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题名: Phase transition behavior in the mixed crystal of pristine and mono-methyl substituted EDO-TTF
作者: Hiramatsu, Takaaki; Murata, Tsuyoshi; Shao, Xiangfeng; Nakano, Yoshiaki; Yamochi, Hideki; Uruichi, Mikio; Yakushi, Kyuya; Tanaka, Koichiro
收录类别: EI
出版日期: 2012-05-01
英文摘要: We report the mixed crystals of pristine and monomethyl substituted EDO-TTF with PF6, [(EDO-TTF)1-x(MeEDO -TTF)x ]2PF6 (x = mole fraction of MeEDO-TTF, x = 0.095, 0.210, 0.345). While three mechanisms of Peierls, charge order (CO), and anion order (AO) transiton concurrently cause the metal-insulator (M-I) transion at about 280 K in the pristine crystal (x = 0), the cooperativity was modulated in the mixed crystals. The mixed crystals of x = 0.095-0.210 showed the M-I transition originated only from Peierls mechanism and that of x = 0.345 did not show the unit cell-doubling down to 100 K. The analysis of anion motion revealed that AO transition does not cooperate with Peierls transition for the mixed crystals with intermediate x. © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
关键词: Ions ; Metal insulator boundaries ; Semiconductor insulator boundaries ; Charge orders ; Cooperativity ; EDO-TTF ; M-I transition ; Metal insulators ; Mixed crystals ; Mole fraction ; Peierls ; Peierls transition ; Transition behavior
作者部门: (1) Research Center for Low Temperature and Materials Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan ; (2) Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan ; (3) State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, China ; (4) Institute for Molecular Science, Okazaki, Aichi 444-8585, Japan ; (5) Toyota Physical and Chemical Research Institute, Aichi-gun, Aichi 480-1192, Japan ; (6) Institute for Integrated Cell-Material Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
通讯作者: Hiramatsu, T. (hiramatsu@kuchem.kyoto-u.ac.jp)
学科分类: Chemistry
会议录: Physica Status Solidi (C) Current Topics in Solid State Physics
卷号: 9
期号: 5
页码: 1155-1157
出版者: WILEY
出版地: WEINHEIM
语种: 英语
DOI: 10.1002/pssc.201100743
ISSN号: 1862-6351
EI记录号: 20121915013339
IR记录号: 20121915013339
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内容类型: 会议论文
URI标识: http://ir.lzu.edu.cn/handle/262010/185198
Appears in Collections:化学化工学院_会议论文

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Hiramatsu, Takaaki,Murata, Tsuyoshi,Shao, Xiangfeng,et al. Phase transition behavior in the mixed crystal of pristine and mono-methyl substituted EDO-TTF[C]. 见:.
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