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Issue 84, 2019
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Correlation at two-dimensional charge-transfer FeSe interface

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Abstract

The charge transfer and spin coupling effects are explored at the interface of two-dimensional (2D) superconducting FeSe nanosheets and molecular photochromic potassium-7,7,8,8-tetracyanoquinodimethane (KTCNQ). Light-induced conductivity in 2D FeSe nanosheets is enhanced by the electron doping from KTCNQ by the destabilized spin-Peierls phase through their interface. Furthermore, the spin coupling at the interface of FeSe and KTCNQ shifts the dimerization transition temperature of KTCNQ. Our results suggest 2D exfoliated FeSe nanosheets as a versatile strongly correlated platform for the study of interfacial electron doping and spin coupling.

Graphical abstract: Correlation at two-dimensional charge-transfer FeSe interface

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Publication details

The article was received on 08 Aug 2019, accepted on 25 Sep 2019 and first published on 26 Sep 2019


Article type: Communication
DOI: 10.1039/C9CC06163K
Chem. Commun., 2019,55, 12643-12646

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    Correlation at two-dimensional charge-transfer FeSe interface

    Y. Huang, Y. Hu, F. Hu, R. Yang, C. Li, J. N. Armstrong and S. Ren, Chem. Commun., 2019, 55, 12643
    DOI: 10.1039/C9CC06163K

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