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Author Koleleni, Y.I.A.; Van Grieken, R.
  Title Analysis of biological materials from Tanzania by total reflection X-ray fluorescence (TXRF) analysis Type (down) A3 Journal article
  Year 1990 Publication Tanzania journal of science Abbreviated Journal
  Volume 16 Issue Pages 143-157
  Keywords A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:116934 Serial 7442
Permanent link to this record
 
 
Author Verbueken, A.H.; van de Vijver, F.L.; de Broe, M.E.; Van Grieken, R.E.
  Title Applications of laser microprobe mass analysis in medicine Type (down) A3 Journal article
  Year 1987 Publication CRC critical reviews in clinical laboratory sciences Abbreviated Journal
  Volume 24 Issue Pages 263-285
  Keywords A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0590-8191 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:116775 Serial 7485
Permanent link to this record
 
 
Author Godoi, R.H.M.; Godoi, A.F.L.; Andrade, S.J.; Santiago-Silva, M.; de Hoog, J.; Worobiec, A.; Van Grieken, R.
  Title Assessment of atmospheric particles emitted from sugar cane burning in Southeast Brazil Type (down) A3 Journal article
  Year 2003 Publication Journal od aerosol science Abbreviated Journal
  Volume Issue Pages S749-S750
  Keywords A3 Journal article; Laboratory Experimental Medicine and Pediatrics (LEMP); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:45364 Serial 7502
Permanent link to this record
 
 
Author Düking, R.; Gielis, J.; Liese, W.
  Title Carbon flux and carbon stock in a bamboo stand and their relevance for mitigating climate change Type (down) A3 Journal article
  Year 2011 Publication Bamboo Science & Culture Abbreviated Journal
  Volume 24 Issue 1 Pages 1-6
  Keywords A3 Journal article; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract In this report we describe the basics of biological carbon fixation in bamboo forests. Confusing carbon stock with carbon flux has led to false expectations on the significance of bamboo forests as carbon sinks. Furthermore, misunderstandings about the growth of bamboo culms can lead to highly exaggerated expectations on the productivity of bamboo.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1535-7635 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:91091 Serial 7578
Permanent link to this record
 
 
Author Annegarn, H.J.; Storms, H.; Van Grieken, R.E.; Booth-Jones, P.A.
  Title Composition and size of individual particles from a gold mine atmosphere Type (down) A3 Journal article
  Year 1987 Publication Mining science & technology Abbreviated Journal
  Volume 5 Issue 2 Pages 111-119
  Keywords A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
  Abstract Airborne dust particles were collected in a return airway of a South African gold mine using a 7-stage, single-orifice cascade impactor. Between 70 and 130 individual particles were analysed on each stage using automated electron-probe x-ray microanalysis (EPXMA). Particle size and shape parameters are given for different classes of particles sorted by elemental composition. Silicon-rich particles are the most abundant overall, while chlorine-rich particles dominate (up to 80%) in the range 0.21.0 μm. It is shown that EPXMA characterisation of particles can be used to infer relative contributions of various particle sources and dust generating processes to the total dust concentrations in mine atmospheres. An understanding of the nature and source of particles is essential for any source control strategy. We conclude that the EPXMA technique merits inclusion in the repertoire of techniques used for characterising underground dust.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date 2004-12-15
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0167-9031 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:116777 Serial 7701
Permanent link to this record
 
 
Author Mary Joy, R.; Pobedinskas, P.; Bourgeois, E.; Chakraborty, T.; Görlitz, J.; Herrmann, D.; Noël, C.; Heupel, J.; Jannis, D.; Gauquelin, N.; D'Haen, J.; Verbeeck, J.; Popov, C.; Houssiau, L.; Becher, C.; Nesládek, M.; Haenen, K.
  Title Germanium vacancy centre formation in CVD nanocrystalline diamond using a solid dopant source Type (down) A3 Journal article
  Year 2023 Publication Science talks Abbreviated Journal Science Talks
  Volume 5 Issue Pages 100157
  Keywords A3 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date 2023-02-09
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 2772-5693 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access OpenAccess
  Notes Approved Most recent IF: NA
  Call Number EMAT @ emat @c:irua:196969 Serial 8791
Permanent link to this record
 
 
Author Van Eynde, E.; Tytgat, T.; Smits, M.; Verbruggen, S.; Hauchecorne, B.; Blust, R.; Lenaerts, S.
  Title Diatom silica-titania materials for photocatalytic air purification Type (down) A2 Journal article
  Year 2013 Publication Communications in agricultural and applied biological sciences Abbreviated Journal
  Volume 1 Issue 1 Pages 141-147
  Keywords A2 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1379-1176 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved Most recent IF: NA
  Call Number UA @ admin @ c:irua:105334 Serial 5943
Permanent link to this record
 
 
Author Smits, M.; Vanpachtenbeke, F.; Hauchecorne, B.; van Langenhove, H.; Demeestere, K.; Lenaerts, S.
  Title Exhaust composition of a small diesel engine Type (down) A2 Journal article
  Year 2012 Publication Communications in agricultural and applied biological sciences Abbreviated Journal
  Volume 77 Issue 1 Pages 85-88
  Keywords A2 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1379-1176 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved Most recent IF: NA
  Call Number UA @ admin @ c:irua:94166 Serial 5949
Permanent link to this record
 
