Search Results - "Biskupek, J"

The role of electronic metal-support interactions and its temperature dependence: CO adsorption and CO oxidation on Au/TiO2 catalysts in the presence of TiO2 bulk defects by Wang, Y., Widmann, D., Heenemann, M., Diemant, T., Biskupek, J., Schlögl, R., Behm, R.J.

“…[Display omitted] •TiO2 bulk defects are identified by in-situ electrical conductivity measurements.•Role of bulk defects on electronic metal-support…”
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Selective CO Methanation on Ru/TiO2 Catalysts: Role and Influence of Metal–Support Interactions by Abdel-Mageed, Ali M, Widmann, D, Olesen, S. E, Chorkendorff, I, Biskupek, J, Behm, R. J

“…Aiming at a detailed understanding of the role of metal–support interactions in the selective methanation of CO in CO2-rich reformate gases, we have…”
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Self-assembly of a sulphur-terminated graphene nanoribbon within a single-walled carbon nanotube by Chuvilin, A., Bichoutskaia, E., Gimenez-Lopez, M. C., Chamberlain, T. W., Rance, G. A., Kuganathan, N., Biskupek, J., Kaiser, U., Khlobystov, A. N.

“…Single-walled carbon nanotubes are shown to template the self-assembly of graphene nanoribbons inside the tubes on electron-beam irradiation of a random…”
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Transmission electron microscopy at 20kV for imaging and spectroscopy by Kaiser, U., Biskupek, J., Meyer, J.C., Leschner, J., Lechner, L., Rose, H., Stöger-Pollach, M., Khlobystov, A.N., Hartel, P., Müller, H., Haider, M., Eyhusen, S., Benner, G.

“…The electron optical performance of a transmission electron microscope (TEM) is characterized for direct spatial imaging and spectroscopy using electrons with…”
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Transmission electron microscopy at 20 kV for imaging and spectroscopy by Kaiser, U, Biskupek, J, Meyer, J C, Leschner, J, Lechner, L, Rose, H, Stöger-Pollach, M, Khlobystov, A N, Hartel, P, Müller, H, Haider, M, Eyhusen, S, Benner, G

“…The electron optical performance of a transmission electron microscope (TEM) is characterized for direct spatial imaging and spectroscopy using electrons with…”
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Electron dose dependence of signal-to-noise ratio, atom contrast and resolution in transmission electron microscope images by Lee, Z., Rose, H., Lehtinen, O., Biskupek, J., Kaiser, U.

“…In order to achieve the highest resolution in aberration-corrected (AC) high-resolution transmission electron microscopy (HRTEM) images, high electron doses…”
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TEM investigations on growth interrupted samples for the correlation of the dislocation propagation and growth mode variations in AlGaN deposited on SiNx interlayers by KLEIN, O, BISKUPEK, J, FORGHANI, K, SCHOLZ, F, KAISER, U

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Local octahedral rotations and octahedral connectivity in epitaxially strained LaNiO3/LaGaO3 superlattices by Qi, H. Y., Kinyanjui, M. K., Biskupek, J., Geiger, D., Benckiser, E., Habermeier, H.-U., Keimer, B., Kaiser, U.

“…For ABO 3 perovskites, octahedral rotations and distortions couple strongly to the functional properties. However, in short period perovskite superlattices,…”
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Accessing the local three-dimensional structure of carbon materials sensitive to an electron beam by Leschner, J., Biskupek, J., Chuvilin, A., Kaiser, U.

“…The local three-dimensional (3D) structure of a broad variety of carbon materials cannot be accessed by electron tomography in the sub-nanometre range because…”
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Control of octahedral rotations via octahedral connectivity in an epitaxially strained [1 u.c.//4 u.c.] LaNiO3/LaGaO3 superlattice by Qi, H. Y., Kinyanjui, M. K., Chen, X. D., Biskupek, J., Geiger, D., Benckiser, E., Habermeier, H.-U., Keimer, B., Kaiser, U.

