Determining selected quadratic coefficients in noncentrosymmetric crystals
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Updated: Aug 9, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
Mike Melnichuk1, Lowell T Wood
1Department of Physics, University of Houston, Texas 77204, USA.
Abstract:
We present a systematic theoretical examination concerning the practical possibility of measuring components of the quadratic symmetry tensors for solid materials lacking inversion symmetry. We show that information concerning the quadratic effects in noncentrosymmetrical crystals can be obtained directly by methods that allow for the bypassing of the coexisting dominant linear effects. Here, we deal only with the particular case of the electro-optic effect; however, the results and conclusions are also valid for the elasto-optic effects.
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