 
Author Van Wesenbeeck, K.; Hauchecorne, B.; Lenaerts, S.
  Title Study of a TiO2 photocatalytic coating for use in plasma catalysis Type (down) A2 Journal article
  Year 2013 Publication Communications in agricultural and applied biological sciences Abbreviated Journal
  Volume 78 Issue 1 Pages 227-233
  Keywords A2 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1379-1176 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved Most recent IF: NA
  Call Number UA @ admin @ c:irua:105388 Serial 5991
Permanent link to this record
 
 
Author Gielis, J.; Tavkhelidze, I.; Ricci, P.E.
  Title About “bulky” links generated by generalized Möbius-Listing bodies GML2n Type (down) A2 Journal article
  Year 2013 Publication Journal of mathematical sciences Abbreviated Journal
  Volume 193 Issue 3 Pages 449-460
  Keywords A2 Journal article; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract In this paper, we consider the bulky knots and bulky links, which appear after cutting of a Generalized MöbiusListing GMLn2 body (with the radial cross section a convex plane 2-symmetric figure with two vertices) along a different Generalized MöbiusListing surfaces GMLn2 situated in it. The aim of this report is to investigate the number and geometric structure of the independent objects that appear after such a cutting process of GMLn2 bodies. In most cases we are able to count the indices of the resulting mathematical objects according to the known classification for the standard knots and links.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date 2013-08-03
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1072-3374; 1573-8795 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:110953 Serial 7404
Permanent link to this record
 
 
Author Ilgrande, C.; Christiaens, M.; Clauwaert, P.; Vlaeminck, S.E.; Boon, N.
  Title Can nitrification bring us to Mars? The role of microbial interactions on nitrogen recovery in Life Support Systems Type (down) A2 Journal article
  Year 2016 Publication Communications in agricultural and applied biological sciences Abbreviated Journal
  Volume 81 Issue 1 Pages 74-79
  Keywords A2 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract The development cost-effective life support technologies is a highly relevant topic for space biology. Currently, food and water supply during space flights is currently restricted by technical and economic constraints: daily water consumption of an average crew of 6 members is about 72 L, with an estimated cost of 2,160,000 d-1. To reduce these costs and sustain long term space missions, the European Space Agency designed MELiSSA, an artificial ecosystem based on 5 compartments for the recycling gas, liquid and solid waste (Lasseur et al., 2011). In the CI stage, crew and inedible solid waste is fermented by thermophilic anaerobic bacteria, producing volatile fatty acids (VFAs), CO2 and ammonium (NH4+). In the CII compartment the VFAs are converted into edible biomass, using the photoheterotroph Rodospirillum rubrum. Afterwards, the nitrifying CIII unit converts toxic levels of ammonia/ammonium into nitrate, which enables the effluent to be fed to the photoautotrohopic CIV stage, that provides food and oxygen for the crew (Godia et al., 2002). The highest nitrogen flux in a Life Support System is human urine. As nitrate is the preferred form of nitrogen fertilizer for hydroponic plant cultivation, urine nitrification is an essential process in the MELiSSA loop. The development of the Additional Unit for Water Treatment or Urine NItrification ConsortiUM (UNICUM) requires the selection and characterization of the microorganisms that will be used. The key microorganisms in the biological treatment of urine are heterotrophs, for the hydrolysis of urea into ammonia and carbon dioxide, Ammonia Oxidizing Bacteria (AOB), for the ammonia oxidation into nitrite and Nitrite Oxidizing Bacteria (NOB), for the conversion of nitrite into nitrate. The strains were selected according to predefined safety (non sporogenic and BSL 1) and metabolic (Ks, μmax) criteria. To evaluate functional consortia for space applications, ureolysis, nitritation and nitratation of the selected microorganisms and synthetic communities were elucidated. Additionally, urine is a matrix with a high salt content. Unhydrolised urine's EC ranges from 1.1 to 33.9 mS/cm, the mean value being 21.5 mS/cm (Marickar, 2010), while hydrolysed urine can reach higher levels, up to 75 mS/cm. This conditions could inhibit microbial metabolism, therefore the effect of salinity on urine nitrification was also elucidated.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1379-1176 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:151151 Serial 7573
Permanent link to this record
 
