to this record
 

 
Author Sun, J.; Qu, Z.; Gao, Y.; Li, T.; Hong, J.; Zhang, T.; Zhou, R.; Liu, D.; Tu, X.; Chen, G.; Brüser, V.; Weltmann, K.-D.; Mei, D.; Fang, Z.; Borras, A.; Barranco, A.; Xu, S.; Ma, C.; Dou, L.; Zhang, S.; Shao, T.; Chen, G.; Liu, D.; Lu, X.; Bo, Z.; Chiang, W.-H.; Vasilev, K.; Keidar, M.; Nikiforov, A.; Jalili, A.R.; Cullen, P.J.; Dai, L.; Hessel, V.; Bogaerts, A.; Murphy, A.B.; Zhou, R.; Ostrikov, K.(K.) pdf  url
doi  openurl
  Title Plasma power-to-X (PP2X): status and opportunities for non-thermal plasma technologies Type A1 Journal Article
  Year 2024 Publication Journal of Physics D: Applied Physics Abbreviated Journal J. Phys. D: Appl. Phys.  
  Volume 57 Issue 50 Pages 503002  
  Keywords A1 Journal Article; plasma power-to-X, non-thermal plasma, gas conversion, plasma catalysis, renewable energy; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract This article discusses the ‘power-to-X’ (P2X) concept, highlighting the integral role of non-thermal plasma (NTP) in P2X for the eco-friendly production of chemicals and valuable fuels. NTP with unique thermally non-equilibrium characteristics, enables exotic reactions to occur under ambient conditions. This review summarizes the plasma-based P2X systems, including plasma discharges, reactor configurations, catalytic or non-catalytic processes, and modeling techniques. Especially, the potential of NTP to directly convert stable molecules including CO<sub>2</sub>, CH<sub>4</sub>and air/N<sub>2</sub>is critically examined. Additionally, we further present and discuss hybrid technologies that integrate NTP with photocatalysis, electrocatalysis, and biocatalysis, broadening its applications in P2X. It concludes by identifying key challenges, such as high energy consumption, and calls for the outlook in plasma catalysis and complex reaction systems to generate valuable products efficiently and sustainably, and achieve the industrial viability of the proposed plasma P2X strategy.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-12-20  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0022-3727 ISBN (down) Additional Links  
  Impact Factor 3.4 Times cited Open Access  
  Notes Alexander von Humboldt Foundation; National Science Foundation, 1747760 ; Australian Research Council; Approved Most recent IF: 3.4; 2024 IF: 2.588  
  Call Number PLASMANT @ plasmant @ Serial 9330  
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Author Heirman, P.; Verswyvel, H.; Bauwens, M.; Yusupov, M.; De Waele, J.; Lin, A.; Smits, E.; Bogaerts, A. url  doi
openurl 
  Title Effect of plasma-induced oxidation on NK cell immune checkpoint ligands: A computational-experimental approach Type A1 Journal Article
  Year 2024 Publication Redox Biology Abbreviated Journal Redox Biology  
  Volume 77 Issue Pages 103381  
  Keywords A1 Journal Article; Non-thermal plasma Natural killer cells Immune checkpoints Cancer immunotherapy Umbrella sampling Oxidative stress; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;  
  Abstract Non-thermal plasma (NTP) shows promise as a potent anti-cancer therapy with both cytotoxic and immunomodulatory effects. In this study, we investigate the chemical and biological effects of NTP-induced oxidation on several key, determinant immune checkpoints of natural killer (NK) cell function. We used molecular dynamics (MD) and umbrella sampling simulations to investigate the effect of NTP-induced oxidative changes on the MHCI complexes HLA-Cw4 and HLA-E. Our simulations indicate that these chemical alterations do not significantly affect the binding affinity of these markers to their corresponding NK cell receptor, which is supported with

experimental read-outs of ligand expression on human head and neck squamous cell carcinoma cells after NTP application. Broadening our scope to other key ligands for NK cell reactivity, we demonstrate rapid reduction in CD155 and CD112, target ligands of the inhibitory TIGIT axis, and in immune checkpoint CD73 immediately after treatment. Besides these transient chemical alterations, the reactive species in NTP cause a cascade of downstream cellular reactions. This is underlined by the upregulation of the stress proteins MICA/B, potent ligands for NK cell activation, 24 h post treatment. Taken together, this work corroborates the immunomodulatory potential of NTP, and sheds light on the interaction mechanisms between NTP and cancer cells.
 
