Mysterious Charge Ordering on θ-(BEDT-TTF)2RbZn(SCN)4

被引：3
|
作者：
Takeno, Tsuyoshi [1 ]
Kobayashi, Kei [1 ]
Nishio, Yutaka [1 ]
Kajita, Koji [1 ]
Mori, Hatsumi [2 ]
Nakamura, Toshikazu [3 ]
机构：
[1] Toho Univ, Dept Phys, Fac Sci, Miyama 2-2-1, Funabashi, Chiba 2748510, Japan
[2] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
[3] Inst Mol Sci, Okazaki, Aichi 4448585, Japan
来源：
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 4: QUANTUM PHASE TRANSITIONS AND MAGNETISM | 2009年 / 150卷
基金：
日本学术振兴会;
关键词：
STRUCTURAL PHASE-TRANSITION;
D O I：
10.1088/1742-6596/150/4/042201
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
We have performed thermal studies of a charge disproportionation induced metal-insulator transition in theta-(BEDT-TTF)(2)RbZn(SCN)(4) system. We have detected a sharp peak in a heating process and a broad hump in a cooling process with a remarkable hysteresis. This peculiar transition could be easily suppressed by a rapid-cooling. In the successive heating process, system shows a reentrant metal-insulator-metal transition. At the transition, a drastic lattice modulation brings about this mysterious first order phase transition accompanying a notable hysteresis and the rapid-cooling effect.
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页数：4
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