Search Results - "Vitchev, R."

Surface oxidation of NiTi shape memory alloy by Firstov, G.S, Vitchev, R.G, Kumar, H, Blanpain, B, Van Humbeeck, J

“…Mechanically polished NiTi alloy (50 at% Ni) was subjected to heat treatment in air in the temperature range 300–800°C and characterised by scanning electron…”
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Cesium redeposition artifacts during low energy ToF-SIMS depth profiling by Vitchev, R.G., Brison, J., Houssiau, L.

“…H-terminated Si samples were preloaded with Cs by performing ToF-SIMS depth profiles (250 eV Cs +, 15 keV Ga +) until the steady state was reached both with…”
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Measurement and modeling of work function changes during low energy cesium sputtering by Brison, J., Mine, N., Poisseroux, S., Douhard, B., Vitchev, R.G., Houssiau, L.

“…In this paper, a H-terminated silicon wafer was bombarded by low energy cesium ions during ToF-SIMS analysis and work function variations of the target were…”
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Depth distribution of Cs implanted into Si at steady-state during dual beam ToF-SIMS profiling by Vitchev, R.G., Brison, J., Houssiau, L.

“…The steady-state depth distributions of Cs atoms implanted into a H-terminated Si surface at different energies (250 eV to 2 keV, 45° incidence angle) were…”
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X-ray photoelectron spectroscopy characterisation of high-k dielectric Al2O3 and HfO2 layers deposited on SiO2/Si surface by VITCHEV, R. G, PIREAUX, J. J, CONARD, T, BENDER, H, WOLSTENHOLME, J, DEFRANOUX, Chr

“…Scaling down of CMOS devices results in a decrease of the gate dielectric thickness. This presents a considerable challenge to the microelectronics as the…”
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Effect of crystallographic orientation on fretting wear behaviour of MoSx coatings in dry and humid air by ZHANG, X, VITCHEV, R. G, LAUWERENS, W, STALS, L, HE, J, CELIS, J.-P

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Influence of humidity on the fretting wear of self-mated tetragonal zirconia ceramics by Basu, B, Vitchev, R.G, Vleugels, J, Celis, J.P, Van Der Biest, O

“…The influence of different humidity levels on the tribological behaviour of polycrystalline tetragonal zirconia polycrystals (Y-TZP) sliding against commercial…”
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Unlubricated fretting wear of TiB2-Containing composites against bearing steel by VLEUGELS, J, BASU, B, HARI KUMAR, K. C, VITCHEV, R. G, VAN DER BIEST, O

“…Fretting tests under dry unlubricated conditions (22 deg C to 25 deg C, 50 to 55 pct RH) were performed on monolithic TiB sub 2 , TiB sub 2 -based cermet with…”
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Transfer of molybdenum sulphide coating material onto corundum balls in fretting wear tests by Zhang, Xiaoling, Vitchev, R.G, Lauwerens, W, He, Jiawen, Celis, J.-P

“…Transfer films on corundum balls from sulfur deficient molybdenum disulfide (MoS x ) coatings with different crystallographic orientations were investigated…”
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Phase composition of Cr-C thin films deposited by a double magnetron sputtering system by Groudeva-Zotova, S., Vitchev, R. G., Blanpain, B.

“…Non‐reactive d.c. magnetron sputtering by two magnetron sources with inclined geometry was used for deposition of Cr–C thin films with C : Cr ratio in the…”
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Surface oxidation of SnTe topological crystalline insulator by Berchenko, N., Vitchev, R., Trzyna, M., Wojnarowska-Nowak, R., Szczerbakow, A., Badyla, A., Cebulski, J., Story, T.

“…[Display omitted] •A multicomponent multilayer structure formed during the oxidation of SnTe topological crystalline insulator at ambient conditions was…”
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Effective attenuation length of Al Kα-excited Si2p photoelectrons in SiO2, Al2O3 and HfO2 thin films by Vitchev, R G, Defranoux, Chr, Wolstenholme, J, Conard, T, Bender, H, Pireaux, J J

“…The inelastic mean free path is extensively used as a measure of the surface sensitivity of electron spectroscopies such as XPS and AES. However, the elastic…”
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Physical characterization of mixed HfAlOx layers by complementary analysis techniques by Bender, H, Conard, Th, Richard, O, Brijs, B, Pétry, J, Vandervorst, W, Defranoux, C, Boher, P, Rochat, N, Wyon, C, Mack, P, Wolstenholme, J, Vitchev, R, Houssiau, L, Pireaux, J-J, Bergmaier, A, Dollinger, G

“…The combined information of complementary physical analysis techniques is applied to obtain a full characterisation of the important material parameters of new…”
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Electronic spectroscopic study of the tribochemical modifications of TiN–corundum pairs after fretting wear by Vitchev, R.G, Blanpain, B, Celis, J.P

“…A TiN coating, deposited by PVD, was rubbed against corundum balls in a laboratory fretting experiment for different number of cycles. The surface composition…”
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ToF-SIMS depth profiling of Hf and Al composition variations in ultrathin mixed HfO2/Al2O3 oxides by Houssiau, L., Vitchev, R.G., Conard, T., Vandervorst, W., Bender, H.

“…The rapid scaling down of CMOS devices has driven the SiO2-based gate dielectrics technology close to its fundamental limits, governed by large gate leakage…”
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An out-of-specification element oxide found in the subsurface layer of Ni superalloys after annealing in air by Berchenko, N., Vitchev, R., Bochnowski, W., Trzyna, M., Adamiak, S., Dziedzic, A., Cebulski, J.

“…An out-of-specification element oxide found in the subsurface layer of Ni superalloys after annealing in air. [Display omitted] •An out-of-specification…”
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Cesium/xenon co-sputtering at different energies during ToF-SIMS depth profiling by Brison, J., Vitchev, R.G., Houssiau, L.

“…In this paper, ToF-SIMS dual beam depth profiles of H-terminated silicon wafers were performed with cesium primary ions and for different beam energies. The…”
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Emission characteristics of an Au–Ge liquid metal ion source by Georgieva, S, Tzvetkov, T, Vitchev, RG, Drandarov, N

“…A liquid metal ion source (LMIS), based on an Au 27 at.% Ge eutectic alloy was investigated and the mass spectrum and angular distributions of different ion…”
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On the understanding of positive and negative ionization processes during ToF-SIMS depth profiling by co-sputtering with cesium and xenon by Brison, J., Guillot, J., Douhard, B., Vitchev, R.G., Migeon, H.-N., Houssiau, L.

“…In this paper, ionization processes of secondary ions during ToF-SIMS dual beam depth profiling were studied by co-sputtering with 500 eV cesium and xenon ions…”
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Effect of crystallographic orientation on fretting wear behaviour of MoS sub(x) coatings in dry and humid air by Zhang, X, Vitchev, R G, Lauwerens, W, Stals, L, He, J, Celis, J-P

“…The tribological behaviour of MoS sub(2) coatings in air of high humidity is critical for their application in air. An improved friction and wear resistance of…”
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