 
Author Sui, Y.; Vlaeminck, S.E.
  Title Exploring Dunaliella salina as single cell protein (SCP) : the influence of light/dark regime on the growth and protein synthesis Type (down) A2 Journal article
  Year 2017 Publication Communications in agricultural and applied biological sciences Abbreviated Journal
  Volume 82 Issue 1 Pages 6-11
  Keywords A2 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract Single cell protein (SCP), or originally named microbial protein, is the edible microbial biomass derived from e.g. microalgae, bacteria and fungi, which can be used as protein sources replacing conventional protein sources for animal feed or human food such as fishmeal and soybean (Anupama & Ravindra 2000). SCP presents great potential as protein supplement to alleviate the problem of food scarcity in the future (Nasseri et al. 2011). In general, microalgae as SCP contains above 50% protein over dry weight and specifically for the marine microalgae Dunaliella salina the amount stays around 57% (Becker 2007). Commercially the most common system for Dunaliella sp. production is the outdoor open pond, thus the microalgal cells are subjected to a natural light/dark cycle (Hosseini Tafreshi & Shariati 2009). Being photo-autotrophic microorganisms, the lack of light energy sources is a risk leading to night biomass loss (Ogbonna & Tanaka 1996). On the other hand, for some microalgae species cell division occurs primarily during the night suggesting its night protein synthesis (Cuhel et al. 1984). As a consequence, day and night metabolisms of microalgae introduced by light/dark cycles potentially will have big impacts on the biomass development, both in growth and biochemical composition. In this study, the effect of the light/dark cycle on the growth and protein synthesis of Dunaliella salina was explored in comparison with continuous light cultivation.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1379-1176 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:151148 Serial 7950
Permanent link to this record
 
 
Author Grunert, O.; Robles Aguilar, A.A.; Hernandez-Sanabria, E.; Reheul, D.; Vlaeminck, S.E.; Boon, N.; Jablonowski, N.D.
  Title Fertilizer type influences dynamics of the microbial community structure in the rhizosphere of tomato and impact the nutrient turnover and plant performance Type (down) A2 Journal article
  Year 2016 Publication Communications in agricultural and applied biological sciences Abbreviated Journal
  Volume 81 Issue 1 Pages 67-73
  Keywords A2 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract Ammonia-oxidizing microorganisms (AOB and AOA) and nitrite oxidizing bacteria (NOB) are the most important organisms responsible for ammonia and nitrite oxidation in agricultural ecosystems and growing media. Ammonia and nitrite oxidation are critical steps in the soil nitrogen cycle and can be affected by the application of mineral fertilizers or organic fertilizers. The functionality of the microbial community has a major impact on the nutrient turnover and will finally influence plant performance. The microbial community associated with the growing medium and its functionality will also be influenced by the rhizosphere and the bulk soil. In our study, we used a tomato plant with a high root exudation capacity in order to stimulate microbial activity. We studied plant performance in rhizotrons (a phentotyping system for imaging roots), including an optical method (planar optodes) for non-invasive, quantitative and high-resolution imaging of pH dynamics in the rhizosphere and adjacent medium. The horticultural growing medium was supplemented with organic-derived nitrogen or ammonium derived from struvite. The possible differences in the root structure between treatments is compared with the total root length. Destructive growing medium sampling and high throughput sequencing analysis of the bacterial abundance of the communities present in the rhizosphere and the bulk soil is used to study the growing medium-associated microbial community structure and functionality, and this will be related to pH changes in the rhizosphere and the bulk soil. Our hypothesis is that the growing medium-associated microbial community structure changes depending on the nitrogen form provided and we expect a higher abundance of bacteria in the treatment with organic fertilizer and a higher abundance of AOB and NOB in the rhizosphere in comparison to the bulk soil.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1379-1176 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:151149 Serial 7964
Permanent link to this record
 
 
Author Muys, M.; Derese, S.; Verliefde, A.; Vlaeminck, S.E.
  Title Solubilization of struvite as a sustainable nutrient source for single cell protein production Type (down) A2 Journal article
  Year 2016 Publication Communications in agricultural and applied biological sciences Abbreviated Journal
  Volume 81 Issue 1 Pages 179-184
  Keywords A2 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract By 2050, the world population will have considerably expanded and the life standard of many will increase, yielding a 50% higher demand in protein (FAO, 2011), and even increases of 82 and 102% for diary and meat products, respectively (Boland et al., 2013). To provide in this increasing demand we are highly dependent on our classical fertilizer to food chain which has a high environmental impact and lacks efficiency. Nutrient losses cause eutrophication and biodiversity loss and the input of resources is already beyond the boundaries of environmental sustainability (Steffen et al., 2015). Phosphate fertilizers are made from phosphate rock (apatite), of which the reserves are predicted to be depleted within 50 100 years if we continue business as usual (Cordell et al., 2009). Next to problems related to the unbalanced geopolitical distribution with dominance in China and Morocco, the decreasing quality of the remaining apatite will result in an increasing environmental impact of fertilizer production. Finally, our traditional food production model requires 30% of all ice-free land, 70% of all available freshwater and produces up to one third of the global greenhouse gas emission, of which 80 to 86% is linked to agricultural production (Vermeulen et al., 2012). To ensure food security, nutrient recovery from waste streams can provide an important strategy. In this context, struvite ( ) crystallisation may be applied to recover phosphorus, along with some nitrogen. Reusing these nutrients as agricultural fertilizer on the field will lead to considerable losses to the environment. In contrast, their use to cultivate micro-organisms, e.g. for single cell protein (SCP), offers to potential of a near perfect conversion efficiency (Moed et al., 2015). At this moment, microalgae represent the most developed type of SCP, and are a promising protein source due to their growth rate, high nutritional quality and extremely high nutrient usage efficiency (Becker, 2007). Reliable solubilisation data are essential to design a technological strategy for struvite dosage in bioreactors for SCP production. The effect on solubility and solubilisation rate of relevant physicochemical parameters was studied experimentally in aqueous solutions. Because pH and temperature greatly affect solubilisation kinetics they were set at a constant value of 7 and 20°C respectively. The effect of some parameters on struvite solubility was already studied (Bhuiyan et al., 2007; Ariyanto et al., 2014; Roncal-Herrero and Oelkers, 2011), but solubilisation rates were not yet considered and pH was not controlled at a constant value. The chemical parameters considered in this study include the concentration of different common ions ( and ), foreign ions ( and the chelating agent ethylenediaminetetraacetic acid, EDTA) present in micro-algal cultivation media as well as ionic strength (as set by NaCl). The main physical parameter included was contact surface, through variation in initial particle size and as well as in struvite dosage concentration.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1379-1176 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:151150 Serial 8550
Permanent link to this record
 