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 2024-10-01  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2213-2317 ISBN (down) Additional Links  
  Impact Factor 11.4 Times cited Open Access  
  Notes This research was funded by the Impuls project of the University of Antwerp, grant number 46381. We acknowledge financial support from the Fund for Scientific Research (FWO) Flanders (Grant ID 1100421N (Pepijn Heirman), 1S67621N (Hanne Verswyvel), G044420N (Abraham Lin) and G033020N (Pepijn Heirman, Annemie Bogaerts)). M.Y. ac knowledges the Agency for Innovative Development of the Republic of Uzbekistan, grant number AL-4821012320. The computational sources and services used in this work were provided by the HPC core facility CalcUA of the Universiteit Antwerpen, and VSC (Flemish percomputer Center), funded by the Research Foundation – Flanders (FWO) and the Flemish Government. This article is based upon work from COST Action CA20114 PlasTHER “Therapeutical Applications of Cold Plasmas”, supported by COST (European Cooperation in Science and Technology). We would also like to thank several patrons, as part of this research was funded by donations from different donors, including Dedert Schilde vzw, Mr Willy Floren, and the Vereycken family. Finally, we thank Robin De Meyer, Rani Vertongen and Louize Brants for their valuable input. Approved Most recent IF: 11.4; 2024 IF: 6.337  
  Call Number PLASMANT @ plasmant @ Serial 9331  
Permanent link to this record
 

 
Author Herrebout, D.; Bogaerts, A.; Yan, M.; Goedheer, W.; Dekempeneer, E.; Gijbels, R. doi  openurl
  Title 1D fluid model for an rf methane plasma of interest in deposition of diamond-like carbon layers Type A1 Journal article
  Year 2001 Publication Journal of applied physics Abbreviated Journal J Appl Phys  
  Volume 90 Issue Pages 570-579  
  Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher American Institute of Physics Place of Publication New York, N.Y. Editor  
  Language Wos 000169660000007 Publication Date 2002-07-26  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0021-8979; ISBN (down) Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 2.068 Times cited 83 Open Access  
  Notes Approved Most recent IF: 2.068; 2001 IF: 2.128  
  Call Number UA @ lucian @ c:irua:37250 c:irua:37250 c:irua:37250 c:irua:37250 Serial 2  
Permanent link to this record
 

 
Author Kolev, S.; Bogaerts, A. pdf  url
doi  openurl
  Title A 2D model for a gliding arc discharge Type A1 Journal article
  Year 2015 Publication Plasma sources science and technology Abbreviated Journal Plasma Sources Sci T  
  Volume 24 Issue 24 Pages 015025  
  Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)  
  Abstract In this study we report on a 2D fluid model of a gliding arc discharge in argon. Despite the 3D nature of the discharge, 2D models are found to be capable of providing very useful information about the operation of the discharge. We employ two modelsan axisymmetric and a Cartesian one. We show that for the considered experiment and the conditions of a low current arc (around 30 mA) in argon, there is no significant heating of the cathode surface and the discharge is sustained by field electron emission from the cathode accompanied by the formation of a cathode spot. The obtained discharge power and voltage are relatively sensitive to the surface properties and particularly to the surface roughness, causing effectively an amplification of the normal electric field. The arc body and anode region are not influenced by this and depend mainly on the current value. The gliding of the arc is modelled by means of a 2D Cartesian model. The arcelectrode contact points are analysed and the gliding mechanism along the electrode surface is discussed. Following experimental observations, the cathode spot is simulated as jumping from one point to another. A complete arc cycle is modelled from initial ignition to arc decay. The results show that there is no interaction between the successive gliding arcs.  
  Address  
  Corporate Author Thesis  
  Publisher Institute of Physics Place of Publication Bristol Editor  
  Language Wos 000348298200026 Publication Date 2014-12-23  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0963-0252;1361-6595; ISBN (down) Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 3.302 Times cited 34 Open Access  
  Notes Approved Most recent IF: 3.302; 2015 IF: 3.591  
  Call Number c:irua:122538 c:irua:122538 c:irua:122538 c:irua:122538 Serial 3  
Permanent link to this record
 

 
Author Tan, H.; Turner, S.; Yucelen, E.; Verbeeck, J.; Van Tendeloo, G. url  doi
openurl 
  Title 2D atomic mapping of oxidation states in transition metal oxides by scanning transmission electron microscopy and electron energy-loss spectroscopy : reply Type Editorial
  Year 2012 Publication Physical review letters Abbreviated Journal Phys Rev Lett  
  Volume 108 Issue 25 Pages 259702  
  Keywords Editorial; Electron microscopy for materials research (EMAT)  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos 000305568700038 Publication Date 2012-06-19  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0031-9007 ISBN (down) Additional Links UA library record; WoS full record  
  Impact Factor 8.462 Times cited Open Access  
  Notes Approved Most recent IF: 8.462; 2012 IF: 7.943  
  Call Number UA @ admin @ c:irua:100293 Serial 5370  
Permanent link to this record
 

