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Strain wave pathway to semiconductor-to-metal transition revealed by time-resolved X-ray powder diffraction

Autor: Simon Ebner, Majed Chergui, Hervé Cailleau, Paul Beaud, Henrik T. Lemke, Eric Collet, Gerhard Ingold, Alexei Bosak, Andrej Babic, Dmitry Ozerov, S. Vetter, Laurent Cario, Roman Bertoni, Laurent Guérin, Pavle Juranić, Michael Wulff, Giulia F. Mancini, Vincent Esposito, T. Zmofing, Alexander Roland Oggenfuss, Aldo Mozzanica, Shin-ichi Ohkoshi, Yunpei Deng, Maciej Lorenc, Ivan Usov, Serhane Zerdane, Matteo Levantino, Akos Schreiber, Marco Cammarata, Roman Mankowsky, Elzbieta Trzop, Rolf Follath, P. Böhler, Céline Mariette, S. Redford, C. Svetina, Olivier Hernandez, Leonardo Sala, A. Volte, X. Dong, L. Patthey, Hiroko Tokoro, V. Ta Phuoc, B. Lépine, A. Keller, Etienne Janod

Publikováno v: Nature Communications
'Nature Communications ', vol: 12, pages: 1239-1-1239-11 (2021)
Nature Communications, Vol 12, Iss 1, Pp 1-11 (2021)
Nature Communications, Nature Publishing Group, 2021, 12 (1), pp.1239. ⟨10.1038/s41467-021-21316-y⟩
Nature Communications, 2021, 12 (1), pp.1239. ⟨10.1038/s41467-021-21316-y⟩

Thanks to the remarkable developments of ultrafast science, one of today's challenges is to modify material state by controlling with a light pulse the coherent motions that connect two different phases. Here we show how strain waves, launched by ele

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8eaac90d4c4524f2e22345589a1da72
https://pubmed.ncbi.nlm.nih.gov/33623010

Bias Dependence of the Electrical Spin Injection into GaAs from Co−Fe−B/MgO Injectors with Different MgO Growth Processes

Autor: Sylvain Tricot, Z.G. Wang, Henri Jaffrès, Philippe Schieffer, Xavier Marie, Philippe Barate, Marta L. Vidal, Xavier Devaux, Tiantian Zhang, Fabian Cadiz, X. F. Han, Thomas Garandel, Pierre Renucci, B. Lépine, Michel Hehn, Stéphane Mangin, J.-M. George, Bingshan Tao, Thierry Amand, Frougier Julien, Yuan Lu, Bao Xu, Shiheng Liang

Publikováno v: Physical Review Applied. 8

We investigate the influence of the MgO growth process on the bias dependence of the electrical spin injection from a Co-Fe-B=MgO spin injector into a GaAs-based light-emitting diode (spin LED). With this aim, textured MgO tunnel barriers are fabrica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f1467d62223d3361bafdd53673bfe172
https://doi.org/10.1103/physrevapplied.8.054027

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X-ray photoelectron diffraction from cubic GaN(0 0 1): an experimental and theoretical study

Autor: D. Sébilleau, B. Lépine, G. Jézéquel, B. Daudin, Philippe Schieffer, G. Feuillet

Publikováno v: Surface Science. :593-599

We have measured the polar scans from a cubic GaN(001) single crystal by X-ray photoelectron diffraction (XPD) with high angular resolution. The intensities were recorded within (100), (110) and (110) substrate planes from Mg Ka excited N 1s and Ga 3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51b0e2e237591c8d9b8af2bb0eaeafdb
https://doi.org/10.1016/s0039-6028(00)01049-9