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Cooperative Effect of Electron Correlation and Spin-Orbit Coupling on the Electronic and Magnetic Properties of Ba2NaOsO6 | | H. J. Xiang
; M.-H. Whangbo
; | | Date: |
18 Jan 2007 | | Subject: | Materials Science; Strongly Correlated Electrons | | Abstract: | The electronic and magnetic properties of the cubic double perovskite Ba2NaOsO6 were examined by performing first-principles density functional theory calculations and analyzing spin-orbit coupled states of an Os7+ (d1) ion at an octahedral crystal field. The insulating behavior of Ba2NaOsO6 was shown to originate from a cooperative effect of electron correlation and spin-orbit coupling. This cooperative effect is responsible not only for the absence of orbital ordering in Ba2 NaOsO6 but also for a small magnetic moment and a weak magnetic anisotropy in Ba2NaOsO6. | | Source: | arXiv, cond-mat/0701460 | | Services: | Forum | Review | PDF | Favorites | |
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