Thermoelectric calculations of ring-shaped bands in two-dimensional Bi$_2$Te$_3$, Bi$_2$Se$_3$ and Sb$_2$Te$_3$: a comparison of simple scattering approximations

Cameron Rudderham
Cameron Rudderham
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Abstract:

Materials with ring-shaped electronic bands are promising thermoelectric candidates, since their unusual dispersion shape is predicted to give large power factors. While previous calculations of these materials have relied on the assumption of a constant mean-free-path or relaxation time, recent first-principles modeling of electron-pho...More

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