Impurity Effect on the Inter-Chain Dielectric Response of the CDW Condensate in K0.3MoO3

被引：0

作者：

Maki, Makoto ^{[1
]}

Inoue, Tomoki ^{[1
]}

Tobata, Hitoshi ^{[1
]}

Shu-nan, Masafumi ^{[1
]}

Nishizaki, Terukazu ^{[2
]}

Ichikawa, Fusao ^{[3
]}

机构：

[1] Saga Univ, Dept Phys, Saga 8408502, Japan

[2] Kyushu Sangyo Univ, Dept Elect Engn & Informat Technol, Fukuoka 8138503, Japan

[3] Kumamoto Univ, Dept Phys, Kumamoto 8608555, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2014年 / 83卷 / 12期

关键词：

CHARGE-DENSITY-WAVE; POTASSIUM MOLYBDENUM BRONZE; TRANSITION;

D O I：

10.7566/JPSJ.83.124702

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the effect of impurity on the charge-density-wave (CDW) state via low-frequency dielectric measurements, especially for the inter-chain direction. The extremely high dielectric constant seen in non-doped K0.3MoO3 is strongly reduced by W- or V-doping, demonstrating that the three-dimensional (3D) phase rigidity is an innate characteristic of CDW condensate. In the impurity-doped K0.3MoO3, the 3D rigidity has been lost and the CDW state exhibits a different nature in which the dielectric response of CDW cannot be explained in terms of the screened phason model.

引用

页数：4

共 50 条

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