Photoinduced phase transition in the organic conductor α-(BEDT-TTF)2I3 at temperatures near the metal-insulator phase transition

被引：12

作者：

Iimori, Toshifumi

Naito, Toshio

Ohta, Nobuhiro ^{[1
]}

机构：

[1] Hokkaido Univ, Res Inst Elect Sci, Sapporo, Hokkaido 0600812, Japan

[2] Hokkaido Univ, Div Chem, Fac Sci, Sapporo, Hokkaido 0600810, Japan

[3] Hokkaido Univ, Creat Res Initit Sousei, Sapporo, Hokkaido 0010021, Japan

来源：

CHEMISTRY LETTERS | 2007年 / 36卷 / 04期

关键词：

D O I：

10.1246/cl.2007.536

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Photoirradiation effects on conductivity in the organic salt alpha-(BEDT-TTF)(2)I-3 at temperatures close to the metal-insulator (M-I) phase boundary are investigated using time-resolved measurements of photocurrent. The transient photocurrent at 115 K shows a remarkable persistence at the metallic conductivity and a nonlinear dependence on the light intensity, probably originating from the photoinduced M-I phase conversion in the presence of electric fields.

引用

收藏

页码：536 / 537

页数：2

相关论文

共 18 条

[1] SYNTHESIS, STRUCTURE AND PHYSICAL-PROPERTIES OF A TWO-DIMENSIONAL ORGANIC METAL, DI[BIS(ETHYLENE-DITHIOLO)TETRATHIOFULVALENE] TRIIODIDE, (BEDT-TTF)2+I3- [J].

BENDER, K ;

HENNIG, I ;

SCHWEITZER, D ;

DIETZ, K ;

ENDRES, H ;

KELLER, HJ .

MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1984, 108 (3-4) :359-371

[2]

BUBE RH, 1960, PHOTOCODUCTIVITY SOL

[3] Gigantic photoresponse in 1/4-filled-band organic salt (EDO-TTF)2PF6 [J].

Chollet, M ;

Guerin, L ;

Uchida, N ;

Fukaya, S ;

Shimoda, H ;

Ishikawa, T ;

Matsuda, K ;

Hasegawa, T ;

Ota, A ;

Yamochi, H ;

Saito, G ;

Tazaki, R ;

Adachi, S ;

Koshihara, S .

SCIENCE, 2005, 307 (5706) :86-89

[4] CALORIMETRIC OBSERVATION OF THE METAL-INSULATOR PHASE-TRANSITION IN ALPHA-(BEDT-TTF)2I3 [J].

FORTUNE, NA ;

MURATA, K ;

ISHIBASHI, M ;

TOKUMOTO, M ;

KINOSHITA, N ;

ANZAI, H .

SOLID STATE COMMUNICATIONS, 1991, 79 (03) :265-269

[5] ELECTRONIC EXCITATIONS IN (BEDT-TTF)-SALTS [J].

HELBERG, HW .

BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1987, 91 (09) :899-901

[6] Photoinduced phase transformation in polythiophene [J].

Hosaka, N ;

Tachibana, H ;

Shiga, N ;

Matsumoto, M ;

Tokura, Y .

PHYSICAL REVIEW LETTERS, 1999, 82 (08) :1672-1675

[7] Optically reversed Peierls transition in crystals of Cu(dicyanoquinonediimine)2 [J].

Karutz, FO ;

von Schutz, JU ;

Wachtel, H ;

Wolf, HC .

PHYSICAL REVIEW LETTERS, 1998, 81 (01) :140-143

[8] Photoinduced cooperative charge transfer in low-dimensional organic crystals [J].

Koshihara, S ;

Takahashi, Y ;

Sakai, H ;

Tokura, Y ;

Luty, T .

JOURNAL OF PHYSICAL CHEMISTRY B, 1999, 103 (14) :2592-2600

[9] REVERSIBLE PHOTOINDUCED PHASE-TRANSITIONS IN SINGLE-CRYSTALS OF POLYDIACETYLENES [J].

KOSHIHARA, S ;

TOKURA, Y ;

TAKEDA, K ;

KODA, T .

PHYSICAL REVIEW LETTERS, 1992, 68 (08) :1148-1151

[10] Reversible valence tautomerism induced by a single-shot laser pulse in a cobalt-iron Prussian blue analog [J].

Liu, HW ;

Matsuda, K ;

Gu, ZZ ;

Takahashi, K ;

Cui, AL ;

Nakajima, R ;

Fujishima, A ;

Sato, O .

PHYSICAL REVIEW LETTERS, 2003, 90 (16) :4