Anomalous Metallic State in (TTM-TTP)I3 with a Highly One-Dimensional Half-Filled Band under Pressure beyond 7 GPa

被引：0
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作者：
S. Yasuzuka
Keizo Murata
T. Fujimoto
M. Shimotori
T. Kawamoto
T. Mori
M. Hedo
Y. Uwatoko
机构：
[1] Osaka City University,Department of Material Science, Graduate School of Science
[2] Tokyo Institute of Technology,Department of Organic and Polymeric Materials
[3] The University of Tokyo,Insistute for Solid State Physics (ISSP)
来源：
Journal of Low Temperature Physics | 2006年 / 142卷
关键词：
Metallic State; Metallic Behavior; Nest Effect; Fermi Liquid Theory; Bechgaard Salt;
D O I：
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学科分类号：
摘要：
We demonstrate that the title compound (TTM-TTP)I3 with a highly one-dimensional half-filled band, which shows a metal-insulator (MI) transition around TMI=120 K, is metallized by application of extremely high pressure (P > 7 GPa) using the cubic anvil apparatus. Above 5.7 GPa, the metallic behavior is described by ρ ~ Tα with α ~ 0.3 which is much smaller than the expected value of Fermi liquid theory, α=2. Based on these findings, the driving force of the MI transition is discussed.
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页码：199 / 202
页数：3
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