WebTa2NiSe5 is a semimetal with exciton insulator transition at ~330K. Excitonic insulators are novel material systems exhibiting correlated electronic phases. Condensation of excitons …
Ta2NiSe5: a candidate topological excitonic insulator with multiple ...
WebBoth Ta 2 NiS 5 (D 2h17 -Cmcm; a = 3.415 (1), b = 12.146 (3), c = 15.097 (4)Å) and Ta 2 NiSe 5 (C 2h6 -C2/c; a = 3.496 (1), b = 12.829 (3), c = 15.641 (4)Å; β = 90.53 (1)°) crystallize as layered structures with four formula units per cell. WebSi is diamond structured and crystallizes in the cubic Fd̅3m space group. Si is bonded to four equivalent Si atoms to form corner-sharing SiSi₄ tetrahedra. All Si–Si bond lengths are 2.36 Å. florida why is it a famous place
FePSe3 crystals - 2D magnetic FePSe3 crystals by …
WebApr 1, 2012 · We report temperature-dependent angle-resolved photoemission spectroscopy measurement of Ta 2 NiSe 5 which shows a semiconductor-semiconductor structural phase transition at around 330 K. Characteristically, flat band at the top of the valence band is observed, which is ascribed to the excitonic insulator effect. http://2dmaterialshop.com/pd.jsp?id=1195 WebJun 1, 2024 · The ternary chalcogenide Ta2NiSe5 is a layered material with a direct narrow-band gap (Eg ∼0.33 eV) which possesses greatly potential to broadband photodetectors. Here, high-quality bulk... great wolf lodge gift ideas