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“A microstructural study of the thermal stability of atomic layer deposited Al2O3 thin films”. Nistor LC, Richard O, Zhao O, Bender H, Stesmans A, Van Tendeloo G, Institute of physics conference series
T2 –, Microscopy of semiconducting materials , 397 (2003)
Abstract: The thermal stability of amorphous Al2O3 films (similar to8 and 80 nut thick) deposited by atomic layer deposition on HF-last and thin SiO2 covered (001) Si substrates is studied by transmission electron microscopy. The layers are in- and ex-situ annealed in the same temperature range.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
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“Microstructure and flux pinning properties of melt textured grown doped YBa2Cu3O7-\delta”. Monot I, Verbist K, Hervieu M, Laffez P, Delamare MP, Wang J, Desgardin G, Van Tendeloo G, Physica: C : superconductivity 274, 253 (1997)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 1.404
Times cited: 33
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“Microstructure and formation mechanisms of cylindrical and conical scrolls of the misfit layer compounds PbNbnS2n+1”. Bernaerts D, Amelinckx S, Van Tendeloo G, van Landuyt J, Journal of crystal growth 172, 433 (1997)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 1.751
Times cited: 23
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“The microstructure and interfaces of intermediate layers in sapphire bicrystals”. Vasiliev AL, Stepantsov EA, Ivanov ZG, Verbist K, Van Tendeloo G, Olsson E, Applied surface science 119, 215 (1997)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 3.387
Times cited: 2
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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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“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 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 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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“Mixed valent iron oxides with the 0201-1201 intergrowth structure: (Pb1-xTlx)Sr4Fe2O9 (0≤x≤1)”. Daniel P, Barbey L, Groult D, Nguyen N, Van Tendeloo G, Raveau B, European journal of solid state and inorganic chemistry 31, 235 (1994)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Times cited: 12
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“The modulated structure of Ca.85CuO2 as studied by means of electron diffraction”. Milat O, Van Tendeloo G, Amelinckx S, Babu TGN, Greaves C, Journal of solid state chemistry 97, 405 (1992)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 2.133
Times cited: 15
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“Molecular beam epitaxy and microstructural study of La2-xSr1+xCu2O6+y thin films”. Verbist K, Milat O, Van Tendeloo G, Arrouy F, Williams EJ, Rossel C, Machler E, Locquet J-P, Physical review : B : condensed matter and materials physics 56, 853 (1997)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 3.836
Times cited: 2
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“Monoclinic microdomains and clustering in the colossal magnetoresistance manganites Pr0.7Ca0.25Sr0.05MnO3 and Pr0.75Sr0.25MnO3”. Hervieu M, Van Tendeloo G, Caignaert V, Maignan A, Raveau B, Physical review : B : condensed matter and materials physics 53, 14274 (1996)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 3.736
Times cited: 75
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“The morphology, structure and texture of carbon nanotubes: an electron microscopy study”. Amelinckx S, Bernaerts D, Van Tendeloo G, van Landuyt J, Lucas AA, Mathot M, Lambin P, , 515 (1995)
Keywords: P3 Proceeding; Electron microscopy for materials research (EMAT)
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“Multi-functional copper oxide nanosystems for H2 sustainable production and sensing”. Gasparotto A, Barreca D, Fornasiero P, Gombac V, Lebedev O, Maccato C, Montini T, Tondello E, Van Tendeloo G, Comini E, Sberveglieri G, ECS transactions 25, 1169 (2009)
Abstract: This work focuses on the use of tailored copper oxide nanoarchitectures as multi-functional materials for the sustainable production of hydrogen and its on-line detection. An innovative copper(II) precursor, Cu(hfa)2TMEDA, was adopted in the CVD of CuxO (x=1,2) nanosystems under both O2 and O2+H2O atmospheres on Si(100) and Al2O3 substrates. A multi-technique characterization indicates that both the phase composition (from Cu2O to CuO) and morphology (from continuous films to entangled quasi-1D nanosystems) can be tailored by varying the growth temperature and reaction atmosphere. The obtained CuxO nanodeposits are active in the photocatalytic H2 production from aqueous solutions under UV-Vis irradiation and display interesting gas sensing performances towards hydrogen detection even at moderate temperatures.
Keywords: A2 Journal article; Electron microscopy for materials research (EMAT)
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“Nanodesign of combined micro- and mesoporous materials for specific applications in adsorption and catalysis”. Meynen V, Busuioc AM, Beyers E, Cool P, Vansant EF, Bilba N, Mertens M, Lebedev O, Van Tendeloo G Nova, New York (2007).
