Pal, Sukanya; Grover, Shivani; HARNAGEA, LUMINITA; TELANG, PRACHI; SINGH, ANUPAM KUMAR; Muthu, D. V. S.; Waghmare, U. V.; Sood, A. K.
(American Physical Society, 2020-11)
Ta 2 NiSe 5 is an excitonic insulator (EI) exhibiting bound electron-hole pairs condensed at room temperature, which transforms to a small-gap semiconducting state above T= 325 K simultaneously undergoing a phonon-related ...