Soft optic phonon mode in ferroelectric Pb5Ge3O11

G. Burns; B.A. Scott

doi:10.1016/0375-9601(72)90695-0

Physics Letters A

Paper

08 May 1972

Soft optic phonon mode in ferroelectric Pb₅Ge₃O₁₁

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Abstract

A temperature dependent "soft" optic phonon is found in the ferroelectric Pb5Ge3O11. Other details of the optic phonons that transform as the totally symmetric irreducible representation also are reported. © 1972.

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Tungsten bronze-type crystals grown in molten solutions of the pseudosystem KNbO₃LiNbO₃BaNb₂O₆

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Phonons in CaCuO2

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Abstract

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