A calculation of the contribution of a bulk specimen's nonuniform demagnetizing field to the inhomogeneous broadening of magnetic resonance lines is described. Demagnetization effects are of particular importance for substances with large bulk magnetic susceptibilities located in large static magnetic fields. Application is made to the nuclear acoustic resonance of ¹⁸³W spins in a bulk cylindrical specimen of tungsten. In addition to explaining the observed inhomogeneous line broadening, the calculation predicts a "satellite" line which is also observed experimentally. Although attention is paid to specifically acoustic considerations, the calculation is applicable to magnetic resonance in general.
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Mozurkewich et al. (1979) studied this question.
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