Electronic chirality in the metallic ferromagnet Fe1/3TaS2

被引：13

作者：

Fan, S. ^{[1
]}

Manuel, I. ^{[2
]}

al-Wahish, Amal ^{[3
]}

O'Neal, K. R. ^{[3
]}

Smith, K. A. ^{[3
]}

Won, C. J. ^{[4
,5
]}

Kim, J. W. ^{[6
,7
]}

Cheong, S. -W. ^{[4
,5
,6
,7
]}

Haraldsen, J. T. ^{[2
]}

Musfeldt, J. L. ^{[1
,3
]}

机构：

[1] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

[2] Univ North Florida, Dept Phys, Jacksonville, FL 32224 USA

[3] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA

[4] Pohang Univ Sci & Technol, Lab Pohang Emergent Mat, Pohang 790784, South Korea

[5] Pohang Univ Sci & Technol, Max Plank POSTECH Ctr Complex Phase Mat, Pohang 790784, South Korea

[6] Rutgers State Univ, Rutgers Ctr Emergent Mat, Piscataway, NJ 08854 USA

[7] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA

来源：

PHYSICAL REVIEW B | 2017年 / 96卷 / 20期

关键词：

MAGNETIC-PROPERTIES; TANTALUM DICHALCOGENIDES; TRANSPORT-PROPERTIES; TRANSITION; 2H-TAS2; ORDER; INTERFACES; 2H-NBS2; NIOBIUM;

D O I：

10.1103/PhysRevB.96.205119

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We bring together optical spectroscopy and first-principles calculations to reveal the electronic properties of the chiral ferromagnet Fe1/3TaS2. Signatures of chirality are superimposed upon a complex free-carrier response that emanates from both Ta and Fe bands. These include a honeycomb charge density pattern in the Fe layer and a hole -> electron pocket crossover at the K point, low-energy excitations between spin split bands that cross the Fermi surface, and clustered rather than well-separated on-site and charge-transfer excitations. These findings advance the understanding of intercalation and symmetry breaking on the fundamental excitations in metallic chalcogenides.

引用

页数：6

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