Elastic properties of linear charge density wave materials in the regime of nonlinear conduction

George Mozurkewich; P. M. Chaikin; W. G. Clark; G. Grüner

doi:10.1016/0038-1098(85)90023-7

Elastic properties of linear charge density wave materials in the regime of nonlinear conduction

George Mozurkewich, P. M. Chaikin, W. G. Clark, G. Grüner

Research output: Contribution to journal › Article › peer-review

Abstract

The Young's moduli E of TaS₃, (TaSe₄)₂I, and NbSe₃ are found to soften when the samples are subjected to voltages V in excess of the threshold V_T for nonlinear electrical conduction by sliding charge density waves. The voltage dependences of E are similar to the voltage dependences of the differential resistance and of the dielectric constant. The difference in stiffness for V < V_T and V >> V_T is ascribed to decoupling of distortions of the charge density wave from those of the underlying lattice.

Original language	English (US)
Pages (from-to)	421-424
Number of pages	4
Journal	Solid State Communications
Volume	56
Issue number	5
DOIs	https://doi.org/10.1016/0038-1098(85)90023-7
State	Published - Nov 1985

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

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10.1016/0038-1098(85)90023-7

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title = "Elastic properties of linear charge density wave materials in the regime of nonlinear conduction",

abstract = "The Young's moduli E of TaS3, (TaSe4)2I, and NbSe3 are found to soften when the samples are subjected to voltages V in excess of the threshold VT for nonlinear electrical conduction by sliding charge density waves. The voltage dependences of E are similar to the voltage dependences of the differential resistance and of the dielectric constant. The difference in stiffness for V < VT and V >> VT is ascribed to decoupling of distortions of the charge density wave from those of the underlying lattice.",

author = "George Mozurkewich and Chaikin, {P. M.} and Clark, {W. G.} and G. Gr{\"u}ner",

note = "Funding Information: Acknowledgments. -- We acknowledge helpful discussions with T. Holstein, S. Putterman, H.-B. Schuttler, and S. Takada. This work was supported by NSF grants DHR 84-06896 (G.M. and G.G.), DHR 82-05810 (P.M.C.), and DBR 84-09390 (W.G.C.).",

year = "1985",

month = nov,

doi = "10.1016/0038-1098(85)90023-7",

language = "English (US)",

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pages = "421--424",

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T1 - Elastic properties of linear charge density wave materials in the regime of nonlinear conduction

AU - Mozurkewich, George

AU - Chaikin, P. M.

AU - Clark, W. G.

AU - Grüner, G.

N1 - Funding Information: Acknowledgments. -- We acknowledge helpful discussions with T. Holstein, S. Putterman, H.-B. Schuttler, and S. Takada. This work was supported by NSF grants DHR 84-06896 (G.M. and G.G.), DHR 82-05810 (P.M.C.), and DBR 84-09390 (W.G.C.).

PY - 1985/11

Y1 - 1985/11

N2 - The Young's moduli E of TaS3, (TaSe4)2I, and NbSe3 are found to soften when the samples are subjected to voltages V in excess of the threshold VT for nonlinear electrical conduction by sliding charge density waves. The voltage dependences of E are similar to the voltage dependences of the differential resistance and of the dielectric constant. The difference in stiffness for V < VT and V >> VT is ascribed to decoupling of distortions of the charge density wave from those of the underlying lattice.

AB - The Young's moduli E of TaS3, (TaSe4)2I, and NbSe3 are found to soften when the samples are subjected to voltages V in excess of the threshold VT for nonlinear electrical conduction by sliding charge density waves. The voltage dependences of E are similar to the voltage dependences of the differential resistance and of the dielectric constant. The difference in stiffness for V < VT and V >> VT is ascribed to decoupling of distortions of the charge density wave from those of the underlying lattice.

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Elastic properties of linear charge density wave materials in the regime of nonlinear conduction

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