Galvanomagnetic Investigations of the Bi1-xSbx($0{<}x{<}0.15$) System at 77°K

概要

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The electrical conductivities, the Hall and magnetoresistance coeffcients in Bi97Sb3, Bi90Sb10 and Bi85Sb15 alloy single crystals have been measured at liquid nitrogen temperature. Under the tentative assumptions of independent three valley bands for both the valence and conduction bands and isotropic relaxation times for both holes and electrons for each alloy, a set of three principal electron mobilities $\mu_{i}$, a set of three principal hole mobilities $\nu_{i}$, angles of tilt for each energy ellipsoid, $\theta_{e}$ and $\theta_{h}$, and the carrier density $N$ have been calculated using Freedman-Juretschke's computer calculation technique for each alloy. From the results it seems that the conduction band retains the symmetry and general features of the Bi conduction band.
Physical Society of Japanの論文
1968-02-05