 
Author Tan, H.; Turner, S.; Yücelen, E.; Verbeeck, J.; Van Tendeloo, G. url  doi
openurl 
  Title 2D atomic mapping of oxidation states in transition metal oxides by scanning transmission electron microscopy and electron energy-loss spectroscopy Type A1 Journal article
  Year 2011 Publication Physical review letters Abbreviated Journal Phys Rev Lett  
  Volume 107 Issue 10 Pages 107602  
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)  
  Abstract Using a combination of high-angle annular dark-field scanning transmission electron microscopy and atomically resolved electron energy-loss spectroscopy in an aberration-corrected transmission electron microscope we demonstrate the possibility of 2D atom by atom valence mapping in the mixed valence compound Mn3O4. The Mn L2,3 energy-loss near-edge structures from Mn2+ and Mn3+ cation sites are similar to those of MnO and Mn2O3 references. Comparison with simulations shows that even though a local interpretation is valid here, intermixing of the inelastic signal plays a significant role. This type of experiment should be applicable to challenging topics in materials science, such as the investigation of charge ordering or single atom column oxidation states in, e.g., dislocations.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication New York, N.Y. Editor  
  Language Wos 000294406600018 Publication Date 2011-09-01  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0031-9007;1079-7114; ISBN (down) Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 8.462 Times cited 115 Open Access  
  Notes Esteem 026019; Fwo Approved Most recent IF: 8.462; 2011 IF: 7.370  
  Call Number UA @ lucian @ c:irua:91265 c:irua:91265 c:irua:91265UA @ admin @ c:irua:91265 Serial 5  
Permanent link to this record
 

 
Author Sels, D.; Sorée, B.; Groeseneken, G. openurl 
  Title 2-D rotational invariant multi sub band Schrödinger-Poisson solver to model nanowire transistors Type A1 Journal article
  Year 2010 Publication Abbreviated Journal  
  Volume Issue Pages 85-88  
  Keywords A1 Journal article; Electron Microscopy for Materials Science (EMAT);  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Pisa University Press Place of Publication Pisa Editor  
  Language Wos Publication Date 0000-00-00  
  Series Editor Series Title Abbreviated Series Title 14th International Workshop on Computational Electronics  
  Series Volume Series Issue Edition  
  ISSN 978-1-4244-9381-4 ISBN (down) Additional Links UA library record  
  Impact Factor Times cited Open Access  
  Notes Approved Most recent IF: NA  
  Call Number UA @ lucian @ c:irua:91699 Serial 6  
Permanent link to this record
 

 
Author Bogaerts, R.; de Keyser, A.; van Bockstal, L.; van der Burgt, M.; van Esch, A.; Provoost, R.; Silverans, R.; Herlach, F.; Swinnen, B.; van de Stadt, A.F.W.; Koenraad, P.M.; Wolter, J.H.; Karavolas, V.C.; Peeters, F.M.; van de Graaf, W.; Borghs, G. openurl 
  Title 2D semiconductors at the Leuven pulsed field facility Type A1 Journal article
  Year 1997 Publication Physicalia magazine Abbreviated Journal  
  Volume 19 Issue Pages 229-239  
  Keywords A1 Journal article; Condensed Matter Theory (CMT)  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Gent Editor  
  Language Wos Publication Date 0000-00-00  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0770-0520 ISBN (down) Additional Links UA library record  
  Impact Factor Times cited Open Access  
  Notes Approved Most recent IF: NA  
  Call Number UA @ lucian @ c:irua:19257 Serial 7  
Permanent link to this record
 

 
Author Krekels, T.; Kaesche, S.; Van Tendeloo, G. pdf  doi
openurl 
  Title 2√2 ap x 2√ ap phase in superconducting ceramics Type A1 Journal article
  Year 1995 Publication Physica: C : superconductivity Abbreviated Journal Physica C  
  Volume 248 Issue 3/4 Pages 317-327  
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)  
  Abstract By means of electron diffraction the 2 root 2 a(p) x 2 root 2 a(p) phase, well-known in YBa2Cu3O7-delta was observed in two other perovskite-based materials (Y0.75Ce0.25)(2)(Sr0.85Y0.15)(2)AlCU2O9 and Bi1.8Pb0.4Sr2Ca2Cu3O10+x. Highly correlated ordering is observed in the ab-plane, the correlation along the c-direction being weak. The plane group of the superstructure symmetry elements was determined on the basis of observed reflection conditions in diffraction patterns. Our results unambiguously rule out oxygen ordering as a possible origin of the superstructure. Experimental evidence points out that the superstructure is associated with the CuO2 layers, that are the only structural elements common to the three compounds studied. A model is proposed where the CuO2 sheet is displacively modulated. Experimental evidence suggests a correlation between adjacent CuO2 sheets. Comparison of simulated and experimental [001] zone diffraction patterns strongly supports our model.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Amsterdam Editor  
  Language Wos A1995RJ45000012 Publication Date 2003-04-07  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0921-4534; ISBN (down) Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 0.942 Times cited 13 Open Access  
  Notes Approved no  
  Call Number UA @ lucian @ c:irua:13317 c:irua:13317 Serial 8  
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