Index of refraction in ‘dirty’ displacive ferroelectrics |
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| Authors: | Gerald Burns B.A. Scott |
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| Affiliation: | IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598, U.S.A. |
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| Abstract: | We report measurements of the optic index of reflection as a function of temperature, n(T), for several highly disordered ferroelectrics: PLZT ceramic [Pb1?xLax(Zr0.65Ti0.35)1?x/4O3 where x = 0.08] and single crystals of Pb3(MNb2)O9 where M = Zn and Mg. The results are qualitatively different from the unusual displacive ferroelectric behavior and the difference is clearly due to local disorder. |
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