Angular dependent cyclotron resonance in short period (GaAs) /(AlAs) superlattices

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Abstract Cyclotron resonance (CR) measurements have been carried out to evaluate the effective masses of electrons at the AlAsX point of the Brillouin zone in short period (GaAs)n/(AlAs)n superlattices (SLs) with n = 8–14. The longitudinal effective mass was deduced to be m1 = 1.04m0 by analyzing a deviation of CR position from the cos φ-dependence for tilted magnetic fields in (GaAs)14/(AlAs)14 SL.

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