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“Microstructure characterization of oceanic polyethylene debris”. Rowenczyk L, Dazzi A, Deniset-Besseau A, Beltran V, Goudounèche D, Wong-Wah-Chung P, Boyron O, George M, Fabre P, Roux C, Mingotaud AF, ter Halle A, Environmental Science &, Technology 54, 4102 (2020). http://doi.org/10.1021/ACS.EST.9B07061
Abstract: Plastic pollution has become a worldwide concern. It was demonstrated that plastic breaks down to nanoscale particles in the environment, forming so-called nanoplastics. It is important to understand their ecological impact, but their structure is not elucidated. In this original work, we characterize the microstructure of oceanic polyethylene debris and compare it to the nonweathered objects. Cross sections are analyzed by several emergent mapping techniques. We highlight deep modifications of the debris within a layer a few hundred micrometers thick. The most intense modifications are macromolecule oxidation and a considerable decrease in the molecular weight. The adsorption of organic pollutants and trace metals is also confined to this outer layer. Fragmentation of the oxidized layer of the plastic debris is the most likely source of nanoplastics. Consequently the nanoplastic chemical nature differs greatly from plastics.
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 11.4
Times cited: 3
DOI: 10.1021/ACS.EST.9B07061
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“Microstructure of a partially crystallised Ti50Ni25Cu25 melt-spun ribbon”. Santamarta R, Schryvers D, Materials transactions 44, 1760 (2003). http://doi.org/10.2320/matertrans.44.1760
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.713
Times cited: 23
DOI: 10.2320/matertrans.44.1760
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“Microstructure of adiabatic shear bands in Ti6Al4V”. Peirs J, Tirry W, Amin-Ahmadi B, Coghe F, Verleysen P, Rabet L, Schryvers D, Degrieck J, Materials characterization 75, 79 (2013). http://doi.org/10.1016/j.matchar.2012.10.009
Abstract: Microstructural deformation mechanisms in adiabatic shear bands in Ti6Al4V are studied using traditional TEM and selected area diffraction, and more advanced microstructural characterisation techniques such as energy dispersive X-ray spectroscopy, high angle annular dark field STEM and conical dark field TEM. The shear bands under investigation are induced in Ti6Al4V samples by high strain rate compression of cylindrical and hat-shaped specimens in a split Hopkinson pressure bar setup. Samples from experiments interrupted at different levels of deformation are used to study the evolution of the microstructure in and nearby the shear bands. From the early stages of adiabatic shear band formation, TEM revealed strongly elongated equiaxed grains in the shear band. These band-like grains become narrower towards the centre of the band and start to fraction even further along their elongated direction to finally result in a nano-crystalline region in the core. In fully developed shear bands, twins and a needle-like martensite morphology are observed near the shear band.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 2.714
Times cited: 56
DOI: 10.1016/j.matchar.2012.10.009
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“Microstructure of artificial [100] 45 degrees twist grain boundaries in YBa2Cu3O7-delta”. Verbist K, Tafuri F, Granozio FM, Di Chiara S, Van Tendeloo G, Electron Microscopy 1998, Vol 2: Materials Science 1 , 593 (1998)
Keywords: P1 Proceeding; Electron microscopy for materials research (EMAT)
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“Microstructure of artificial [100] 45°, twist grain boundaries in YBa2Cu3O7-”. Verbist K, Tafuri F, Miletto Granozio F, di Chiara S, Van Tendeloo G, Electron microscopy: vol. 2 , 593 (1998)
Keywords: A3 Journal article; Electron microscopy for materials research (EMAT)
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“Microstructure of bilayer manganite PrCa2Mn2O7 showing charge/orbital ordering”. He Z, Tian H, Deng G, Xu Q, Van Tendeloo G, Applied physics letters 102, 212902 (2013). http://doi.org/10.1063/1.4807758
