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Fluctuation of the charge density wave in TTF–TCNQ under high pressure

Temperature dependence of the resistivity of TTF–TCNQ along the b-(1D)- and a-axes was studied under hydrostatic pressure up to 8GPa. A striking contrast was seen between the b-(1D)- and a-axes in the power-law dependence of resistivity ρ=ρ0Tα in the metallic region as well as the activation energy...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2009-03, Vol.404 (3-4), p.373-375
Main Authors: Murata, Keizo, Weng, Yufeng, Seno, Yuki, Rani Tamilselvan, Natarajan, Kobayashi, Kensuke, Arumugam, Sonachalam, Takashima, Yusaku, Yoshino, Harukazu, Kato, Reizo
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Language:English
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Summary:Temperature dependence of the resistivity of TTF–TCNQ along the b-(1D)- and a-axes was studied under hydrostatic pressure up to 8GPa. A striking contrast was seen between the b-(1D)- and a-axes in the power-law dependence of resistivity ρ=ρ0Tα in the metallic region as well as the activation energy in the charge density wave (CDW) insulating state. We note that the careful terminal configuration is essentially important to obtain these properties.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2008.11.024