Collective charge response in the weak ferromagnetic phase of κ-(BEDT-TTF)2Cu[N(CN)2]Cl

被引：0

作者：

Pinteric, M

Biskup, N

Tomic, S

Schweitzer, D

Strunz, W

Heinen, I

机构：

[1] Univ Zagreb, Inst Phys, HR-10000 Zagreb, Croatia

[2] Univ Maribor, Fac Civil Engn, SI-2000 Maribor, Slovenia

[3] Univ Stuttgart, Inst Phys, D-70550 Stuttgart, Germany

[4] Univ Heidelberg, Inst Anorgan Chem, D-69120 Heidelberg, Germany

来源：

SYNTHETIC METALS | 1999年 / 103卷 / 1-3期

关键词：

organic superconductors; transport measurements; magnetic phase transitions;

D O I：

10.1016/S0379-6779(98)00858-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We summarize the main features of the low frequency dielectric relaxation observed below 30K: in the weak ferromagnetic start of kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]Cl. The observed width of the: relaxation process is somewhat broader than for a Debye process and has a moderate strength of about 3.10(3). The mean relaxation time, which is much larger than expected for single particle excitations, is thermally activated in a manner similar to the de conductivity and saturates below the antiferromagnetic phase transition. A charged domain wall in a random ferromagnetic domain structure is proposed as the relaxation entity.

引用

页码：1937 / 1937

页数：1

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