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Oxygen Vacancy Induced Flat Phonon Mode at FeSe /SrTiO(3) interface

A high-frequency optical phonon mode of SrTiO(3) (STO) was found to assist the high-temperature superconductivity observed recently at the interface between monolayer FeSe and STO substrate. However, the origin of this mode is not clear. Through first-principles calculations, we find that there is a...

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Detalles Bibliográficos
Autores principales: Xie, Yun, Cao, Hai-Yuan, Zhou, Yang, Chen, Shiyou, Xiang, Hongjun, Gong, Xin-Gao
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4464289/
https://www.ncbi.nlm.nih.gov/pubmed/26067548
http://dx.doi.org/10.1038/srep10011