Zobrazeno 1 - 10
of 780
pro vyhledávání: '"Claessen, R."'
Autor:
Elmers, H. J., Tkach, O., Lytvynenko, Y., Yogi, P., Schmitt, M., Biswas, D., Liu, J., Chernov, S. V., Hoesch, M., Kutnyakhov, D., Wind, N., Wenthaus, L., Scholz, M., Rossnagel, K., Gloskovskii, A., Schlueter, C., Winkelmann, A., Haghighirad, A. -A., Lee, T. -L., Sing, M., Claessen, R., Tacon, M. Le, Demsar, J., Schonhense, G., Fedchenko, O.
Using x-ray photoelectron diffraction (XPD) and angle-resolved photoemission spectroscopy, we study photoemission intensity changes related to changes in the geometric and electronic structure in the kagome metal CsV$_3$Sb$_5$ upon transition to an u
Externí odkaz:
http://arxiv.org/abs/2408.03750
Autor:
Kagerer, P., Fornari, C. I., Buchberger, S., Tschirner, T., Veyrat, L., Kamp, M., Tcakaev, A. V., Zabolotnyy, V., Morelhão, S. L., Geldiyev, B., Müller, S., Fedorov, A., Rienks, E., Gargiani, P., Valvidares, M., Folkers, L. C., Isaeva, A., Büchner, B., Hinkov, V., Claessen, R., Bentmann, H., Reinert, F.
Publikováno v:
Phys. Rev. Research 5 (2023), L022019
Inducing a magnetic gap at the Dirac point of the topological surface state (TSS) in a 3D topological insulator (TI) is a route to dissipationless charge and spin currents. Ideally, magnetic order is present only at the surface and not in the bulk, e
Externí odkaz:
http://arxiv.org/abs/2207.14421
Autor:
Maklar, J., Stühler, R., Dendzik, M., Pincelli, T., Dong, S., Beaulieu, S., Neef, A., Li, G., Wolf, M., Ernstorfer, R., Claessen, R., Rettig, L.
Publikováno v:
Nano Lett. 2022, 22, 13, 5420-5426
Two-dimensional quantum spin Hall (QSH) insulators are a promising material class for spintronic applications based on topologically-protected spin currents in their edges. Yet, they have not lived up to their technological potential, as experimental
Externí odkaz:
http://arxiv.org/abs/2108.09218
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:
Stübinger, M., Gabel, J., Scheiderer, P., Zapf, M., Schmitt, M., Schütz, P., Leikert, B., Küspert, J., Kamp, M., Thakur, P. K., Lee, T. -L., Potapov, P., Lubk, A., Büchner, B., Sing, M., Claessen, R.
The heterostructure consisting of the Mott insulator LaVO$_3$ and the band insulator SrTiO$_3$ is considered a promising candidate for future photovoltaic applications. Not only does the (direct) excitation gap of LaVO$_3$ match well the solar spectr
Externí odkaz:
http://arxiv.org/abs/2105.12472
Autor:
Alarab, F., Hricovini, K., Leikert, B., Nicolai, L., Fanciulli, M., Heckmann, O., Richter, M., Prušakova, L., Jansa, Z., Šutta, P., Rault, J., Lefevre, P., Muntwiller, M., Claessen, R., Minár, J.
We combined photoelemission spectroscopy with first-principle calculations to investigate structural and electronic properties of SrTiO$_{3}$ doped with Ni impurities. In SrTiO$_{3}$ polycrystalline thin films, grown by magnetron sputtering, the mean
Externí odkaz:
http://arxiv.org/abs/2011.12648
Autor:
Stühler, R., Reis, F., Müller, T., Helbig, T., Schwemmer, T., Thomale, R., Schäfer, J., Claessen, R.
Topological quantum matter is characterized by non-trivial global invariants of the bulk which induce gapless electronic states at its boundaries. A case in point are two-dimensional topological insulators (2D-TI) which host one-dimensional (1D) cond
Externí odkaz:
http://arxiv.org/abs/1901.06170
Akademický článek
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Autor:
Scholz, M. R., Rogalev, V. A., Dudy, L., Reis, F., Adler, F., Aulbach, J., Collins-McIntyre, L. J., Duffy, L. B., Yang, H. F., Chen, Y. L., Hesjedal, T., Liu, Z. K., Hoesch, M., Muff, S., Dil, J. H., Schäfer, J., Claessen, R.
Publikováno v:
Phys. Rev. B 97, 075101 (2018)
We report on the electronic structure of the elemental topological semimetal $\alpha$-Sn on InSb(001). High-resolution angle-resolved photoemission data allow to observe the topological surface state (TSS) that is degenerate with the bulk band struct
Externí odkaz:
http://arxiv.org/abs/1711.10809
Autor:
Schütz, P., Christensen, D. V., Borisov, V., Pfaff, F., Scheiderer, P., Dudy, L., Zapf, M., Gabel, J., Chen, Y. Z., Pryds, N., Rogalev, V. A., Strocov, V. N., Schlueter, C., Lee, T. -L., Jeschke, H. O., Valentí, R., Sing, M., Claessen, R.
Publikováno v:
Physical Review B (Rapid Communications), Vol. 96, p.161409(R), 2017
The spinel/perovskite heterointerface $\gamma$-Al$_2$O$_3$/SrTiO$_3$ hosts a two-dimensional electron system (2DES) with electron mobilities exceeding those in its all-perovskite counterpart LaAlO$_3$/SrTiO$_3$ by more than an order of magnitude desp
Externí odkaz:
http://arxiv.org/abs/1710.05574