Abstract

The quantum-mechanical treatment of cyclotron resonance in n -type germanium shows that the nonparabolicity of the conduction band has to be included for a satisfying explanation of experimental results concerning the resonance position and line shape. From the analysis of the temperature dependence of the resonance position it is found that a k·p perturbation theory including the L₁ conduction band and the L_3′ valence band yields the correct nonparabolicity. Experimental and calculated line shapes agree very well when using electron concentration and relaxation times obtained from Hall effect and mobility measurements.

© 1977 Optical Society of America

Semiconductor cyclotron resonance: Transport and surface phenomena

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