 
Author Caratelli, D.; Gielis, J.; Ricci, P.E.; Tavkhelidze, I.
  Title Some properties of “bulky” links, generated by Generalized Möbius Listing's bodies GML4n Type (down) A2 Journal article
  Year 2016 Publication Journal of mathematical sciences Abbreviated Journal
  Volume 216 Issue 4 Pages 509-518
  Keywords A2 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
  Abstract In the present paper, we consider the bulky knots and bulky links that appear after cutting of generalized MöbiusListing GML 4 n bodies (with corresponding radial cross sections square) along different generalized MöbiusListing surfaces GML 2 n situated in it. The aim of this article is to examine the number and geometric structure of independent objects that appear after such a cutting process of GML 4 n bodies. In most cases, we are able to count the indices of the resulting mathematical objects according to the known tabulation for knots and links of small complexity.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date 2016-06-10
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1072-3374; 1573-8795 ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ admin @ c:irua:133948 Serial 8554
Permanent link to this record
 
 
Author Van Hoecke, L.; Laffineur, L.; Campe, R.; Perreault, P.; Verbruggen, S.W.; Lenaerts, S.
  Title Challenges in the use of hydrogen for maritime applications Type (down) A1 Journal Article;Review article, Hydrogen Production, Hydrogen Storage, Maritime Applications
  Year 2021 Publication Energy & Environmental Science Abbreviated Journal Energ Environ Sci
  Volume Issue Pages
  Keywords A1 Journal Article;Review article, Hydrogen Production, Hydrogen Storage, Maritime Applications; Sustainable energy, air and water technology (DuEL)
  Abstract Maritime shipping is a key factor that enables the global economy, however the pressure it exerts on the environment is increasing rapidly. In order to reduce the emissions of harmful greenhouse gasses, the search is on for alternative fuels for the maritime shipping industry. In this work the usefulness of hydrogen and hydrogen carriers is being investigated as a fuel for sea going ships. Due to the low volumetric energy density of hydrogen under standard conditions, the need for efficient storage of this fuel is high. Key processes in the use of hydrogen are discussed, starting with the production of hydrogen from fossil and renewable sources. The focus of this review is different storage methods, and in this work we discuss the storage of hydrogen at high pressure, in liquefied form at cryogenic temperatures and bound to liquid or solid-state carriers. In this work a theoretical introduction to different hydrogen storage methods precedes an analysis of the energy-efficiency and practical storage density of the carriers. In the final section the major challenges and hurdles for the development of hydrogen storage for the maritime industry are discussed. The most likely challenges will be the development of a new bunkering infrastructure and suitable monitoring of the safety to ensure safe operation of these hydrogen carriers on board the ship.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos 000621101100009 Publication Date 2021-01-07
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1754-5692 ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 29.518 Times cited Open Access OpenAccess
  Notes For the completion of this work we would like to thank, Compagnie Maritime Belge for initial funding 9 of the research into maritime hydrogen storage and the University of Antwerp for funding of the 10 Doctoral Project that allowed for the completion of this work. Approved Most recent IF: 29.518
  Call Number DuEL @ duel @c:irua:174754 Serial 6668
Permanent link to this record
 
