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Electrical resistivity and the phase transition temperatures ofTi1− xHfxSe2mixed crystals

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
32
Issue
8
Identifiers
DOI: 10.1016/0038-1098(79)90727-0

Abstract

Abstract The onset temperature of the superlattice T c developed in the mixed system Ti 1- x Hf x Se 2 is determined from measurements of the electrical resistivity. As x is increased, the onset temperature T c reaches the maximum around x≅0.07 before the superlattice formation is completely suppressed around x≅0.35. The functional dependence of T c ( x) can be interpreted by considering TiSe 2 as an excitonic insulator.

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