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Section 7: perovskites (11): experiment

The index of refraction of BaTiO3 above Tc

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Pages 661-664 | Published online: 07 Feb 2011
 

Abstract

We have recently reported measurements of the optic index of refraction, n(T), of BaTiO3 for T>Tc and interpreted the data in terms of dynamic islands of polarization. Here we show that the identical results are obtained in melt grown crystals; the original results were found in flux grown crystals (“butterflys”). These results give a quantitative measure of the square of a polarization above Tc.

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