 
Author Bahnamiri, O.S.; Verheyen, C.; Snyders, R.; Bogaerts, A.; Britun, N.
  Title Nitrogen fixation in pulsed microwave discharge studied by infrared absorption combined with modelling Type (down) A1 Journal Article;nitrogen fixation
  Year 2021 Publication Plasma Sources Science & Technology Abbreviated Journal Plasma Sources Sci T
  Volume 30 Issue 6 Pages 065007
  Keywords A1 Journal Article;nitrogen fixation; pulsed microwave discharge; FTIR spectroscopy; discharge modelling; vibrational excitation; NO yield; energy cost; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ;
  Abstract A pulsed microwave surfaguide discharge operating at 2.45 GHz was used for the conversion of molecular nitrogen into valuable compounds in several gas mixtures: N2 :O2 , N2 :O2 :CO2 and N2 :CO2 . The ro-vibrational absorption bands of the molecular species were monitored by a Fourier transform infrared apparatus in the post-discharge region in order to evaluate the relative number density of species, specifically NO production. The effects of specific energy input, pulse frequency, gas flow fraction, gas admixture and gas flow rate were studied for better understanding and optimization of the NO production yield and the corresponding energy cost (EC). By both the experiment and modelling, a highest NO yield is obtained at N2 :O2 (1:1) gas ratio in N2 :O2 mixture. The NO yield reveals a small growth followed by saturation when pulse repetition frequency increases. The energy efficiency start decreasing after the energy input reaches about 5 eV/molec, whereas the NO yield rises steadily at the same time. The lowest EC of about 8 MJ mol−1 corresponding to the yield and the energy efficiency of about 7% and 1% are found, respectively, in an optimum discharge condition in our case.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos 000659671000001 Publication Date 2021-06-01
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0963-0252 ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 3.302 Times cited Open Access OpenAccess
  Notes Fonds De La Recherche Scientifique—FNRS, EOS O005118F ; The research is supported by the FNRS-FWO project ‘NITROPLASM’, EOS O005118F. O Samadi also acknowledges PhD student F Manaigo for cooperation in doing the additional measurements. Approved Most recent IF: 3.302
  Call Number PLASMANT @ plasmant @c:irua:179170 Serial 6798
Permanent link to this record
 
 
Author Kolev, S.; Bogaerts, A.
  Title A 2D model for a gliding arc discharge Type (down) 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 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 Cao, S.; Tirry, W.; van den Broek, W.; Schryvers, D.
  Title 3D reconstruction of Ni4Ti3 precipitates in a Ni51Ti49 alloy in a FIB/SEM dual-beam system Type (down) A1 Journal article
  Year 2008 Publication Materials science forum Abbreviated Journal
  Volume 583 Issue Pages 277-284
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT); Vision lab
  Abstract Ni4Ti3 precipitates play an important role in the shape memory and superelastic behaviour of thermo-mechanically treated Ni-Ti material. The 3D morphology and distribution of such precipitates with lenticular shape and rhombohedral atomic structure in the austenitic B2 matrix of a binary Ni-rich Ni-Ti alloy has been elucidated via a slice view procedure in a Dual-Beam FIB/SEM system. With the sequence of cross-section SE images obtained from the SEM, a 3D reconstruction has been achieved after proper alignment and image processing, from which both qualitative and quantitative analysis can be performed. Careful imaging is needed to ensure that all variants of the precipitates are observed with equal probability, regardless sample orientation. Moreover, due to the weak contrast of the precipitates, proper imaging conditions need to be selected to allow for semi-automated image treatment. Finally, a volume ratio of 10.2% for the Ni4Ti3 precipitates could be calculated, summed over all variants, which yields a net composition of Ni50.36Ti49.64 for the matrix, leading to an increase of 113 degrees for the martensitic start temperature Ms. Also, the expected relative orientation of the different variants of the precipitates could be confirmed. In the near future, other quantitative measures on the distribution of the precipitates can be expected.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Lausanne Editor
  Language Wos Publication Date 2009-03-11
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1662-9752; ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Multimat; Fwo Approved Most recent IF: NA
  Call Number UA @ lucian @ c:irua:77454 Serial 16
Permanent link to this record
 
 
Author Turner, S.; Shenderova, O.; da Pieve, F.; Lu, Y.-G.; Yücelen, E.; Verbeeck, J.; Lamoen, D.; Van Tendeloo, G.
  Title Aberration-corrected microscopy and spectroscopy analysis of pristine, nitrogen containing detonation nanodiamond Type (down) A1 Journal article
  Year 2013 Publication Physica status solidi : A : applications and materials science Abbreviated Journal Phys Status Solidi A
  Volume 210 Issue 10 Pages 1976-1984
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract Aberration-corrected transmission electron microscopy, electron energy-loss spectroscopy, and density functional theory (DFT) calculations are used to solve several key questions about the surface structure, the particle morphology, and the distribution and nature of nitrogen impurities in detonation nanodiamond (DND) cleaned by a recently developed ozone treatment. All microscopy and spectroscopy measurements are performed at a lowered acceleration voltage (80/120kV), allowing prolonged and detailed experiments to be carried out while minimizing the risk of knock-on damage or surface graphitization of the nanodiamond. High-resolution TEM (HRTEM) demonstrates the stability of even the smallest nanodiamonds under electron illumination at low voltage and is used to image the surface structure of pristine DND. High resolution electron energy-loss spectroscopy (EELS) measurements on the fine structure of the carbon K-edge of nanodiamond demonstrate that the typical * pre-peak in fact consists of three sub-peaks that arise from the presence of, amongst others, minimal fullerene-like reconstructions at the nanoparticle surfaces and deviations from perfect sp(3) coordination at defects in the nanodiamonds. Spatially resolved EELS experiments evidence the presence of nitrogen within the core of DND particles. The nitrogen is present throughout the whole diamond core, and can be enriched at defect regions. By comparing the fine structure of the experimental nitrogen K-edge with calculated energy-loss near-edge structure (ELNES) spectra from DFT, the embedded nitrogen is most likely related to small amounts of single substitutional and/or A-center nitrogen, combined with larger nitrogen clusters.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos 000329299700025 Publication Date 2013-10-18
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1862-6300; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.775 Times cited 37 Open Access
  Notes 262348 ESMI; 246791 COUNTATOMS; FWO; Hercules; GOA XANES meets ELNES Approved Most recent IF: 1.775; 2013 IF: 1.525
  Call Number UA @ lucian @ c:irua:110821UA @ admin @ c:irua:110821 Serial 41
Permanent link to this record
 
