Zobrazeno 1 - 10
of 1 644
pro vyhledávání: '"BECHSTEDT F"'
Autor:
Pfnür, H., Tegenkamp, C., Sanna, S., Jeckelmann, E., Horn-von Hoegen, M., Bovensiepen, U., Esser, N., Schmidt, W.G., Dähne, M., Wippermann, S., Bechstedt, F., Bode, M., Claessen, R., Ernstorfer, R., Hogan, C., Ligges, M., Pucci, A., Schäfer, J., Speiser, E., Wolf, M., Wollschläger, J.
Publikováno v:
In Surface Science Reports May 2024 79(2)
Autor:
Fadaly, E. M. T., Dijkstra, A., Suckert, J. R., Ziss, D., Tilburg, M. A. J. v., Mao, C., Ren, Y., Lange, V. T. v., Kölling, S., Verheijen, M. A., Busse, D., Rödl, C., Furthmüller, J., Bechstedt, F., Stangl, J., Finley, J. J., Botti, S., Haverkort, J. E. M., Bakkers, E. P. A. M.
Silicon crystallized in the usual cubic (diamond) lattice structure has dominated the electronics industry for more than half a century. However, cubic silicon (Si), germanium (Ge) and SiGe-alloys are all indirect bandgap semiconductors that cannot e
Externí odkaz:
http://arxiv.org/abs/1911.00726
Akademický článek
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Autor:
Nenstiel, C., Callsen, G., Nippert, F., Kure, T., Wagner, M. R., Schlichting, S., Jankowski, N., Hoffmann, M. P., Fritze, S., Dadgar, A., Krost, A., Hoffmann, A., Bechstedt, F.
Excitons in semiconductors and insulators consist of fermionic subsystems, electrons and holes, whose attractive interaction facilitates bound quasiparticles with quasi-bosonic character due to even-numbered pair spins. In the presence of a degenerat
Externí odkaz:
http://arxiv.org/abs/1610.01673
Using relativistic first-principles calculations, we show that the chemical trend of Dzyaloshinskii-Moriya interaction (DMI) in 3d-5d ultrathin films follows Hund's first rule with a tendency similar to their magnetic moments in either the unsupporte
Externí odkaz:
http://arxiv.org/abs/1609.04004
Autor:
Meyer, S., Umbach, T., Blumenstein, C., Schäfer, J., Claessen, R., Sauer, S., Leake, S. J., Willmott, P. R., Fiedler, M., Bechstedt, F.
The one-dimensional reconstruction of Au/Ge(001) was investigated by means of autocorrelation functions from surface x-ray diffraction (SXRD) and scanning tunneling microscopy (STM). Interatomic distances found in the SXRD-Patterson map are substanti
Externí odkaz:
http://arxiv.org/abs/1205.0887
Autor:
Hambach, R., Giorgetti, C., Hiraoka, N., Cai, Y. Q., Sottile, F., Marinopoulos, A. G., Bechstedt, F., Reining, Lucia
Publikováno v:
Physical Review Letters 101, 26 (2008) http://prl.aps.org/abstract/PRL/v101/i26/e266406
The electron energy-loss function of graphite is studied for momentum transfers q beyond the first Brillouin zone. We find that near Bragg reflections the spectra can change drastically for very small variations in q. The effect is investigated by me
Externí odkaz:
http://arxiv.org/abs/1004.5205
Publikováno v:
Phys. Rev. B 81, 245210 (2010)
Pseudobinary heterostructural alloys of ZnO with MgO or CdO are studied by composing the system locally of clusters with varying ratio of cations. We investigate fourfold (wurtzite structure) and sixfold (rocksalt structure) coordination of the atoms
Externí odkaz:
http://arxiv.org/abs/1003.3614
Autor:
Schaefer, J., Meyer, S., Blumenstein, C., Roensch, K., Claessen, R., Mietke, S., Klinke, M., Podlich, T., Matzdorf, R., Stekolnikov, A. A., Sauer, S., Bechstedt, F.
Atomic structures of quasi-one-dimensional (1D) character can be grown on semiconductor substrates by metal adsorption. Significant progress concerning study of their 1D character has been achieved recently by condensing noble metal atoms on the Ge(0
Externí odkaz:
http://arxiv.org/abs/0906.4912
Autor:
Preston, A. R. H., Ruck, B. J., Piper, L. F. J., DeMasi, A., Smith, K. E., Schleife, A., Fuchs, F., Bechstedt, F., Chai, J., Durbin, S. M.
Soft x-ray emission and absorption spectroscopy of the O K-edge are employed to investigate the electronic structure of wurtzite ZnO(0001). A quasiparticle band structure calculated within the GW approximation agrees well with the data, most notably
Externí odkaz:
http://arxiv.org/abs/0805.4641