The functional dependence of the observed de Haas-van Alphen effect in zinc has been compared with the predictions of the free electron theory. The dependence of the period on the magnetic field, and of the amplitude on the temperature appear to be correctly given. However, the predicted dependence of the amplitude on the magnetic field is in disagreement with the experimental results. An empirical formula for the amplitude dependence is given which differs from the free electron formula in that it contains an additional factor of 1/H. This formula is in good agreement with the experimental results.
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Donahoe et al. (1954) studied this question.
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