Abstract: The microstructure of the charge/orbital ordering Ruddleden-Popper phase PrCa2Mn2O7 was studied by transmission electron microscopy along both the [001] and the [110] orientation. Three coexisting charge/orbital ordering phases CO1, CO2, and CO3 were observed along the [001] orientation at room temperature. Different from the one-dimensional modulation in the CO1 and CO2 phase, the CO3 phase is characterized by two sets of mutually perpendicular structural modulations. From [110] high angle annular dark field-scanning transmission electron microscopy, we found that the Pr atoms locate in-between the bilayer MnO6 octahedra, which is different from the previous reports.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 3.411
Times cited: 4
DOI: 10.1063/1.4807758
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“Microstructure of CuXMo6S8 Chevrel phase thin films on R-plane sapphire”. Richard O, Van Tendeloo G, Lemée N, le Lannic J, Guilloux-Viry M, Perrin A, Journal of electron microscopy 49, 493 (2000). http://doi.org/10.1093/oxfordjournals.jmicro.a023834
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.9
DOI: 10.1093/oxfordjournals.jmicro.a023834
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“Microstructure of Mn-doped, spin-cast FeSi2”. Morimura T, Frangis N, Van Tendeloo G, van Landuyt J, Hasaka M, Hisatsune K, Journal of electron microscopy 46, 221 (1997)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.9
Times cited: 3
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“Microstructure of precipitates and magnetic domain structure in an annealed Co38Ni33Al29 shape memory alloy”. Bartova B, Wiese N, Schryvers D, Chapman JN, Ignacova S, Acta materialia 56, 4470 (2008). http://doi.org/10.1016/j.actamat.2008.05.006
Abstract: The microstructure of a Co38Ni33Al29 ferromagnetic shape memory alloy was determined by conventional transmission electron microscopy (TEM), electron diffraction studies together with advanced microscopy techniques and in situ Lorentz microscopy. Rod-like precipitates, 1060 nm long, of hexagonal close-packed -Co were confirmed to be present by high-resolution TEM. The orientation relationship between the precipitates and B2 matrix is described by the Burgers orientation relationship. The crystal structure of the martensite obtained after cooling is tetragonal L10 with a (111) twinning plane. The magnetic domain structure was determined during an in situ cooling experiment using the Fresnel mode of Lorentz microscopy. While transformation proceeds from B2 austenite to L10 martensite, new domains are nucleated, leading to a decrease in domain width, with the magnetization lying predominantly along a single direction. It was possible to completely describe the relationship between magnetic domains and crystallographic directions in the austenite phase though complications existed for the martensite phase.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 5.301
Times cited: 23
DOI: 10.1016/j.actamat.2008.05.006
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“Microstructure of quenched Ni-rich Ni-Ti shape memory alloys”. Somsen C, Kästner J, Wassermann EF, Boullay P, Schryvers D, Journal de physique: 4
T2 –, 8th European Symposium on Martensitic Transformations (ESOMAT2000), SEP 04-08, 2000, COMO, ITALY 11, 445 (2001). http://doi.org/10.1051/jp4:2001874
Abstract: Microstructural investigations with transmission electron microscopy were carried out on quenched Ni-Ti alloys with 52 and 54.5 at% Ni. For the Ni52Ti48 specimen long time exposed diffraction patterns of a single grain show besides the expected reflections of the B2-phase, two sets of extra reflections in different zones. The first type of spots is explained by lattice displacement waves, which are regarded as precursors of the martensitic Ni-Ti phases, B 19' and R-phase, respectively. The second set of reflection with more diffuse intensity than the other reflections is related to Ni4Ti3 precipitates in an early state of formation. For the Ni-richer Ni54.5Ti45.5 alloy only Ni4Ti3 precipitates in an early state of formation are found but no precursors of the B 19'- and R-phase.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Times cited: 2
DOI: 10.1051/jp4:2001874
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“Microstructure of surface and subsurface layers of a Ni-Ti shape memory microwire”. Tian H, Schryvers D, Shabalovskaya S, van Humbeeck J, Microscopy and microanalysis 15, 62 (2009). http://doi.org/10.1017/S1431927609090059
