Order-disorder reactions in the ferroelectric perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3. II. Relation between ordering and properties

Stenger, C.G.F. and Burggraaf, A.J. (1980) Order-disorder reactions in the ferroelectric perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3. II. Relation between ordering and properties. Physica Status Solidi A: Applied research, 61 (2). pp. 653-664. ISSN 0031-8965

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Abstract:	The ordering of the trivalent and pentavalent cations in the perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3 can be varied by suitable heat treatments. The degree as well as the kind of order strongly affects the character of the FE - PE phase transition. A spatially homogeneous disorder leads to a diffuse phase transition whereas a hybrid crystal with a nonhomogeneous disorder shows a sequence of two FE - PE transitions.
Item Type:	Article
Copyright:	© 1980 Wiley InterScience
Link to this item:	http://purl.utwente.nl/publications/70647
Official URL:	http://dx.doi.org/10.1002/pssa.2210610240
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