 
Author Dubourdieu, C.; Rauwel, E.; Roussel, H.; Ducroquet, F.; Hollaender, B.; Rossell, M.; Van Tendeloo, G.; Lhostis, S.; Rushworth, S.
  Title Addition of yttrium into HfO2 films: microstructure and electrical properties Type (down) A1 Journal article
  Year 2009 Publication Journal of vacuum science and technology: A: vacuum surfaces and films Abbreviated Journal J Vac Sci Technol A
  Volume 27 Issue 3 Pages 503-514
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract The cubic phase of HfO2 was stabilized by addition of yttrium in thin films grown on Si/SiO2 by metal-organic chemical vapor deposition. The cubic phase was obtained for contents of 6.5 at. % Y or higher at a temperature as low as 470 °C. The complete compositional range (from 1.5 to 99.5 at. % Y) was investigated. The crystalline structure of HfO2 was determined from x-ray diffraction, electron diffraction, and attenuated total-reflection infrared spectroscopy. For cubic films, the continuous increase in the lattice parameter indicates the formation of a solid-solution HfO2Y2O3. As shown by x-ray photoelectron spectroscopy, yttrium silicate is formed at the interface with silicon; the interfacial layer thickness increases with increasing yttrium content and increasing film thickness. The dependence of the intrinsic relative permittivity r as a function of Y content was determined. It exhibits a maximum of ~30 for ~8.8 at. % Y. The cubic phase is stable upon postdeposition high-temperature annealing at 900 °C under NH3.
  Address
  Corporate Author Thesis
  Publisher Place of Publication New York, N.Y. Editor
  Language Wos 000265739100016 Publication Date 2009-05-02
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0734-2101; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.374 Times cited 29 Open Access
  Notes Approved Most recent IF: 1.374; 2009 IF: 1.297
  Call Number UA @ lucian @ c:irua:77054 Serial 58
Permanent link to this record
 
 
Author Schryvers, D.; Cao, S.; Tirry, W.; Idrissi, H.; Van Aert, S.
  Title Advanced three-dimensional electron microscopy techniques in the quest for better structural and functional materials Type (down) A1 Journal article
  Year 2013 Publication Science and technology of advanced materials Abbreviated Journal Sci Technol Adv Mat
  Volume 14 Issue 1 Pages 014206-14213
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract After a short review of electron tomography techniques for materials science, this overview will cover some recent results on different shape memory and nanostructured metallic systems obtained by various three-dimensional (3D) electron imaging techniques. In binary NiTi, the 3D morphology and distribution of Ni4Ti3 precipitates are investigated by using FIB/SEM slice-and-view yielding 3D data stacks. Different quantification techniques will be presented including the principal ellipsoid for a given precipitate, shape classification following a Zingg scheme, particle distribution function, distance transform and water penetration. The latter is a novel approach to quantifying the expected matrix transformation in between the precipitates. The different samples investigated include a single crystal annealed with and without compression yielding layered and autocatalytic precipitation, respectively, and a polycrystal revealing different densities and sizes of the precipitates resulting in a multistage transformation process. Electron tomography was used to understand the interaction between focused ion beam-induced Frank loops and long dislocation structures in nanobeams of Al exhibiting special mechanical behaviour measured by on-chip deposition. Atomic resolution electron tomography is demonstrated on Ag nanoparticles in an Al matrix.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Sendai Editor
  Language Wos 000316463800008 Publication Date 2013-03-13
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1468-6996;1878-5514; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 3.798 Times cited 6 Open Access
  Notes Fwo; Iap; Esteem Approved Most recent IF: 3.798; 2013 IF: 2.613
  Call Number UA @ lucian @ c:irua:107343 Serial 77
Permanent link to this record
 
 
Author van Cleempoel, A.; Joutsensaari, J.; Kauppinen, E.; Gijbels, R.; Claeys, M.
  Title Aerosol synthesis and characterization of ultrafine fullerene particles Type (down) A1 Journal article
  Year 1998 Publication Fullerene science and technology Abbreviated Journal Fullerene Sci Techn
  Volume 6 Issue 4 Pages 599-627
  Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication New York Editor
  Language Wos 000074859200001 Publication Date 2008-04-23
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1064-122X; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor Times cited 3 Open Access
  Notes Approved Most recent IF: NA
  Call Number UA @ lucian @ c:irua:24038 Serial 78
Permanent link to this record
 