Abstract: The microstructure of a 55 Êm diameter, cold-worked Ni-Ti microwire is investigated by different transmission electron microscopy techniques. The surface consists of a few hundred nanometer thick oxide layer composed of TiO and TiO2 with a small fraction of inhomogeneously distributed Ni. The interior of the wire has a core-shell structure with primarily B2 grains in the 1 Êm thick shell, and heavily twinned B19 martensite in the core. This core-shell structure can be explained by a concentration gradient of the alloying elements resulting in a structure separation due to the strong temperature dependence of the martensitic start temperature. Moreover, in between the B2 part of the metallic core-shell and the oxide layer, a Ni3Ti interfacial layer is detected.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 1.891
Times cited: 15
DOI: 10.1017/S1431927609090059
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“Microstructure of tough polycrystalline natural diamond”. Chen JH, Van Tendeloo G, Journal of electron microscopy 48, 121 (1999). http://doi.org/10.1093/oxfordjournals.jmicro.a023658
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.9
Times cited: 9
DOI: 10.1093/oxfordjournals.jmicro.a023658
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“Microstructure of YBa2Cu3O7-x films on buffered Si for microelectronic applications”. Vasiliev AL, Van Tendeloo G, Boikov Y, Olsson E, Ivanov S, Superconductor science and technology 10, 356 (1997)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 2.878
Times cited: 2
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“Microstructure of YBa2Cu3O7-\delta Josephson junctions in relation to their properties”. Verbist K, Lebedev OI, Verhoeven MAJ, Winchern R, Rijnders AJHM, Blank DHA, Tafuri F, Bender H, Van Tendeloo G, Superconductor science and technology 11, 13 (1998). http://doi.org/10.1088/0953-2048/11/1/004
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 2.878
DOI: 10.1088/0953-2048/11/1/004
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“Microstructure of α-axis oriented YBCO films on SrTiO3 substrates using a new template layer La4BaCu5O13”. Prouteau C, Verbist K, Hamet JF, Mercey B, Hervieu M, Raveau B, Van Tendeloo G, Physica: C : superconductivity 288, 231 (1997)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 1.404
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“Microstructures and interfaces in Ni-Al martensite: comparing HRTEM observations with continuum theories”. Schryvers D, Boullay P, Potapov PL, Kohn RV, Ball JM, International journal of solids and structures 39, 3543 (2002). http://doi.org/10.1016/S0020-7683(02)00167-1
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 2.76
Times cited: 13
DOI: 10.1016/S0020-7683(02)00167-1
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“Microtwin sequences in thermoelastic NixAl100-x martensite studied by conventional and high resolution transmission electron microscopy”. Schryvers D, Philosophical magazine: A: physics of condensed matter: defects and mechanical properties 68, 1017 (1993). http://doi.org/10.1080/01418619308219383
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Times cited: 37
DOI: 10.1080/01418619308219383
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“Microwave emission from a crystal of molecular magnets: the role of a resonant cavity”. Benedict MG, Földi P, Peeters FM, Physical review : B : condensed matter and materials physics 72, 214430 (2005). http://doi.org/10.1103/PhysRevB.72.214430
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 3.836
Times cited: 16
DOI: 10.1103/PhysRevB.72.214430
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“Microwave plasma-based dry reforming of methane: Reaction performance and carbon formation”. Kelly S, Mercer E, De Meyer R, Ciocarlan R-G, Bals S, Bogaerts A, Journal of CO2 utilization 75, 102564 (2023). http://doi.org/10.1016/j.jcou.2023.102564