Keywords: H3 Book chapter; Electron microscopy for materials research (EMAT); Laboratory of adsorption and catalysis (LADCA)
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“Natural mineral-marine manganese nodule as a novel catalyst for the synthesis of carbon nanotubes”. Cheng JP, Zhang XB, Ye Y, Tao XY, Liu F, Li Y, Van Tendeloo G, Journal of Wuhan University of Technology: materials science edition 21, 29 (2006)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
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“Needle twins and right-angled twins in minerals: comparison between experiment and theory”. Salje EKH, Buckley A, Van Tendeloo G, Ishibashi Y, Nord GL, The American mineralogist 83, 811 (1998)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 2.021
Times cited: 43
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“A new “1201&rdquo, mercury cuprate: the 27K-superconductor HG0.5Bi0.5Sr2-xLaxCuO5-\delta”. Pelloquin D, Michel C, Van Tendeloo G, Maignan A, Hervieu M, Raveau B, Physica: C : superconductivity 214, 87 (1993)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 62
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“A new “1212&rdquo, mercury-based 90K superconductor: (Hg1-xMx)O6+y”. Maignan A, Van Tendeloo G, Hervieu M, Michel C, Raveau B, Physica: C : superconductivity 212, 239 (1993)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 36
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“New 1212-type superconductors with a Tc up to 85K in the system Hg-Pr-Sr-Ca-Cu-O”. Hervieu M, Van Tendeloo G, Maignan A, Michel C, Goutenoire F, Raveau B, Physica: C : superconductivity 216, 264 (1993)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 66
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“New cation deficient perovskite-like oxides in the system La4Ti3O12-LaTiO3”. Bontchev R, Darriet B, Darriet J, Weill F, Van Tendeloo G, Amelinckx S, European journal of solid state and inorganic chemistry 30, 521 (1993)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Times cited: 19
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“New erbium silicide superstructures: a study by high resolution electron microscopy”. Frangis N, Van Tendeloo G, van Landuyt J, Kaltsas G, Travlos A, Nassiopoulos AG, Physica status solidi: A: applied research 158, 107 (1996)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Times cited: 6
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“New mercury-based superconductors with the “1201&rdquo, structure Hg0.4Pr0.6Sr2-xPrxCuO4+\delta and Hg0.3Pb0.7Sr2-xLaxCuO4+\delta”. Goutenoire F, Daniel P, Hervieu M, Van Tendeloo G, Michel C, Maignan A, Raveau B, Physica: C : superconductivity 216, 243 (1993)
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 50
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“A new way of synthesis and characterization of superconducting oxyfluoride Sr2Cu(O,F)4+\delta”. Ardashnikova EI, Lubarsky SV, Denisenko DI, Shpanchenko RV, Antipov EV, Van Tendeloo G, Physica: C : superconductivity 253, 259 (1995)
Abstract: Superconducting Cu mixed oxyfluoride, Sr,Cu(O, F)(4+delta), was Obtained via fluorination of Sr2CuO3 by XeF2 in the 100-250 degrees C temperature range in a closed Ni container. The prepared samples exhibited a lower T-c in comparison with earlier reported values. Different samples in the Sr-Cu-O-F system were prepared by a solid-state reaction at 220-400 degrees C, but no formation of the oxyfluoride was detected even with an addition of xenon difluoride. These data allow one to draw conclusions on the metastability of the oxyfluoride under the conditions used, Electron microscopy and X-ray powder diffraction studies revealed large amounts of badly crystallized SrF2; this could be a reason for the small superconducting volume fraction as well as for the inhomogeneous distribution of the anions.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Impact Factor: 0.942
Times cited: 29
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“The “oblique&rdquo, zone imaging of the superlattice in complex crystal structure”. Milat O, Krekels T, Van Tendeloo G, Amelinckx S, Icem 13, 859 (1994)
Keywords: A3 Journal article; Electron microscopy for materials research (EMAT)
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“Observations of intermetallic compound formation of hot dip aluminized steel”. Kee-Hyun K, van Daele B, Van Tendeloo G, Jong-Kyu Y, Aluminium alloys: part 1-2 519-521, 1871 (2006)
