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Uniaxial strain, having a larger number of irreducible components, yields in principle more information than its hydrostatic counterpart. It has, however, the drawback that its magnitude is limited by sample fracture. We discuss the methods of application of uniaxial stress to solid samples for the purpose of performing spectroscopic measurements. We then present some of the highlights of such measurements, concerning phonons and electronic states in semiconductors.
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M. Cardona (1996) studied this question.
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