Electric-pulse-driven electronic phase separation, insulator-metal transition, and possible superconductivity in a Mott insulator

被引：66

作者：

Vaju, Cristian ^{[1
]}

Cario, Laurent ^{[1
]}

Corraze, Benoit ^{[1
]}

Janod, Etienne ^{[1
]}

Dubost, Vincent ^{[2
]}

Cren, Tristan ^{[2
]}

Roditchev, Dimitri ^{[2
]}

Braithwaite, Daniel ^{[3
]}

Chauvet, Olivier ^{[1
]}

机构：

[1] Univ Nantes, CNRS, Inst Mat Jean Rouxel IMN, F-44322 Nantes 3, France

[2] Univ Paris 06, CNRS UMR 75 88, INSP, F-75015 Paris, France

[3] CEA, SPSMS, INAC, F-38054 Grenoble, France

来源：

ADVANCED MATERIALS | 2008年 / 20卷 / 14期

关键词：

D O I：

10.1002/adma.200702967

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Experimental evidence of a nonvolatile electric-pulse-induced insulator-tometal transition and possible superconductivity in the Mott insulator GaTa4Se8 is reported. Scanning tunneling microscopy experiments show that this unconventional response of the system to short electric pulses arises from a nanometer-scale electronic phase separation generated in the bulk material (see figure).

引用

页码：2760 / +

页数：7

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