Temperature-Dependent Angle-Resolved Photoemission Spectra of TlInSe2: Manifestations of Incommensurate and Commensurate Phases

被引：19

作者：

Mimura, Kojiro ^{[1
]}

Nogami, Takafumi ^{[1
]}

Abe, Koji ^{[2
]}

Wakita, Kazuki ^{[3
]}

Arita, Masashi ^{[4
]}

Mamedov, Nazim ^{[5
]}

Orudzhev, Guseyn ^{[5
]}

Namatame, Hirofumi ^{[4
]}

Taniguchi, Masaki ^{[4
]}

Taguchi, Yukihiro ^{[1
]}

Ichikawa, Kouichi ^{[1
]}

机构：

[1] Osaka Prefecture Univ, Grad Sch Engn, Dept Math Sci, Sakai, Osaka 5998531, Japan

[2] Osaka Prefecture Univ, Grad Sch Engn, Dept Phys & Elect, Sakai, Osaka 5998531, Japan

[3] Chiba Inst Technol, Dept Elect Elect & Comp Engn, Chiba 2750016, Japan

[4] Hiroshima Univ, HSRC, Hiroshima 7390046, Japan

[5] Azerbaijan Natl Acad Sci, Inst Phys, AZ-1143 Baku, Azerbaijan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2008年 / 47卷 / 10期

关键词：

TlInSe2; one-dimensional material; angle-resolved photoemission spectroscopy; energy band structure; incommensurate phase; commensurate phase;

D O I：

10.1143/JJAP.47.8188

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The energy band structures of the valence band of the TlInSe2 material with a quasi one-dimensional chain structure and a giant Seebeck coefficient at temperatures below 413K were investigated by angle-resolved photoemission spectroscopy at 280 and 50K. The obtained energy bands and the calculated band structure were found to correspond well in main futures. A detailed analysis using both experimental and theoretical data was performed and the obtained results were evident of the presence of the incommensurate phase linked to a certain point on the A line of the Brillouin zone of TlInSe2. A self-consistent picture of the phase transition in TlInSe2 was drawn after discussion using available data for this material. According to this picture, TlInSe2 at 50 K is already a commensurate material while the incommensurate-commensurate phase transition occurs between 280 and 50K. [DOI: 10.1143/JJAP.47.8188]

引用

页码：8188 / 8192

页数：5

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