Competing energetic states in γ-Fe2WO6 with strong spin-charge-lattice coupling

被引：0

作者：

Sretenovic, M. ^{[1
]}

Okamoto, S. ^{[2
]}

Peiker, G. ^{[1
,3
,6
]}

Tang, T. X. ^{[1
]}

Zhang, H. ^{[1
]}

Xu, C. Q. ^{[1
]}

Heitmann, T. W. ^{[4
]}

Zhang, Q. ^{[5
]}

dela Cruz, C. R. ^{[5
]}

Ke, X. ^{[1
]}

机构：

[1] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[2] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA

[3] Skyline High Sch, Sammamish, WA 98075, Australia

[4] Univ Missouri, Missouri Res Reactor, Columbia, MO 65211 USA

[5] Oak Ridge Natl Lab, Neutron Scattering Div, Oak Ridge, TN 37831 USA

[6] Univ Calif San Diego, Dept Chem & Biochem, San Diego, CA 92093 USA

来源：

PHYSICAL REVIEW B | 2021年 / 104卷 / 13期

关键词：

MAGNETIC-STRUCTURES; FE2WO6; TUNGSTATE; OXIDE;

D O I：

10.1103/PhysRevB.104.134413

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report magnetic and electronic properties of gamma-Fe2WO6 via neutron powder-diffraction measurements and first-principles density-function theory calculations. We reveal a magnetic ground state with two phases coexisting in which the minor phase is the same as an earlier report [Pinto et al., Acta Crystallogr., Sect. A 33, 663 (1977).], despite the fact that both materials studied have the same space group but with slightly different atomic positions. Interestingly, both magnetic phases are well captured by first-principles calculations. Furthermore, we show that these two magnetic phases are correlated with electronic properties, with one being insulating and the other being metallic. These features suggest that gamma-Fe2WO6 exhibits competing energetic states in which spin, charge, and lattice degrees of freedom are strongly coupled to each other.

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页数：7

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