Interface-Induced High-Temperature Superconductivity in Single Unit-Cell FeSe Films on SrTiO3

@inproceedings{Wang2012InterfaceInducedHS,
  title={Interface-Induced High-Temperature Superconductivity in Single Unit-Cell FeSe Films on SrTiO3},
  author={Qing-yan Wang and Zhi Li and Wen-hao Zhang and Zuocheng Zhang and Jin-Song Zhang and Wei Li and Hao Ding and Yunbo Ou and Peng Deng and Kai Chang and Jing Wen and C. Song and Ke He and Jin-feng Jia and Shuai-hua Ji and Yayu Wang and Lili Wang and Xi Chen and Xucun Ma and Qi-kun Xue},
  year={2012}
}
  • Qing-yan Wang, Zhi Li, +17 authors Qi-kun Xue
  • Published 2012
  • Physics
  • We report high transition temperature superconductivity in one unit-cell (UC) thick FeSe films grown on a Se-etched SrTiO3 (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 microscopy (STM) suggest that the superconductivity of the 1 UC FeSe films could occur around 77 K. The control transport measurement shows that the onset superconductivity temperature is well above 50 K… CONTINUE READING

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