High pressure transport characteristics of Bi2Te3, Sb2Te3, and BiSbTe3 |
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| Authors: | M.K. Jacobsen S.V. Sinogeikin R.S. Kumar A.L. Cornelius |
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| Affiliation: | 1. High Pressure Science and Engineering Center and Department of Physics and Astronomy, University of Nevada Las Vegas, Las Vegas, NV 89154, United States;2. HPCAT, Geophysical Laboratory, Carnegie Institute of Washington, Argonne, IL 60439, United States |
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| Abstract: | This paper presents ambient and high pressure measurements of transport properties of the Bi2Te3–Sb2Te3 series of materials. The electrical resistivity, thermal conductivity, and Seebeck coefficient have been measured on both end compounds and the direct solid solution of the two at pressure up to 10 GPa. An additional discussion involving the high pressure structure will be presented. From this, it was determined that these materials undergo at least two structural phase transitions between 0 and 20 GPa and a discussion is presented regarding this and the changes in the transport properties. |
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