Charge ordering in a quasi-two dimensional organic conductor

被引：181

作者：

Miyagawa, K ^{[1
]}

Kawamoto, A

Kanoda, K

机构：

[1] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

[2] Hokkaido Univ, Dept Phys, Kita Ku, Sapporo, Hokkaido 0600810, Japan

[3] Japan Sci & Technol Corp, PRESTO, Tokyo, Japan

来源：

PHYSICAL REVIEW B | 2000年 / 62卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.62.R7679

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The first nuclear magnetic resonance (NMR) evidence of charge ordering in a quasi-two-dimensional organic conductor is presented. We have performed C-13 NMR shift and relaxation rate measurements for the organic conductor, theta-(BEDT-TTF)(2)RbZn(SCN)(4), with a quasi-two-dimensional quarter-filled band. Below the metal-insulator transition at 195 K, the NMR spectrum splits into two kinds of lines. The spin shifts and relaxation rates are quite different between the two lines, showing charge disproportionation of 1:6. This result demonstrates a route to the correlation-induced insulator transition in organic conductors.

引用

页码：R7679 / R7682

页数：4

共 13 条

[1]

[Anonymous], [No title captured]

[2] Wigner crystal type of charge ordering in an organic conductor with a quarter-filled band:: (DI-DCNQI)2Ag [J].