Abstract: A hot dip aluminizing process to simulate the continuous galvanizing line (CGL) was carried out in three successive steps by a hot dip simulator: the pre-treatment for removing scales on the 200 x 250 mm(2) and 1mm in thickness cold rolled steel sheet, the dipping in 660 degrees C Al-Si melt for 3s and the cooling. In a pre-treatment, the steel specimen was partly coated by Au to confirm the mechanism of intermetallic compound (IMC) formation. Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), and transmission electron microscopy (TEM) analyses were followed to observe the cross-section and the distribution of the elements. The specimen was analyzed in the boundary of the dipped-undipped part to see the formation mechanism of the aluminized steel. An intermetallic compound (IMC) is rapidly developed and grown in the steel-liquid interface. It has been usually reported that the IMC was formed by the dissolution of iron in the steel substrate toward the melt and the diffusion of aluminum in an opposite direction. The specimen is covered with aluminum-10 wt.% silicon, forms the IMC in the part that was not Au coated. However, IMC is not formed in the Au-coated part. The interface of the dipped-undipped is also analyzed by EDX. At the interface of the steel-IMC, it is clearly shown that the IMC is only formed in the dipped part and exists in the steel substrate as well, and contributes by iron, aluminum and silicon. The result clearly shows that only aluminum diffuses into the steel substrate without the dissolution of iron and forms the IMC between the steel substrate and the melt. Au coating and the short dipping time prevent the iron from dissolving into the aluminum melt. By TEM combined with focused ion beam (FIB) sample preparation, the IMC is confirmed as Fe2SiAl8, a hexagonal structure with space group P6(3)/mmc.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
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“Optimization of the amount of catalyst and reaction time in single wall nanotube production”. Horvath ZE, Biro LP, Van Tendeloo G, Tondeur C, Bister G, Pierard N, Fonseca A, Nagy JB, Diffusion and defect data : solid state data : part B : solid state phenomena 94, 271 (2003)
Abstract: The influence of the amount of catalyst and the reaction time on the quantity and quality of catalytically grown single wall carbon nanotubes (SWNT) was investigated. The aim was to optimize some of the SWNT growth parameters using TEM and HRTEM. The thickness of catalyst layer influences the synthesis of the nanotube because the gas composition can differ between top and bottom. Microscopic investigation of the grown SWNT samples showed that the thicker the catalyst layer the lower relative nanotube content, so the deeper parts of the catalyst layer are less effective: The optimum time for the reaction was found to be 10 minutes. This may be understood assuming that nanotube growth needs an initial incubation time while the activity of the catalyst decreases steadily until the nariotube growth stops.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
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“Ordering and defects in BanTaxTiyO3n ternary oxides”. Nistor L, Van Tendeloo G, Amelinckx S, Shpanchenko RV, van Landuyt J, Electron Microscopy 1994, Vols 2a And 2b: Applications In Materials Sciences , 869 (1994)
Keywords: P1 Proceeding; Electron microscopy for materials research (EMAT)
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“Ordering principles for tetrahedral chains in Ga- and Co-substituted YBCO intergrowths”. Milat O, Krekels T, Van Tendeloo G, Amelinckx S, Journal de physique: 1: physique générale, physique statistique, matière condensée, domaines interdisciplinaires 3, 1219 (1993)
Abstract: A model for superstructure ordering in the <<chain>> layers of Ga (Co) substituted YBCO intergrowths with general formula (REO2)NSr2MCu2O5 (M = Co, Ga; n = 1, 2, ...) is proposed. By Ga or Co substitution for Cu, the structure of the <<chain>> layer changes : instead of the CuO4 planar squares, the chains consist of MO4 tetrahedra (M = Ga, Co) running along the [110] perovskite direction. The existing model for the Ga substituted <<123>> implies that all the chains are the same. Our new model is based on the results of Electron diffraction and High-resolution electron microscopy investigations. The model reveals the occurrence of two types of chains as a consequence of <<opposite>> ordering between neighbouring tetrahedra. The comer linked tetrahedra in each chain appear as alternatingly rotated in opposite sense, and a chain itself, as being displaced with respect to the underlying structure in one of two senses ; either forth (right) or back (left) along the chain direction. The regular alternation of chains of opposite type doubles the periodicity within a layer and induces the possibility for intrinsic disorder in the chain layer stacking sequence. The planar superstructure and a staggered stacking of the tetrahedral chain layers is found irrespective of the rest of the intergrowth structure. Superstructure ordering in the case of Co substitution is more perfect than for the Ga substitution.
Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)
Times cited: 16
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