Abstract: e investigate atmospheric pressure microwave (MW) plasma (2.45 GHz) conversion in CO2 and CH4 mixtures (i.e., dry reforming of methane, DRM) focusing on reaction performance and carbon formation. Promising energy costs of ~2.8–3.0 eV/molecule or ~11.1–11.9 kJ/L are amongst the best performance to date considering the current state-of-the-art for plasma-based DRM for all types of plasma. The conversion is in the range of ~46–49% and ~55–67% for CO2 and CH4, respectively, producing primarily syngas (i.e., H2 and CO) with H2/CO ratios of ~0.6–1 at CH4 fractions ranging from 30% to 45%. Water is the largest byproduct with levels ranging ~7–14% in the exhaust. Carbon particles visibly impact the plasma at higher CH4 fractions (> 30%), where they become heated and incandescent. Particle luminosity increases with increasing CH4 fractions, with the plasma becoming unstable near a 1:1 mixture (i.e., > 45% CH4). Electron microscopy of the carbon material reveals an agglomerated morphology of pure carbon nanoparticles. The mean particle size is determined as ~20 nm, free of any metal contamination, consistent with the electrode-less MW design.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT); Laboratory of adsorption and catalysis (LADCA); Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Impact Factor: 7.7
Times cited: 6
DOI: 10.1016/j.jcou.2023.102564
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“Microwave-assisted bromination of double-walled carbon nanotubes”. Colomer J-F, Marega R, Traboulsi H, Meneghetti M, Van Tendeloo G, Bonifazi D, Chemistry of materials 21, 4747 (2009). http://doi.org/10.1021/cm902029m
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 9.466
Times cited: 46
DOI: 10.1021/cm902029m
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“Microwave-assisted synthesis of mesoporous titania with increased crystallinity, specific surface area, and photocatalytic activity”. Meire M, Verbruggen SW, Lenaerts S, Lommens P, Van Der Voort P, Van Driessche I, Journal of materials science 51, 9822 (2016). http://doi.org/10.1007/S10853-016-0215-Y
Abstract: Mesoporous titanium dioxide is a material finding its use in a wide range of applications. For many of these, it is important to achieve a high degree of crystallinity in the material. It is generally accepted that the use of the soft templating approach to synthesize mesoporous titania, results in a compromise between crystallinity and specific surface area due to thermal instability of the used templates. In this paper, we explore how the use of microwave irradiation can influence the crystallinity, specific surface area, and the electronic properties of mesoporous titania. Therefore, we combined microwave radiation with an evaporation-induced self-assembly (EISA) synthesis. We show that additional microwave treatment at carefully chosen synthesis steps can enhance the crystallinity with 20 % without causing significant loss of surface area (>360 m2/g). Surface photovoltage measurements were used to investigate the electronic properties. The photocatalytic activity of the samples was evaluated in aqueous media by following the degradation of an industrial dye, methylene blue, and the herbicide isoproturon under UV irradiation and in gaseous media looking at the degradation of acetaldehyde, a common indoor pollutant under UVA irradiation. In all cases, the microwave treatment results in more active materials.
Keywords: A1 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Impact Factor: 2.599
Times cited: 8
DOI: 10.1007/S10853-016-0215-Y
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“Mineral dust variability in central West Antarctica associated with ozone depletion”. Cataldo M, Evangelista H, Simões JC, Godoi RHM, Simmonds I, Hollanda MH, Wainer I, Aquino F, Van Grieken R, Atmospheric chemistry and physics 13, 2165 (2013). http://doi.org/10.5194/ACP-13-2165-2013
Abstract: We present here data of mineral dust variability retrieved from an ice core of the central West Antarctic, spanning the last five decades. Main evidence provided by the geochemical analysis is that northerly air mass incursions to the coring site, tracked by insoluble dust microparticles, have declined over the past 50 yr. This result contrasts with dust records from ice cores reported to the coastal West Antarctic that show increases since mid-20th century. We attribute this difference to regional climatic changes due to the ozone depletion and its implications to westerly winds. We found that the diameters of insoluble microparticles in the central West Antarctica ice core are significantly correlated with cyclone depth (energy) and wind intensity around Antarctica.
