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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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Bibliographic Details
Published in:Nature communications 2021-12, Vol.12 (1), p.1-9
Main Authors: Yonghao Yuan, Xuemin Fan, Xintong Wang, Ke He, Yan Zhang, Qi-Kun Xue, Wei Li
Format: Article
Language:English
Online Access:Get full text
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Summary: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.
ISSN:2041-1723
DOI:10.1038/s41467-021-22516-2