Current-induced insulator-metal transition and pattern formation in an organic charge-transfer complex

被引：125

作者：

Kumai, R ^{[1
]}

Okimoto, Y

Tokura, Y

机构：

[1] Joint Res Ctr Atom Technol, Tsukuba, Ibaraki 3050046, Japan

[2] Univ Tokyo, Dept Appl Phys, Tokyo 1130033, Japan

来源：

SCIENCE | 1999年 / 284卷 / 5420期

关键词：

D O I：

10.1126/science.284.5420.1645

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Organic molecular Mott insulators, in which carriers are Localized as a result of the electron correlation, showed nonlinear electric conduction upon application of a high electric field along the molecular stacking axis. The current-driven low-resistive state of potassium 7,7,8,8-tetracyanoquinodimethanane was stabilized down to 2 kelvin, where a metallic path was visible with a microscope. The current flow caused a stripe-like periodic phase-segregation into the carrier-rich and carrier-poor regions along the current path.

引用

页码：1645 / 1647

页数：3

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