Electronic localization in momentum space during charge density wave phase transitions in 1T-TaS2

被引：3
|
作者：
Boehme, M [1 ]
Kipp, L [1 ]
Skibowski, M [1 ]
机构：
[1] Univ Kiel, Inst Expt & Angew Phys, D-24098 Kiel, Germany
来源：
SOLID STATE COMMUNICATIONS | 1999年 / 112卷 / 02期
关键词：
surfaces and interfaces; electronic states (localized); phase transitions; photoelectron spectroscopies;
D O I：
10.1016/S0038-1098(99)00250-1
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
An investigation of the temperature dependence of the photoelectron angular distribution of the layered transition metal dichalcogenide 1T-TaS2 around the Fermi level reveals the strong influence of the charge density wave (CDW) phase transitions on the electronic states. Measurements of the k-resolved photoemission intensity distributions in the different phases allow an identification of photoemission intensity redistributions upon phase transitions in the entire k-space. Upon transition from the nearly commensurate to the commensurate: CDW phase, the localization of lower Hubbard band electrons is directly illustrated. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：101 / 104
页数：4
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