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http://elar.urfu.ru/handle/10995/102811
Название: | Two-Dimensional Chromium Bismuthate: A Room-Temperature Ising Ferromagnet with Tunable Magneto-Optical Response |
Авторы: | Mogulkoc, A. Modarresi, M. Rudenko, A. N. |
Дата публикации: | 2021 |
Издатель: | American Physical Society |
Библиографическое описание: | Mogulkoc A. Two-Dimensional Chromium Bismuthate: A Room-Temperature Ising Ferromagnet with Tunable Magneto-Optical Response / A. Mogulkoc, M. Modarresi, A. N. Rudenko. — DOI 10.1103/PhysRevApplied.15.064053 // Physical Review Applied. — 2021. — Vol. 15. — Iss. 6. — 064053. |
Аннотация: | We present a density-functional-theory-based study of a two-dimensional phase of chromium bismuthate (CrBi), a previously unknown material with exceptional magnetic and magneto-optical characteristics. Monolayer CrBi is a ferromagnetic metal with strong spin-orbit coupling induced by the heavy bismuth atoms, resulting in a strongly anisotropic Ising-type magnetic ordering with the Curie temperature estimated to be higher than 300 K. The electronic structure of the system is topologically nontrivial, giving rise to a nonzero Berry curvature in the ground magnetic state, leading to the anomalous Hall effect with a conductivity plateau of about 1.5e2/h at the Fermi level. Remarkably, the Hall conductivity and the magneto-optical constant are found to be strongly dependent on the direction of magnetization. Besides, monolayer CrBi demonstrates the polar magneto-optical Kerr effect in the visible and near-ultraviolet spectral ranges with the maximum rotation angles of up to 10 mrad. Our findings suggest that monolayer CrBi is a promising system for practical applications in magneto-optical and spintronic devices. © 2021 American Physical Society. |
Ключевые слова: | BINARY ALLOYS BISMUTH ALLOYS CHROMIUM CHROMIUM ALLOYS DENSITY FUNCTIONAL THEORY ELECTRIC CURRENTS ELECTRONIC STRUCTURE FERROMAGNETIC MATERIALS FERROMAGNETISM MONOLAYERS OPTICAL KERR EFFECT SPIN FLUCTUATIONS SPIN HALL EFFECT ANOMALOUS HALL EFFECTS GROUND MAGNETIC STATE HALL CONDUCTIVITY MAGNETO-OPTICAL MAGNETO-OPTICAL CONSTANT MAGNETO-OPTICAL KERR EFFECTS NEAR ULTRAVIOLET SPINTRONIC DEVICE SPIN ORBIT COUPLING |
URI: | http://elar.urfu.ru/handle/10995/102811 |
Условия доступа: | info:eu-repo/semantics/openAccess |
Идентификатор РИНЦ: | 46895720 |
Идентификатор SCOPUS: | 85108967613 |
Идентификатор WOS: | 000672808800004 |
Идентификатор PURE: | 22193827 |
ISSN: | 23317019 |
DOI: | 10.1103/PhysRevApplied.15.064053 |
Сведения о поддержке: | The authors acknowledge the Ankara University for high performance computing facility through the AYP under Grant No. 17A0443001. This work is supported by the Scientific and Technological Research Council of Turkey (TUBITAK) under Project No. 119F361. The numerical calculations reported in this paper were partially performed at TUBITAK ULAKBIM, High Performance and Grid Computing Center (TRUBA resources). |
Располагается в коллекциях: | Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC |
Файлы этого ресурса:
Файл | Описание | Размер | Формат | |
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2-s2.0-85108967613.pdf | 2,08 MB | Adobe PDF | Просмотреть/Открыть |
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