I.K. Pour, D.J. Krajnovich, et al.
SPIE Optical Materials for High Average Power Lasers 1992
Paper
Classical behavior of the index of refraction in two ferroelectrics in the high-temperature phase
Abstract
We report very accurate measurements of the optic index of refraction as a function of temperature n(T) of two ferroelectric materials PbTiO3 and Pb5Ge3O11. In sharp contrast to results in BaTiO3, n(T) is linear in the high-temperature centrosymmetric phases. The implications are discussed. © 1982 The American Physical Society.
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