Ultrafast Dynamics of Reversibly Photoinduced Neutral-Ionic Transition in Tetrathiafulvalene-Chloranil Single Crystals

被引：0
|
作者：
Akimoto, Katsuya [1 ]
Takahashi, Yosuke [1 ]
Koshihara, Shin-Ya [1 ]
Minami, Fuji [1 ]
Tokura, Yoshinori [2 ,3 ]
Koda, Takao [4 ]
机构：
[1] Tokyo Inst Technol, Dept Appl Phys, Meguro Ku, Tokyo 152, Japan
[2] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 113, Japan
[3] JRCAT, Tsukuba, Ibaraki 305, Japan
[4] Japan Womens Univ, Dept Math & Phys Sci, Tokyo 112, Japan
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1998年 / 314卷
关键词：
photoinduced phase transition; neutral-ionic transition; ultra-fast dynamics; domain-wall;
D O I：
10.1080/10587259808042463
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We report that bi-directional neutral-ionic (N-I) phase transition in the single crystal of tetrathiafulvalene-chloranil (TTF-CA) can be triggered by pulsed laser excitation with 100 femto-second width. The excitation intensity dependence of the dynamics of N-I domain-wall indicates that cooperative electron-lattice and/or electron-electron interactions play a key role in the driving mechanism of N-I photoinduced phase transition.
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收藏
页码：101 / 106
页数：6
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