 
Author Geuens, I.; Gijbels, R.; Jacob, W.A.; Verbeeck, A.; de Keyzer, R.
  Title Analysis of silver halide microcrystals using different modes of a scanning transmission electron microscope and digital image processing Type (down) A1 Journal article
  Year 1992 Publication The journal of imaging science and technology Abbreviated Journal J Imaging Sci Techn
  Volume 36 Issue 6 Pages 534-539
  Keywords A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Springfield, Va Editor
  Language Wos A1992KE66100006 Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1062-3701 ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 0.349 Times cited 10 Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:3732 Serial 104
Permanent link to this record
 
 
Author Schryvers, D.; Potapov, P.; Santamarta, R.; Tirry, W.
  Title Applications of advanced transmission electron microscopic techniques to Ni-Ti based shape memory materials Type (down) A1 Journal article
  Year 2004 Publication Materials science and engineering: part A: structural materials: properties, microstructure and processing Abbreviated Journal Mat Sci Eng A-Struct
  Volume 378 Issue 1/2 Pages 11-15
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Lausanne Editor
  Language Wos 000223329900003 Publication Date 2004-03-23
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0921-5093; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 3.094 Times cited 6 Open Access
  Notes Approved Most recent IF: 3.094; 2004 IF: 1.445
  Call Number UA @ lucian @ c:irua:48783 Serial 145
Permanent link to this record
 
 
Author Molina, L.; Tan, H.; Biermans, E.; Batenburg, K.J.; Verbeeck, J.; Bals, S.; Van Tendeloo, G.
  Title Barrier efficiency of sponge-like La2Zr2O7 buffer layers for YBCO-coated conductors Type (down) A1 Journal article
  Year 2011 Publication Superconductor science and technology Abbreviated Journal Supercond Sci Tech
  Volume 24 Issue 6 Pages 065019-065019,8
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT); Vision lab
  Abstract Solution derived La2Zr2O7 films have drawn much attention for potential applications as thermal barriers or low-cost buffer layers for coated conductor technology. Annealing and coating parameters strongly affect the microstructure of La2Zr2O7, but different film processing methods can yield similar microstructural features such as nanovoids and nanometer-sized La2Zr2O7 grains. Nanoporosity is a typical feature found in such films and the implications for the functionality of the films are investigated by a combination of scanning transmission electron microscopy (STEM), electron energy-loss spectroscopy (EELS) and quantitative electron tomography. Chemical solution based La2Zr2O7 films deposited on flexible Ni5 at.%W substrates with a {100}lang001rang biaxial texture were prepared for an in-depth characterization. A sponge-like structure composed of nanometer-sized voids is revealed by high-angle annular dark-field scanning transmission electron microscopy in combination with electron tomography. A three-dimensional quantification of nanovoids in the La2Zr2O7 film is obtained on a local scale. Mostly non-interconnected highly faceted nanovoids compromise more than one-fifth of the investigated sample volume. The diffusion barrier efficiency of a 170 nm thick La2Zr2O7 film is investigated by STEM-EELS, yielding a 1.8 ± 0.2 nm oxide layer beyond which no significant nickel diffusion can be detected and intermixing is observed. This is of particular significance for the functionality of YBa2Cu3O7 − δ coated conductor architectures based on solution derived La2Zr2O7 films as diffusion barriers.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Bristol Editor
  Language Wos 000290472900021 Publication Date 2011-04-20
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0953-2048;1361-6668; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.878 Times cited 31 Open Access
  Notes Esteem 026019; Fwo Approved Most recent IF: 2.878; 2011 IF: 2.662
  Call Number UA @ lucian @ c:irua:88639UA @ admin @ c:irua:88639 Serial 221
Permanent link to this record
 
 
Author Khalil-Allafi, J.; Amin-Ahmadi, B.; Zare, M.
  Title Biocompatibility and corrosion behavior of the shape memory NiTi alloy in the physiological environments simulated with body fluids for medical applications Type (down) A1 Journal article
  Year 2010 Publication Materials science and engineering: part C: biomimetic materials Abbreviated Journal Mat Sci Eng C-Mater
  Volume 30 Issue 8 Pages 1112-1117
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract Due to unique properties of NiTi shape memory alloys such as high corrosion resistance, biocompatibility, super elasticity and shape memory behavior, NiTi shape memory alloys are suitable materials for medical applications. Although TiO2 passive layer in these alloys can prevent releasing of nickel to the environment, high nickel content and stability of passive layer in these alloys are very debatable subjects. In this study a NiTi shape memory alloy with nominal composition of 50.7 atom% Ni was investigated by corrosion tests. Electrochemical tests were performed in two physiological environments of Ringer solution and NaCl 0.9% solution. Results indicate that the breakdown potential of the NiTi alloy in NaCl 0.9% solution is higher than that in Ringer solution. The results of Scanning Electron Microscope (SEM) reveal that low pitting corrosion occurred in Ringer solution compared with NaCl solution at potentiostatic tests. The pH value of the solutions increases after the electrochemical tests. The existence of hydride products in the X-ray diffraction analysis confirms the decrease of the concentration of hydrogen ion in solutions. Topographical evaluations show that corrosion products are nearly same in all samples. The biocompatibility tests were performed by reaction of mouse fibroblast cells (L929). The growth and development of cells for different times were measured by numbering the cells or statistics investigations. The figures of cells for different times showed natural growth of cells. The different of the cell numbers between the test specimen and control specimen was negligible; therefore it may be concluded that the NiTi shape memory alloy is not toxic in the physiological environments simulated with body fluids.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Lausanne Editor
  Language Wos 000282905600006 Publication Date 2010-06-23
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0928-4931; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 4.164 Times cited 34 Open Access
  Notes Approved Most recent IF: 4.164; 2010 IF: 2.180
  Call Number UA @ lucian @ c:irua:122039 Serial 242
Permanent link to this record
 
