Paper Title:
Features of Crystal Structure and Ferroelectric Phase Transitions of KTiOPO4 Doped with Nb and Sb
  Abstract

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, S. Y. Stefanovich, S.-G. Eriksson, V.I. Voronkova, T.Y. Losevskaya, V.K. Yanovskii, R. Tellgren, H. Rundlöf, "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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