Suppression of antiferroelectricity in TiSe2 by excess carriers
作者： R. M. White , G. Lucovsky
DOI: 10.1007/BF02723497
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摘要: Analysis of the optical reflectivity spectra TiSe2 at room temperature shows that lattice polarizabilityet* as well electronic polarizability ɛ∞ are unusually large. This suggests to us phase transition atT0=200 K is a phonon-driven antiferroelectric transition. The properties such soft-mode in semi-metal investigated. It found excess carriers suppress and resistivity varies |T−T0|−1.
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