Temperature-dependent excitonic superuid plasma frequency evolution in an excitonic insulator, Ta2NiSe5

Seo, YS; Eom, MJ; Kim, JS; Kang, CJ; Min, BI; Hwang, J

Hwang, J (reprint author), Sungkyunkwan Univ, Dept Phys, Suwon 16419, Gyeonggi Do, South Korea.

SCIENTIFIC REPORTS, 2018; 8 ():

Abstract

An interesting van der Waals material, Ta2NiSe5 has been known one of strong excitonic insulator candidates since it has very small or zero bandgap an......

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