Composition Dependence of the Anisotropy of the Cyclotron Masses in n‐Type Semiconducting Bi1‐xSbx
- 1 August 1981
- journal article
- research article
- Published by Wiley in Physica Status Solidi (b)
- Vol. 106 (2) , 561-567
- https://doi.org/10.1002/pssb.2221060218
Abstract
The anisotropy of the band‐edge cyclotron masses of n‐type Bi1‐xSbx (0.07 ≦ x ⪅ 0.16) in the binary plane is determined by investigating the wave propagation in the Voigt configuration B ⟂ C2 ‖ k. At low antimony concentrations (x ≤ 0.10) the anisotropy is independent of x. For x > 0.10 a strong change is observed, where at x ≈ 0.15 a distinct maximum is achieved. These peculiarities can be described by a great variation of the model parameters which determine the energy dispersion in the direction of elongation of the Fermi surface.Keywords
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