Orientational disorder and normal-state electronic-transport properties of
- 15 August 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 46 (7) , 4367-4370
- https://doi.org/10.1103/physrevb.46.4367
Abstract
A model proposed for the conduction band of alkali-metal-doped , which allows for experimentally relevant orientational disorder, is further analyzed. Transport properties are calculated by evaluation of Kubo-Greenwood formulas on finite systems. The residual resistivity is close to 400 μΩ cm; the thermal conductivity satisifes the Weidemann-Franz law; and the thermopower varies as the inverse of the conduction bandwidth with a known coefficient, making possible quantitative estimates of the density of states. The comparison with experimental results appears favorable.
Keywords
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