Search Results - "KüBEL, C"

Carbon segregation and cementite precipitation at grain boundaries in quenched and tempered lath martensite by Morsdorf, L., Kashiwar, A., Kübel, C., Tasan, C.C.

“…Tempering is widely applied to make carbon atoms beneficially rearrange in high strength steel microstructures after quenching; though the nano-scale…”
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Early deformation mechanisms in the shear affected region underneath a copper sliding contact by Haug, C., Ruebeling, F., Kashiwar, A., Gumbsch, P., Kübel, C., Greiner, C.

“…Dislocation mediated plastic deformation decisively influences the friction coefficient and the microstructural changes at many metal sliding interfaces during…”
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Combination of in situ straining and ACOM TEM: A novel method for analysis of plastic deformation of nanocrystalline metals by Kobler, A., Kashiwar, A., Hahn, H., Kübel, C.

“…Nanocrystalline metals are expected to exhibit different deformation mechanisms when compared to their coarse grained counterparts because the dislocation…”
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Challenges in quantitative crystallographic characterization of 3D thin films by ACOM-TEM by Kobler, A., Kübel, C.

“…Automated crystal orientation mapping for transmission electron microscopy (ACOM-TEM) has become an easy to use method for the investigation of crystalline…”
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3D silicon/graphite composite electrodes for high-energy lithium-ion batteries by Zheng, Y., Seifert, H.J., Shi, H., Zhang, Y., Kübel, C., Pfleging, W.

“…Graphite composite electrodes mixed with silicon are proposed as next generation anode material for high energy and high power applications. In order to…”
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Towards automated diffraction tomography: Part I—Data acquisition by Kolb, U., Gorelik, T., Kübel, C., Otten, M.T., Hubert, D.

“…The ultimate aim of electron diffraction data collection for structure analysis is to sample the reciprocal space as accurately as possible to obtain a…”
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Two-dimensional percolation threshold in confined Si nanoparticle networks by Laube, J., Gutsch, S., Wang, D., Kübel, C., Zacharias, M., Hiller, D.

“…Non-percolating and percolating silicon quantum dot (QD) networks were investigated by plane-view energy filtered transmission electron microscopy (EF-TEM)…”
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Comprehensive analysis of TEM methods for LiFePO4/FePO4 phase mapping: spectroscopic techniques (EFTEM, STEM-EELS) and STEM diffraction techniques (ACOM-TEM) by Mu, X., Kobler, A., Wang, D., Chakravadhanula, V.S.K., Schlabach, S., Szabó, D.V., Norby, P., Kübel, C.

“…Transmission electron microscopy (TEM) has been used intensively in investigating battery materials, e.g. to obtain phase maps of partially (dis)charged…”
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Towards FIB-SEM Based Simulation of Pore-Scale Diffusion in SCR Catalyst Layers by Proff, J., Mail, M., Lindner, A., Scheuer, A., Bendrich, M., Quinet, E., Schuler, A., Scherer, T., Kübel, C., Votsmeier, M.

“…The diffusivity in the upper Cu-Chabazite layer of a dual layer ammonia oxidation catalyst with a lower Pt layer was investigated. In a first step, the pore…”
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Site-specific chirality in magnetic transitions by Ennen, I., Löffler, S., Kübel, C., Wang, D., Auge, A., Hütten, A., Schattschneider, P.

“…We report site-specific energy loss magnetic dichroism measurements of the technologically interesting Heusler alloy Ni2MnSn. In addition, we confirm the…”
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In-situ TEM study of oxygen-modulated crystallization pathway in Ni-Zr metallic glass by Liu, S.Y., Cao, Q.P., Mu, X., Wang, D., Wang, X.D., Tang, Y., Zhang, D.X., Kübel, C., Jiang, J.Z.

“…Clarifying the crystallization path, from the thermodynamic point of view, is of importance for the structure and properties of metallic glasses (MGs). The…”
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Potassium polytitanate gas-sensor study by impedance spectroscopy by Fedorov, F.S., Varezhnikov, A.S., Kiselev, I., Kolesnichenko, V.V., Burmistrov, I.N., Sommer, M., Fuchs, D., Kübel, C., Gorokhovsky, A.V., Sysoev, V.V.

“…Nanocrystalline potassium polytitanates K2O·nTiO2·mH2O represent a new type of semiconducting compounds which are characterized by a high specific surface that…”
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Strain relaxation and vacancy creation in thin platinum films by Gruber, W, Chakravarty, S, Baehtz, C, Leitenberger, W, Bruns, M, Kobler, A, Kübel, C, Schmidt, H

“…Synchrotron based combined in situ x-ray diffractometry and reflectometry is used to investigate the role of vacancies for the relaxation of residual stress in…”
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Accurate segmentation of dense nanoparticles by partially discrete electron tomography by Roelandts, T., Batenburg, K.J., Biermans, E., Kübel, C., Bals, S., Sijbers, J.

“…Accurate segmentation of nanoparticles within various matrix materials is a difficult problem in electron tomography. Due to artifacts related to image series…”
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Decomposition of amorphous Si2C by thermal annealing by Gustus, R., Gruber, W., Wegewitz, L., Geckle, U., Prang, R., Kübel, C., Schmidt, H., Maus-Friedrichs, W.

“…In the present paper, the decomposition and the crystallization behaviour of amorphous Si2C films, which were deposited by r.f. magnetron co-sputtering on Si…”
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Grain refinement and mechanical properties in ultrafine grained Pd and Pd–Ag alloys produced by HPT by Kurmanaeva, L., Ivanisenko, Yu, Markmann, J., Kübel, C., Chuvilin, A., Doyle, S., Valiev, R.Z., Fecht, H.-J.

“…The microstructure and the mechanical properties of ultrafine grained Pd and Pd– x% Ag ( x = 10, 20, 40) alloys processed by high pressure torsion (HPT) were…”
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Electron microscopic studies on the diffusion of metal ions in epoxy–metal interphases by Meiser, A., Kübel, C., Schäfer, H., Possart, W.

“…Cross sections of epoxy adhesive joints (DGEBA and DETA) of Al or Cu PVD substrates were prepared by ultra-microtomy and studied with STEM, EELS and EDX to…”
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Variation of the deformation mechanisms in a nanocrystalline Pd–10at.% Au alloy at room and cryogenic temperatures by Ivanisenko, Yu, Tabachnikova, E.D., Psaruk, I.A., Smirnov, S.N., Kilmametov, A., Kobler, A., Kübel, C., Kurmanaeva, L., Csach, K., Mishkuf, Y., Scherer, T., Semerenko, Y.A., Hahn, H.

“…•Deformation behavior of a nc Pd alloy (d=14nm) was studied down to 4.2K.•The variation of deformation mechanisms with temperature was revealed.•A model…”
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Pyrolysis in the Mesophase:  A Chemist's Approach toward Preparing Carbon Nano- and Microparticles by Gherghel, Lileta, Kübel, Christian, Lieser, Günter, Räder, Hans-Joachim, Müllen, Klaus

“…A mild pyrolytic method is proposed for the generation of different carbon micro- and nanoparticles that are either unprecedented or have never been reported…”
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LiF/Fe/V2O5 nanocomposite as high capacity cathode for lithium ion batteries by Das, B., Pohl, A., Chakravadhanula, V.S.K., Kübel, C., Fichtner, M.

“…Iron fluoride based conversion cathode materials, LiF/Fe/V2O5 nanocomposites with high activity and good cyclic stability have been prepared in the discharged…”
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