Search Results - "Heyroth, F."

Temperature dependent giant resistance anomaly in LaAlO3/SrTiO3 nanostructures by Minhas, M. Z., Müller, A., Heyroth, F., Blaschek, H. H., Schmidt, G.

“…The resistance of the electron gas (2DEG) at the interface between the two band insulators LaAlO 3 (LAO) and SrTiO 3 (STO) typically drops monotonically with…”
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Enhanced non-radiative recombination in the vicinity of plasma-etched side walls of luminescing Si/Ge-quantum dot structures by Schilling, J., Talalaev, V., Tonkikh, A., Fuhrmann, B., Heyroth, F., Otto, M.

“…The photoluminescence from plasma etched, wedge shaped Ge-quantum dot arrays is investigated locally. The wedge geometry allows a convenient measurement of the…”
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On the growth mechanism and optical properties of ZnO multi-layer nanosheets by FAN, H. J, SCHOLZ, R, KOLB, F. M, ZACHARIAS, M, GÖSELE, U, HEYROTH, F, EISENSCHMIDT, C, HEMPEL, T, CHRISTEN, J

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Sidewall depletion in nano-patterned LAO/STO heterostructures by Minhas, M. Z., Blaschek, H. H., Heyroth, F., Schmidt, G.

“…We have investigated the conductance of nanostructures fabricated from the quasi-two-dimensional electron gas (q2DEG) formed at the LaAlO3/ SrTiO3 (LAO/STO)…”
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High-resolution analytical electron microscopy of catalytically etched silicon nanowires by Schade, M., Geyer, N., Fuhrmann, B., Heyroth, F., Leipner, H. S.

“…We report on the characterization of hexagonally ordered, vertically aligned silicon nanowires (SiNW) by means of analytical transmission electron microscopy…”
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Electrical and Structural Real-Time Changes in Thin Thermoelectric (Bi0.15Sb0.85)2Te3 Films by Dynamic Thermal Treatment by Rothe, K., Stordeur, M., Heyroth, F., Syrowatka, F., Leipner, H. S.

“…A recent trend in thermoelectrics is miniaturization of generators or Peltier coolers using the broad spectrum of thin-film and nanotechnologies. Power…”
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Dislocations and cracks at Vickers indentations in (0 0 0 1) GaN single crystals by Ratschinski, I., Leipner, H.S., Heyroth, F., Fränzel, W., Hammer, R., Jurisch, M.

“…Single-crystal (0 0 0 1) GaN samples have been deformed with a Vickers indenter at room temperature using loads in the range from 0.02 to 4.90 N. Dislocations…”
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Unidirectional self-assembling of SiGe Stranski-Krastanow islands on Si(113) by Hanke, M., Boeck, T., Gerlitzke, A.-K., Syrowatka, F., Heyroth, F.

“…We report on a dedicated two-step liquid phase epitaxy (LPE) experiment yielding ensembles of SiGe∕Si(113) nanoscale islands with unidirectional ordering along…”
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Dedicated fabrication of silicon-based ensembles of dot molecules with a specific and unique number of dots by Hanke, M., Boeck, T., Gerlitzke, A. -K., Syrowatka, F., Heyroth, F.

“…We have performed a two-step liquid phase epitaxy yielding ensembles of SiGe ∕ Si ( 001 ) dot molecules with a specific and unique number of dots. An…”
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Size, shape, and ordering of SiGe/Si(001) islands grown by means of liquid phase epitaxy under far-nonequilibrium growth conditions by Hanke, M., Boeck, T., Gerlitzke, A.-K., Syrowatka, F., Heyroth, F., Köhler, R.

“…Applying scanning electron microscopy, we have studied the evolution of shape and lateral positional correlation of Si1−xGex/Si(001) Stranski–Krastanov islands…”
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Internal strain formed in oxide ceramics upon spark-plasma sintering by Höche, T, Shen, Z, Nygren, M, Zhang, J, Aken, P.A.van, Heyroth, F, Uecker, R

“…Spark-plasma sintering of oxide ceramics is shown to be capable of provoking internal strain. This finding, which in terms of materials design is invaluable,…”
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Visualization of isofrequency contours of guided modes in all-dielectric hyperbolic-like metasurface by Pidgayko, D., Samusev, A., Sinev, I., Permyakov, D., Sychev, S., Heyroth, F., Rutckaia, V., Schilling, J., Lavrinenko, A., Bogdanov, A.

“…We designed a SOI-based all-dielectric anisotropic metasurface which supports both hyperbolic-like and elliptic dispersion regimes of guided modes. We employ…”
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Contrast in X-ray section topographs of perfect silicon crystals using the Laue-Laue three-beam case of diffraction by Heyroth, F., Höche, H.-R., Eisenschmidt, C.

“…Section topographs taken in three‐beam diffraction geometry and in the neighbourhood of this geometric position are presented. The experiments were performed…”
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Two- and Three-Beam X-ray Diffraction Imaging of Domains in Magnetite by Medrano, C., Heyroth, F., Schlenker, M., Baruchel, J., Espeso, J.

“…The X‐ray diffraction topographic imaging process for ferrimagnetic domains in magnetite Fe3O4 at room temperature is investigated, in two‐ and three‐beam…”
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X-Ray Topography of Perfect Crystals using the Laue-Laue Three-Beam Case of Diffraction by Heyroth, F., Eisenschmidt, C., Höche, H.-R.

“…A new kind of experiments is possible using very good collimated X‐rays with a divergence of the incident beam smaller than the diffraction curve (rocking…”
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Temperature dependent giant resistance anomaly in LaAlO 3 /SrTiO 3 nanostructures by Minhas, M Z, Müller, A, Heyroth, F, Blaschek, H H, Schmidt, G

“…The resistance of the electron gas (2DEG) at the interface between the two band insulators LaAlO (LAO) and SrTiO (STO) typically drops monotonically with…”
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Investigation of the chemical composition profile of SiGe∕Si(001) islands by analytical transmission electron microscopy by Schade, M., Heyroth, F., Syrowatka, F., Leipner, H. S., Boeck, T., Hanke, M.

“…The authors have determined the composition profile within individual Si1−xGex nanoscale islands on Si(001). Samples have been grown by means of liquid phase…”
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Electrical and Structural Real-Time Changes in Thin Thermoelectric (Bi^sub 0.15^Sb^sub 0.85^)^sub 2^Te^sub 3^ Films by Dynamic Thermal Treatment by Rothe, K, Stordeur, M, Heyroth, F, Syrowatka, F, Leipner, H S

“…A recent trend in thermoelectrics is miniaturization of generators or Peltier coolers using the broad spectrum of thin-film and nanotechnologies. Power…”
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Electron energy--loss spectroscopy investigation of Y2O3 films on Si (001) substrate by Zhang, J, Paumier, F, Hoche, T, Heyroth, F, Syrowatka, F, Gaboriaud, R J, Leipner, H S

“…Electron energy -loss spectroscopy has been used to investigate the interface between a Y2O3 film and the silicon substrate. The chemical composition of the…”
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Investigation of the chemical composition profile of Si Ge ∕ Si ( 001 ) islands by analytical transmission electron microscopy by Schade, M., Heyroth, F., Syrowatka, F., Leipner, H. S., Boeck, T., Hanke, M.

“…The authors have determined the composition profile within individual Si 1 − x Ge x nanoscale islands on Si(001). Samples have been grown by means of liquid…”
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