Interface-Induced High-Temperature Superconductivity in Single Unit-Cell FeSe Films on SrTiO 3

Wang, Qingyan; Li, Zhi; Zhang, Wenhao; Zhang, Zuocheng; Zhang, Jinsong; Li, Wei; Ding, Hao; Ou, Yunbo; Deng, Peng; Chang, Kai; Wen, Jing; Song, Can‐Li; He, Ke; Jia, Jinfeng; Ji, Shuai‐Hua; Wang, Yayu; Wang, Lili; Chen, Xi; Ma, Xu-Cun; Xue, Qi‐Kun

doi:10.1088/0256-307x/29/3/037402

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Interface-Induced High-Temperature Superconductivity in Single Unit-Cell FeSe Films on SrTiO 3

Published in Chinese Physics Letters • Mar 1, 2012

Authors:

Qingyan Wang

Zhi Li

Wenhao Zhang

Abstract

We report high transition temperature superconductivity in one unit-cell (UC) thick FeSe films grown on a Se-etched SrTiO 3 (001) substrate by molecular beam epitaxy (MBE). A superconducting gap as large as 20 meV and the magnetic field induced vortex state revealed by in situ scanning tunneling mic...

Subject

Superconductivity

Interface (matter)

Materials science

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