Zero-gap semiconductor to excitonic insulator transition in Ta2NiSe5

The nature of an insulating phase in Ta2NiSe5 is an open question. Here, Lu et al. report transport, thermodynamic and optical evidences being fully consistent with an excitonic insulator phase in this material.

Bibliographic Details
Main Authors: Y. F. Lu, H. Kono, T. I. Larkin, A. W. Rost, T. Takayama, A. V. Boris, B. Keimer, H. Takagi
Format: Article
Language:English
Published: Nature Publishing Group 2017-02-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/ncomms14408