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Electric-Pulse-driven Electronic Phase Separation, Insulator–Metal Transition, and Possible Superconductivity in a Mott Insulator

✍ Scribed by Cristian Vaju; Laurent Cario; Benoit Corraze; Etienne Janod; Vincent Dubost; Tristan Cren; Dimitri Roditchev; Daniel Braithwaite; Olivier Chauvet

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
453 KB
Volume
20
Category
Article
ISSN
0935-9648

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✦ Synopsis

Experimental evidence of a nonvolatile electric-pulse-induced insulator-to-metal transition and possible superconductivity in the Mott insulator GaTa4 Se8 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.

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