A possible internal deformation of the charge ordering and its meta-stability in the organic conductor θ-(BEDT-TTF)2CsZn(SCN)4

被引：13
|
作者：
Kondo, Ryusuke [1 ]
Higa, Mornoka [1 ]
Kagoshima, Seiichi [1 ]
机构：
[1] Univ Tokyo, Dept Basic Sci, Tokyo 1538902, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2007年 / 76卷 / 03期
关键词：
organic conductor; charge disproportionation; charge ordering; theta-(BEDT-TTF)(2)CsZn(SCN)(4); uniaxial strain; non-ohmic transport; pulse response;
D O I：
10.1143/JPSJ.76.033703
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Non-ohmic transport was studied by pulse method in the charge-ordered state of the organic conductor theta-(BEDT-TTF)(2)CsZn(SCN)(4) as controlling the electronic state by uniaxial strain method. It was discovered that the non-ohmic conduction under high electric fields lead to the meta-stable state with a structural modification, where the ohmic resistance was reduced to be smaller than the original. The response of the CO state to pulsed electric fields suggested a possible internal deformation of the ordered charge's lattice.
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页数：3
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