 
Author Helm, M.; Hilber, W.; Fromherz, T.; Peeters, F.M.; Alavi, K.; Pathak, R.N.
  Title Bloch and localized electrons in semiconductor superlattices Type (down) A1 Journal article
  Year 1994 Publication Semiconductor science and technology Abbreviated Journal Semicond Sci Tech
  Volume 9 Issue Pages 1989-1993
  Keywords A1 Journal article; Condensed Matter Theory (CMT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication London Editor
  Language Wos A1994PT27100023 Publication Date 2002-08-25
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0268-1242;1361-6641; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.19 Times cited 1 Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:9370 Serial 244
Permanent link to this record
 
 
Author Maistrenko, Y.L.; Vasylenko, A.; Sudakov, O.; Levchenko, R.; Maistrenko, V.L.
  Title Cascades of multiheaded chimera states for coupled phase oscillators Type (down) A1 Journal article
  Year 2014 Publication International journal of bifurcation and chaos in applied sciences and engineering Abbreviated Journal Int J Bifurcat Chaos
  Volume 24 Issue 8 Pages 1440014
  Keywords A1 Journal article; Engineering sciences. Technology; Condensed Matter Theory (CMT)
  Abstract Chimera state is a recently discovered dynamical phenomenon in arrays of nonlocally coupled oscillators, that displays a self-organized spatial pattern of coexisting coherence and incoherence. We discuss the appearance of the chimera states in networks of phase oscillators with attractive and with repulsive interactions, i.e. when the coupling respectively favors synchronization or works against it. By systematically analyzing the dependence of the spatiotemporal dynamics on the level of coupling attractivity/repulsivity and the range of coupling, we uncover that different types of chimera states exist in wide domains of the parameter space as cascades of the states with increasing number of intervals of irregularity, so-called chimera's heads. We report three scenarios for the chimera birth: (1) via saddle-node bifurcation on a resonant invariant circle, also known as SNIC or SNIPER, (2) via blue-sky catastrophe, when two periodic orbits, stable and saddle, approach each other creating a saddle-node periodic orbit, and (3) via homoclinic transition with complex multistable dynamics including an “eight-like” limit cycle resulting eventually in a chimera state.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Singapore Editor
  Language Wos 000341494900015 Publication Date 2014-08-29
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0218-1274;1793-6551; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.329 Times cited Open Access
  Notes Approved Most recent IF: 1.329; 2014 IF: 1.078
  Call Number UA @ lucian @ c:irua:119303 Serial 285
Permanent link to this record
 
 
Author Biró, L.P.; Khanh, N.Q.; Vértesy, Z.; Horváth, Z.E.; Osváth, Z.; Koós, A.; Gyulai, J.; Kocsonya, A.; Kónya, Z.; Zhang, X.B.; Van Tendeloo, G.; Fonseca, A.; Nagy, J.B.;
  Title Catalyst traces and other impurities in chemically purified carbon nanotubes grown by CVD Type (down) A1 Journal article
  Year 2002 Publication Materials science and engineering: part C: biomimetic materials T2 – EMRS Spring Meeting, JUN 05-08, 2001, STRASBOURG, FRANCE Abbreviated Journal Mat Sci Eng C-Mater
  Volume 19 Issue 1-2 Pages 9-13
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract Multiwall carbon nanotubes grown by the catalytic decomposition of acetylene over supported Co catalyst were subjected to wet and dry oxidation in order to remove the unwanted products and the catalyst traces. The effects of the purification treatment on the Co content was monitored by physical methods: Rutherford Backscattering Spectrometry (RBS). Particle Induced X-Ray Emission (PIXE) and X-Ray Fluorescence (XRF). The purified products were investigated by microscopic methods: TEM. Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS) and STM. The KMnO4/H2SO4 aqueous oxidation procedure was found to be effective in reducing the Co content while damaging only moderately the outer wall of the nanotubes. Treatment in HNO3/H2SO4 yields a bucky-paper like product and produces the increase of the Si and S content of the sample. (C) 2002 Elsevier Science B.V. All rights reserved.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Lausanne Editor
  Language Wos 000173080700003 Publication Date 2002-07-25
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0928-4931; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 4.164 Times cited 36 Open Access
  Notes Approved Most recent IF: 4.164; 2002 IF: 0.734
  Call Number UA @ lucian @ c:irua:102835 Serial 289
Permanent link to this record
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