Search Results - "Gerthsen, D."

Composition quantification of electron-transparent samples by backscattered electron imaging in scanning electron microscopy by Müller, E., Gerthsen, D.

“…The contrast of backscattered electron (BSE) images in scanning electron microscopy (SEM) depends on material parameters which can be exploited for composition…”
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Electron beam broadening in electron‐transparent samples at low electron energies by HUGENSCHMIDT, M., MÜLLER, E., GERTHSEN, D.

“…Summary Scanning transmission electron microscopy (STEM) at low primary electron energies has received increasing attention in recent years because knock‐on…”
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Carbon‐film‐based Zernike phase plates with smooth thickness gradient for phase‐contrast transmission electron microscopy with reduced fringing artefacts by Obermair, M., Hettler, S., Dries, M., Hugenschmidt, M., Spiecker, R., Gerthsen, D.

“…Phase plates (PPs) in transmission electron microscopy (TEM) improve the contrast of weakly scattering objects under in‐focus imaging conditions. A…”
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Differential electron scattering cross-sections at low electron energies: The influence of screening parameter by Čalkovský, M., Müller, E., Hugenschmidt, M., Gerthsen, D.

“…•Quantitative modelling of HAADF-STEM intensity by Monte Carlo simulations at electron energies from 10 to 30 keV.•Adaption of screening radius for…”
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Correlating the nanostructure of Al-oxide with deposition conditions and dielectric contributions of two-level systems in perspective of superconducting quantum circuits by Fritz, S., Seiler, A., Radtke, L., Schneider, R., Weides, M., Weiß, G., Gerthsen, D.

“…This work is concerned with Al/Al-oxide(AlO x )/Al-layer systems which are important for Josephson-junction-based superconducting devices such as quantum bits…”
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Effect of precipitation of (Ti,V)N and V(C,N) secondary phases on mechanical properties of V and N microalloyed 1Cr steels by Zhang, Z.H., Liu, Y., Zhou, Y.N., Dong, X.M., Zhang, C.X., Cao, G.H., Schneider, R., Gerthsen, D.

“…The influence of (Ti,V)N- and V(C,N)-type precipitates on the mechanical properties was studied using transmission electron microscopy, energy-filtered…”
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Experimental realization of a π/2 vortex mode converter for electrons using a spherical aberration corrector by Schachinger, T., Hartel, P., Lu, P.-H., Löffler, S., Obermair, M., Dries, M., Gerthsen, D., Dunin-Borkowski, R.E., Schattschneider, P.

“…In light optics, beams with orbital angular momentum (OAM) can be produced by employing a properly-tuned two-cylinder-lens arrangement, also called π/2 mode…”
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Optical and transport properties of ultrathin NbN films and nanostructures by Semenov, A., Günther, B., Böttger, U., Hübers, H.-W., Bartolf, H., Engel, A., Schilling, A., Ilin, K., Siegel, M., Schneider, R., Gerthsen, D., Gippius, N. A.

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Electron-beam broadening in amorphous carbon films in low-energy scanning transmission electron microscopy by Drees, H., Müller, E., Dries, M., Gerthsen, D.

“…•Electron beam broadening in low-energy scanning transmission electron microscopy.•Measurement based on multi-segmented STEM detector.•Results for thin…”
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Influence of Severe Plastic Deformation on Microstructure, Strength and Electrical Conductivity of Aged Al–0.4Zr(Wt.%) Alloy by Orlova T.S., Mavlyutov A.M., Latynina T.A., Ubyivovk E.V., Murashkin M.Yu, Schneider R., Gerthsen D., Valiev R.Z.

“…Microstructure evolution of an Al-0.4Zr(wt.%) alloy after isothermal aging (AG) and subsequent high pressure torsion (HPT) and its impact on strength and…”
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High-resolution transmission electron microscopy with an electrostatic Zach phase plate by Hettler, S, Dries, M, Zeelen, J, Oster, M, Schröder, R R, Gerthsen, D

“…A new method to control lattice-fringe contrast in high-resolution transmission electron microscopy (HRTEM) images by the implementation of a physical phase…”
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Correlation between microstructure and degradation in conductivity for cubic Y2O3-doped ZrO2 by BUTZ, B, KRUSE, P, STORMER, H, GERTHSEN, D, MULLER, A, WEBER, A, IVERSTIFFEE, E

“…The application of Yttria-stabilized Zirconia (YSZ) as solid electrolyte in high-temperature solid oxide fuel cells (SOFC) is well established. However, the…”
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Optimization of Material Contrast for Efficient FIB‐SEM Tomography of Solid Oxide Fuel Cells by Meffert, M., Wankmüller, F., Störmer, H., Weber, A., Lupetin, P., Ivers‐Tiffée, E., Gerthsen, D.

“…Focused ion beam (FIB) – scanning electron microscopy (SEM) serial sectioning tomography has become an important tool for three‐dimensional microstructure…”
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Focused-Ion-Beam Nanofabrication of Near-Infrared Magnetic Metamaterials by Enkrich, C., Pérez-Willard, F., Gerthsen, D., Zhou, J. F., Koschny, T., Soukoulis, C. M., Wegener, M., Linden, S.

“…Split‐ring resonators with a magnetic resonance in the near‐infrared have been fabricated using the rapid‐ prototyping capabilities of focused‐ ion‐beam…”
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Microstructure stability studies of Ni patterned anodes for SOFC by Utz, A., Störmer, H., Gerthsen, D., Weber, A., Ivers-Tiffée, E.

“…Although fundamental work has focused for a while now on the kinetics of the Ni–YSZ cermet anode, there still is no consensus on the rate determining steps…”
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Microemulsion-made gadolinium carbonate hollow nanospheres showing magnetothermal heating and drug release by Jung-König, J, Sanhaji, M, Popescu, R, Seidl, C, Zittel, E, Schepers, U, Gerthsen, D, Hilger, I, Feldmann, C

“…Gadolinium carbonate (Gd (CO ) ) hollow nanospheres and their suitability for drug transport and magnetothermally-induced drug release are presented. The…”
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Oxide-free aC/Zr0.65Al0.075Cu0.275/aC phase plates for transmission electron microscopy by Dries, M., Obermair, M., Hettler, S., Hermann, P., Seemann, K., Seifried, F., Ulrich, S., Fischer, R., Gerthsen, D.

“…•Study of Zernike and Hilbert phase plates (PP) fabricated from aC/ZrAlCu/aC films.•Oxidation of the metallic glass alloy ZrAlCu prevented by thin amorphous…”
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Oxide-free aC/Zr 0.65 Al 0.075 Cu 0.275 /aC phase plates for transmission electron microscopy by Dries, M, Obermair, M, Hettler, S, Hermann, P, Seemann, K, Seifried, F, Ulrich, S, Fischer, R, Gerthsen, D

“…Thin-film phase plates (PP) have become a valuable tool for the imaging of organic objects in transmission electron microscopy (TEM). The thin film usually…”
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Decomposition of 8.5 mol.% Y2O3-doped zirconia and its contribution to the degradation of ionic conductivity by BUTZ, B, SCHNEIDER, R, GERTHSEN, D, SCHOWALTER, M, ROSENAUER, A

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Formation of a bimodal structure in ultrafine Ti–Fe–Nb alloys with high-strength and enhanced ductility by Cao, G.H., Peng, Y.F., Liu, N., Li, X., Lei, Z.S., Ren, Z.M., Gerthsen, D., Russell, A.M.

“…Bulk (Ti70.5Fe29.5)100−xNbx (x=0, 3, 5 and 7at%) alloys were prepared by cold crucible levitation melting, and their mechanical properties were tested in…”
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