A method of measuring the uniaxial anisotropy of bubble materials is analyzed. The method consists of observing the in-plane field H∥* at which a stripe domain pattern disappears. Calculations, based on a model with uniaxial anisotropy, are presented which give a relation between H∥* and the uniaxial anisotropy field HK for different values of the characteristic magnetic length. It is shown that H∥* is always smaller than HK owing to the influence of the wall energy and the demagnetizing energy. The calculations are verified experimentally.
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Druyvesteyn et al. (1973) studied this question.
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