Bulletin of the American Physical Society
APS March Meeting 2018
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session G60: Poster Session I
Tuesday, March 6, 2018
LACC Room: West Hall A
Abstract: G60.00363 : Strain effect on the electronic band structure of monolayer FeSe, a First Principle Study.
The high Tc cuprates and iron-based superconductors have been the hotspot of people's research for a long time. More interestingly, a really high Tc has been reached in the monolayer FeSe with the STO substrate, which has the simplest structure in iron-based superconductors. Strain engineering is one of the most convenient method to modify the electronic structure and the Tc. Here, in the framework of First Principle calculations, we studied the band structure evolution of monolayer FeSe under strain effect. The in-plane compressive and tensile strain cause the shift of hole and electronic pocket while layer bend leads to the renormalization of the bands near Fermi level, which are both expected to influence Tc.
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