Zobrazeno 1 - 10
of 77
pro vyhledávání: '"R Weht"'
Autor:
Marcelo J. Rozenberg, Andrés F. Santander-Syro, E. Frantzeskakis, R. Weht, T. C. Rödel, J. Dai, F. Fortuna
Publikováno v:
Physical Review B: Condensed Matter (1978-1997)
Physical Review B: Condensed Matter (1978-1997), American Physical Society, 2020, ⟨10.1103/PhysRevB.102.075101⟩
Physical Review B
Physical Review B, American Physical Society, 2020, 102 (7), pp.075101. ⟨10.1103/physrevb.102.075101⟩
Physical Review B: Condensed Matter (1978-1997), American Physical Society, 2020, ⟨10.1103/PhysRevB.102.075101⟩
Physical Review B
Physical Review B, American Physical Society, 2020, 102 (7), pp.075101. ⟨10.1103/physrevb.102.075101⟩
It was recently discovered that a conductive, metallic state is formed on the surface of some insulating oxides. Firstly observed on SrTiO$_3$(001), it was then found in other compounds as diverse as anatase TiO$_2$, KTaO$_3$, BaTiO$_3$, ZnO, and als
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02dd530080b406e00a69307cd8a58f39
Autor:
Marc Gabay, R. Weht, T. C. Rödel, P. Le Fèvre, Franck Fortuna, François Bertran, Manali Vivek, Jacek Goniakowski, Andrés F. Santander-Syro
Publikováno v:
Physical Review B. 96
We report the existence of a two-dimensional electron system (2DES) at the $(001)$ surface of ${\mathrm{CaTiO}}_{3}$. Using angle-resolved photoemission spectroscopy, we find a hybridization between the ${d}_{xz}$ and ${d}_{yz}$ orbitals, not observe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ead92d74e6247a89f8f25e233116b8db
https://doi.org/10.1103/physrevb.96.041121
https://doi.org/10.1103/physrevb.96.041121
Publikováno v:
Modern Physics Letters B. 15:1031-1040
We deduce a model relevant for the anomalous metallic state of Sr doped manganites at low temperatures within the ferromagnetic phase. It provides a natural explanation for several anomalous features observed experimentally, such as the small Drude c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0abf14922b8a5f3a01c3191ffdc73036
https://doi.org/10.1142/s0217984901002841
https://doi.org/10.1142/s0217984901002841
Publikováno v:
Physical review letters. 113(8)
The nature of the Mott transition in the absence of any symmetry breaking remains a matter of debate. We study the correlation-driven insulator-to-metal transition in the prototypical 3D Mott system GaTa(4)Se(8), as a function of temperature and appl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::3a35865e9863eb68b5dd1d6d22f19d5b
https://pubmed.ncbi.nlm.nih.gov/25192113
https://pubmed.ncbi.nlm.nih.gov/25192113
Publikováno v:
Physical Review B. 49:14939-14944
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a38b23cfd3bfbad3a24211ad1a7ed06b
https://doi.org/10.1103/physrevb.49.14939
https://doi.org/10.1103/physrevb.49.14939
Autor:
María José Sánchez, Marcelo J. Rozenberg, Pablo Levy, F. Gomez-Marlasca, Carlos Acha, R. Weht
We introduce a model that accounts for the bipolar resistive switching phenomenom observed in transition metal oxides. It qualitatively describes the electric field-enhanced migration of oxygen vacancies at the nano-scale. The numerical study of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66b2bf1290eb9f4f10b719f59db78a22
http://arxiv.org/abs/1001.0703
http://arxiv.org/abs/1001.0703
Publikováno v:
MRS Proceedings. 718
Two perovskite-derived materials, CaCu3Mn4O12, have drawn much recent interest due to their magnetoresistive, dielectric, and mafnetoelectronic characteristics. Here we present initial theoretical insights into each of these points, based on first pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::287a88ff6a821fb38cce488916568c5b
https://doi.org/10.1557/proc-718-d11.2
https://doi.org/10.1557/proc-718-d11.2
Local density functional results are presented for the electron-doped metallochloronitrides A(x)ZrNCl and A(x)HfNCl, A = Li or Na, which superconduct up to 25K. The alkali non-stoichiometry is treated in a virtual crystal approximation. The electroni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a9b3ea7f1698d58863c81e2ae09dc73
Publikováno v:
AIP Conference Proceedings.
We review the reasons that make superconductivity unlikely to arise in a ferromagnet. Then, in light of the report by Tallon and collaborators that RuSr2GdCu2O8 becomes superconducting at approximately 35 K which is well below the Curie temperature o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff93c30ea8ce4239c69c621322eecc88
https://doi.org/10.1063/1.59586
https://doi.org/10.1063/1.59586
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