Temperature dependence of sound velocities in TTF-TCNQ |
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| Authors: | T Tiedje RR Haering MH Jericho WA Roger A Simpson |
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| Institution: | Department of Physics, University of British Columbia, Vancouver, B.C., Canada;Department of Physics, Dalhousie University, Halifax, N.S., Canada |
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| Abstract: | Measurements of a and b axis sound velocities in TTF-TCNQ single crystals are presented from 0–300K. The Young's modulus is larger in the a than in the b direction. The temperature dependence of the velocity is compared with heat capacity and thermal expansion data. A 1.5% increase in the velocity below 52K is attributed to the freezing out of the conduction electrons. |
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