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
收藏
页码：1937 / 1937
页数：1
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