Hidden one-dimensional electronic structure and non-Fermi-liquid angle-resolved photoemission line shapes of η-Mo4O11 -: art. no. 035126

被引：11
|
作者：
Gweon, GH
Mo, SK
Allen, JW
Ast, CR
Höchst, H
Sarrao, JL
Fisk, Z
机构：
[1] Univ Michigan, Randall Lab Phys, Ann Arbor, MI 48109 USA
[2] Univ Wisconsin, Ctr Synchrotron Radiat, Stoughton, WI 53589 USA
[3] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA
来源：
PHYSICAL REVIEW B | 2005年 / 72卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.72.035126
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report angle-resolved photoemission spectra (ARPES) of eta-Mo4O11, a layered metal that undergoes two-charge density wave (CDW) transitions at 109 K and 30 K. We have directly observed the "hidden one-dimensional (hidden 1D)" Fermi surface and an anisotropic gap opening associated with the 109 K transition, in agreement with the band theoretical description of the CDW transition. In addition, as in other hidden 1D materials such as NaMo6O17, the ARPES line shapes show certain anomalies, which we discuss in terms of non-Fermi-liquid physics and possible roles of disorder.
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页数：4
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