Incommensurate smectic phase in close proximity to the high-T c superconductor FeSe/SrTiO3

The relation between enhanced superconductivity in monolayer FeSe grown on SrTiO3 and the large nematicity in multilayer FeSe on SrTiO3 remains not well understood. Here, the authors observe a long-range smectic phase in bilayer FeSe films but vanishes in monolayer FeSe, providing a new instability...

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Autores principales: Yonghao Yuan, Xuemin Fan, Xintong Wang, Ke He, Yan Zhang, Qi-Kun Xue, Wei Li
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/8a233d057f3142b89ae86af5929f33bd
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Sumario:The relation between enhanced superconductivity in monolayer FeSe grown on SrTiO3 and the large nematicity in multilayer FeSe on SrTiO3 remains not well understood. Here, the authors observe a long-range smectic phase in bilayer FeSe films but vanishes in monolayer FeSe, providing a new instability to help enhance the superconductivity.