Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Altendorf, S."'
Autor:
Takegami, D., Kuo, C. Y., Kasebayashi, K., Kim, J. -G., Chang, C. F., Liu, C. E., Wu, C. N., Kasinathan, D., Altendorf, S. G., Hoefer, K., Meneghin, F., Marino, A., Liao, Y. F., Tsuei, K. D., Chen, C. T., Ko, K. -T., Günther, A., Ebbinghaus, S. G., Seo, J. W., Lee, D. H., Ryu, G., Komarek, A. C., Sugano, S., Shimakawa, Y., Tanaka, A., Mizokawa, T., Kuneš, J., Tjeng, L. H., Hariki, A.
Publikováno v:
Phys. Rev. X 12, 011017 (2022)
We present a comprehensive study of CaCu$_3$Ru$_4$O$_{12}$ using bulk sensitive hard and soft x-ray spectroscopy combined with local-density approximation (LDA) + dynamical mean-field theory (DMFT) calculations. Correlation effects on both the Cu and
Externí odkaz:
http://arxiv.org/abs/2112.02898
Publikováno v:
APL Materials 8, 071114 (2020)
Relying on the magnetism induced by the proximity effect in heterostructures of topological insulators and magnetic insulators is one of the promising routes to achieve the quantum anomalous Hall effect. Here we investigate heterostructures of Bi$_2$
Externí odkaz:
http://arxiv.org/abs/2006.14914
Autor:
Takegami, D., Kasinathan, D., Wolff, K. K., Altendorf, S. G., Chang, C. F., Hoefer, K., Melendez-Sans, A., Utsumi, Y., Meneghin, F., Ha, T. D., Yen, C. H., Chen, K., Kuo, C. Y., Liao, Y. F., Tsuei, K. D., Morrow, R., Wurmehl, S., Büchner, B., Prasad, B. E., Jansen, M., Komarek, A. C., Hansmann, P., Tjeng, L. H.
Publikováno v:
Phys. Rev. B 102, 045119 (2020)
We have investigated the electronic structure of iridates in the double perovskite crystal structure containing either Ir$^{4+}$ or Ir$^{5+}$ using hard x-ray photoelectron spectroscopy. The experimental valence band spectra can be well reproduced us
Externí odkaz:
http://arxiv.org/abs/2005.11961
Autor:
Pereira, V. M., Wu, C. N., Liu, C. E., Liao, S. -S., Chang, C. F., Kuo, C. -Y., Koz, C., Schwarz, U., Lin, H. -J., Tjeng, C. T. Chen. L. H., Altendorf, S. G.
Publikováno v:
Phys. Rev. Materials 4, 023405, 2020
We have synthesized Fe$_{1+y}$Te thin films by means of molecular beam epitaxy (MBE) under Te-limited growth conditions. We found that epitaxial layer-by-layer growth is possible for a wide range of excess Fe values, wider than expected from what is
Externí odkaz:
http://arxiv.org/abs/2002.09507
Akademický článek
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Autor:
Efimenko, A. K., Hollmann, N., Hoefer, K., Weinen, J., Takegami, D., Wolff, K. K., Altendorf, S. G., Hu, Z., Rata, A. D., Komarek, A. C., Nugroho, A. A., Liao, Y. F., Tsuei, K. -D., Hsieh, H. H., Lin, H. -J., Chen, C. T., Tjeng, L. H., Kasinathan, D.
Publikováno v:
Phys. Rev. B 96, 195112 (2017)
We investigated the electronic structure of the vacancy-ordered 4d-transition metal monoxide NbO (Nb3O3) using angle-integrated soft- and hard-x-ray photoelectron spectroscopy as well as ultra-violet angle-resolved photoelectron spectroscopy. We foun
Externí odkaz:
http://arxiv.org/abs/1709.06738
Publikováno v:
EPL (Europhysics Letters) 117, 47001 (2017)
Samarium has two stable valence states, 2+ and 3+, which coexist in many compounds forming spatially homogeneous intermediate valence states. We study the valence state of samarium when incorporated in a single crystalline EuO thin film which crystal
Externí odkaz:
http://arxiv.org/abs/1701.09171
Autor:
Haupricht, T., Weinen, J., Tanaka, A., Gierth, R., Altendorf, S. G., Chin, Y. -Y., Willers, T., Gegner, J., Fujiwara, H., Strigari, F., Hendricks, A., Regesch, D., Hu, Z., Wu, Hua, Tsuei, K. -D., Liao, Y. F., Hsieh, H. H., Lin, H. -J., Chen, C. T., Tjeng, L. H.
We report on a comparative study of the valence band electronic structure of NiO as bulk material and of NiO as impurity in MgO. From the impurity we have been able to determine reliably the parameters which describe the local correlations, thereby e
Externí odkaz:
http://arxiv.org/abs/1210.6675
Autor:
Wicks, R., Altendorf, S. G., Caspers, C., Kierspel, H., Sutarto, R., Tjeng, L. H., Damascelli, A.
Publikováno v:
Appl. Phys. Lett. 100, 162405 (2012)
We have investigated a method for substituting oxygen with nitrogen in EuO thin films, which is based on molecular beam epitaxy distillation with NO gas as the oxidizer. By varying the NO gas pressure, we produce crystalline, epitaxial EuO_(1-x)N_x f
Externí odkaz:
http://arxiv.org/abs/1204.2861
Autor:
Moon, E. J., Gray, B. A., Kareev, M., Liu, J., Altendorf, S. G., Strigari, F., Tjeng, L. H., Freeland, J. W., Chakhalian, J.
We explore the electrical transport and magneto-conductance in quasi two-dimensional strongly correlated ultrathin films of LaNiO$_{3}$ (LNO) to investigate the effect of hetero-epitaxial strain on electron-electron and electron-lattice interactions
Externí odkaz:
http://arxiv.org/abs/1105.5602