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Title: Transport and thermodynamic properties of quasi-two-dimensional purple bronzes A0.9Mo6O17 (A=Na, K)
Authors: Xu, Xiaofeng
Yue, Song
Panagopoulos, Christos
Bangura, A. F.
Niu, C. Q.
Greenblatt, M.
Hussey, N. E.
Keywords: DRNTU::Science::Physics::Heat and thermodynamics
Issue Date: 2012
Source: Xu, X., Bangura, A. F., Niu, C. Q., Greenblatt, M., Yue, S., Panagopoulos, C., et al. (2012). Transport and thermodynamic properties of quasi-two-dimensional purple bronzes A0.9Mo6O17 (A=Na, K). Physical Review B, 85(19), 195101-.
Series/Report no.: Physical review B
Abstract: We report a comparative study of the specific heat, electrical resistivity, and thermal conductivity of the quasi-two-dimensional purple bronzes Na0.9Mo6O17 and K0.9Mo6O17, with special emphasis on the behavior near their respective charge-density-wave transition temperatures TP. The contrasting behavior of both the transport and the thermodynamic properties near TP is argued to arise predominantly from the different levels of intrinsic disorder in the two systems. A significant proportion of the enhancement of the thermal conductivity above TP in Na0.9Mo6O17, and to a lesser extent in K0.9Mo6O17, is attributed to the emergence of phason excitations.
DOI: 10.1103/PhysRevB.85.195101
Schools: School of Physical and Mathematical Sciences 
Rights: ©2012 American Physical Society. This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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