Features of Crystal Structure and Ferroelectric Phase Transitions of KTiOPO4 Doped with Nb and Sb

Abstract:

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The evolution of the crystal structures as a function of temperature of the new solid- solution KTiOPO4 (KTP) isomorphs, namely K1-xNbxTi1-xOPO4 and K1-xSbxTi1-xOPO4 have been studied by neutron powder diffraction below and above the ferroelectric phase transition temperatures. On the basis of the experimental data obtained the cation distribution, among the sublattices of this structure, and the distortion of the framework at the phase transition, have been discussed. The possible correlation between the non-linear optical properties and the dominant structural features tailored by compositional variation has also been studied.

Info:

Periodical:

Materials Science Forum (Volumes 443-444)

Edited by:

Yvonne Andersson, Eric J. Mittemeijer and Udo Welzel

Pages:

303-306

DOI:

10.4028/www.scientific.net/MSF.443-444.303

Citation:

S.A. Ivanov et al., "Features of Crystal Structure and Ferroelectric Phase Transitions of KTiOPO4 Doped with Nb and Sb", Materials Science Forum, Vols. 443-444, pp. 303-306, 2004

Online since:

January 2004

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$35.00

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