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Charge‐Density‐Wave Domain Originated Altshuler‐Aronov‐Spivak Effect in 1T‐TaS 2 Single Crystal
Author(s) -
Isa T.,
Sasaki M.,
Wu G.R.,
Isobe Y.,
Gao W.X.,
Ozaki H.
Publication year - 2002
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/1521-3951(200202)229:3<1111::aid-pssb1111>3.0.co;2-j
Subject(s) - triclinic crystal system , charge density wave , condensed matter physics , hexagonal crystal system , crystal (programming language) , phase (matter) , relaxation (psychology) , thermoelectric effect , physics , materials science , chemistry , crystal structure , crystallography , superconductivity , quantum mechanics , psychology , social psychology , computer science , programming language
We have performed photo‐induced “transient thermoelectric effect (TTE)” experiments for charge‐density‐wave (CDW) material 1T‐TaS 2 single crystals in hexagonal and triclinic nearly commensurate phases up to 5 T. The TTE voltages decay with the characteristic relaxation times τ 1 , τ 2 , and τ 3 . τ 1 and τ 2 in the hexagonal phase oscillate with magnetic field B , while those in the triclinic phase are independent of B . The oscillatory phenomenon is interpreted by the Altshuler‐Aronov‐Spivak effect around the hexagonal arrays of commensurate CDW domains.