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.5194/ACP-13-2165-2013
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“Mineral dust variability in central West Antarctica associated with ozone depletion”. Cataldo, Evangelista H, Simões JC, Godoi RHM, Simmonds I, Hollanda MH, Wainer I, Aquino FE, Van Grieken R, Atmospheric chemistry and physics discussions 12, 12685 (2012). http://doi.org/10.5194/ACPD-12-12685-2012
Abstract: Here we show that mineral dust retrieved from an ice core in the central West Antarctic sector, spanning the last five decades, provides evidence that northerly air mass incursions into Antarctica, tracked by dust microparticles, have slightly declined. This result contrasts with dust in ice core records reported in West/coastal Antarctica, which show significant increases to the present day. We attribute that difference, in part, to changes in the regional climate regime triggered by the ozone depletion and its consequences for the polar vortex intensity. The vortex maintains the Antarctic central region relatively isolated from mid-latitude air mass incursions with implications to the intensification of the Westerlies and to a persistent positive phase of the Southern Annular Mode. We also show that variability of the diameter of insoluble microparticles in central West Antarctica can be modeled by linear/quadratic functions of both cyclone depth (energy) and wind intensity around Antarctica.
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.5194/ACPD-12-12685-2012
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“Mini-band dispersion, critical points, and impurity bands in superlattices: an infrared absorption study”. Helm M, Hilber W, Fromherz T, Peeters FM, Alavi K, Pathak RN, Solid state electronics 37, 1277 (1994). http://doi.org/10.1016/0038-1101(94)90407-3
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.504
Times cited: 2
DOI: 10.1016/0038-1101(94)90407-3
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“Mini-gaps and novel giant negative magnetoresistance in InAs/GaSb semimetallic superlattice”. Lakrimi M, Khym S, Symons DM, Nicholas RJ, Peeters FM, Mason NJ, Walker PJ, Physica. E: Low-dimensional systems and nanostructures 2, 363 (1998). http://doi.org/10.1016/S1386-9477(98)00076-9
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 2.221
Times cited: 1
DOI: 10.1016/S1386-9477(98)00076-9
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“Mini-gaps and novel giant negative magnetoresistance in InAs/GaSb semimetallic superlattices”. Lakrimi M, Khym S, Nicholas RJ, Symons DM, Peeters FM, Mason NJ, Walker PJ, Physical review letters 79, 3034 (1997)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 8.462
Times cited: 66
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“Minibands and Wannier-Strak ladders in semiconductor superlattices studied by infrared spectroscopy”. Helm M, Hilber W, Strasser G, de Meester R, Peeters FM, Brazilian journal of physics 29, 652 (1999)
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 0.732
Times cited: 6
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“Minigaps and the quantum Hall effect in broken gap InAs/GaSb heterostructures”. Nicholas RJ, Lakrimi M, Khym SW, Mason NJ, Poulter AJL, Vaughan T, Walker PJ, Maude DK, Portal JC, Symons DM, Peeters FM, Physica: B : condensed matter 256/258, 207 (1998). http://doi.org/10.1016/S0921-4526(98)00579-1
Keywords: A1 Journal article; Condensed Matter Theory (CMT)
Impact Factor: 1.386
Times cited: 3
DOI: 10.1016/S0921-4526(98)00579-1
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“Minimizing recalcitrant organics and maximizing nitrogen removal linked to advanced biosolids processing at Blue Plains WWTP”. Zhang Q, Higgins MJ, Vlaeminck SE, DeBarbadillo C, Suzuki R, Kharkar SM, Al-Omari A, Wett B, Chandran K, Murthy S, De Clippeleir H, , 12 p.
T2 (2017)
Keywords: P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
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“Minimum requirements for reporting analytical data for environmental samples”. Egli H, Dassenakis M, Garelick H, Van Grieken R, Peijnenburg WJGM, Klasinc L, Kördel W, Priest N, Tavares T, Pure and applied chemistry 75, 1097 (2003). http://doi.org/10.1351/PAC200375081097
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1351/PAC200375081097
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