Antiferroelectric distortion with anomalous phonon softening in the excitonic insulator Ta 2 NiSe 5
作者： Akitoshi Nakano , Takumi Hasegawa , Shinya Tamura , Naoyuki Katayama , Satoshi Tsutsui
DOI: 10.1103/PHYSREVB.98.045139
关键词: Condensed matter physics 、 Peierls transition 、 Antiferroelectricity 、 Phonon 、 Toroidal moment 、 Physics 、 Electric dipole moment 、 Density functional theory 、 Scattering 、 Coulomb
摘要: … ered integral to realizing the EI phase in Ta2NiSe5 [18,19]. More … (XRD) measurements of Ta2NiSe5 just above the structure … and optical phonon modes in Ta2NiSe5. Since the space …
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