“…For ABO 3 perovskites, the magnetic and electronic properties couple strongly to the BO 6 octahedral rotations and distortions. Therefore, precise control of…”
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A Micellar Approach to Magnetic Ultrahigh-Density Data-Storage Media: Extending the Limits of Current Colloidal Methods by Ethirajan, A., Wiedwald, U., Boyen, H.-G., Kern, B., Han, L., Klimmer, A., Weigl, F., Kästle, G., Ziemann, P., Fauth, K., Cai, J., Behm, R. J., Romanyuk, A., Oelhafen, P., Walther, P., Biskupek, J., Kaiser, U.

“…An alternative route for producing L10 FePt nanoparticles based on the self‐organization of diblock copolymers into spherical micelles is presented. It…”
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New mechanical-alloying-based technological scheme for producing electrochemical composite coatings reinforced with non-agglomerated nanodiamond particles by Popov, V.A., Chernov, B.B., Prosviryakov, A.S., Cheverikin, V.V., Khodos, I.I., Biskupek, J., Kaiser, U.

“…•Uniform distribution of individual nanodiamonds in coating is obtained.•New method of electrodeposition of composite coatings was developed.•Deposition…”
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The role of stacking faults and their associated 0.13 eV acceptor state in doped and undoped ZnO layers and nanostructures by Thonke, K., Schirra, M., Schneider, R., Reiser, A., Prinz, G. M., Feneberg, M., Sauer, R., Biskupek, J., Kaiser, U.

“…Cathodoluminescence spectra recorded with high spatial and wavelength resolution on tilted ZnO epitaxial layers allow to identify a very prominent emission…”
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TEM investigations on growth interrupted samples for the correlation of the dislocation propagation and growth mode variations in AlGaN deposited on SiN interlayers by Klein, O., Biskupek, J., Forghani, K., Scholz, F., Kaiser, U.

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Cathodoluminescence of GaInN quantum wells grown on nonpolar a plane GaN: Intense emission from pit facets by Fujan, K. J., Feneberg, M., Neuschl, B., Meisch, T., Tischer, I., Thonke, K., Schwaiger, S., Izadi, I., Scholz, F., Lechner, L., Biskupek, J., Kaiser, U.

“…Ga x In 1 − x N quantum wells grown by metal organic vapor phase epitaxy on a plane GaN grown on r plane sapphire substrate typically show relatively large…”
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Growth and studies of Si-doped AlN layers by Thapa, S.B., Hertkorn, J., Scholz, F., Prinz, G.M., Leute, R.A.R., Feneberg, M., Thonke, K., Sauer, R., Klein, O., Biskupek, J., Kaiser, U.

“…Edge-type threading dislocations (TDs) can be reduced by increasing the epilayer thickness of undoped AlN grown on c -plane sapphire substrate by low pressure…”
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Structural and spectroscopic properties of AlN layers grown by MOVPE by Thapa, S.B., Kirchner, C., Scholz, F., Prinz, G.M., Thonke, K., Sauer, R., Chuvilin, A., Biskupek, J., Kaiser, U., Hofstetter, D.

“…The effects on surface morphology, crystal quality, and growth rate of undoped AlN layers grown on c -plane sapphire substrates due to the changes in growth…”
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Acceptor-related luminescence at 3.314eV in zinc oxide confined to crystallographic line defects by Schirra, M., Schneider, R., Reiser, A., Prinz, G.M., Feneberg, M., Biskupek, J., Kaiser, U., Krill, C.E., Sauer, R., Thonke, K.

“…The 3.314eV emission band characteristically appearing in bulk, epitaxial, and nano-structured ZnO samples is studied by photoluminescence (PL) and spatially…”
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'Magic-size' GeSi and Si nanocrystals created by ion bombardment of hexagonal SiC; a molecular dynamics study by Kaiser, U., Biskupek, J., GÄrtner, K.

“…We recently showed that GeSi and Si nanocrystals created after Ge- and Si-ion implantation into hexagonal SiC and subsequent annealing contain a high…”
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Stacking fault related 3.31 − eV luminescence at 130 − meV acceptors in zinc oxide by Schirra, M., Schneider, R., Reiser, A., Prinz, G. M., Feneberg, M., Biskupek, J., Kaiser, U., Krill, C. E., Thonke, K., Sauer, R.

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