Physical properties of (1-x)K0.5Na0.5NbO3-(x/5)NaK2Li2Nb5O15 composite ceramics
Alkaline niobate ANbO(3) (A = K, Li and Na) ceramics were fabricated into the composites of K0.5Na0.5NbO3 (KNN) and NaK2Li2Nb5O15 (NKLN) phases. The NKLN phase was composed of completely filled tetragonal tungsten-bronze and LiNbO3 structures. The (1 - x)KNN-(x/5)NKLN composite ceramics displayed alloy effects with changing x. The NKLN phase was expected to be solidified into the KNN phase through the liquidus-solidus curve of the (1 - x)KNN-(x/5)NKLN composite ceramics. The (1-x)KNN-(x/5)NKLN composite ceramics showed the ferroelectric distortions with orthorhombic symmetry. We discussed the ferroelectric and dielectric properties of the (1-x)KNN-(x/5)NKLN composite ceramics.
- Publisher
- IOP PUBLISHING LTD
- Issue Date
- 2010-05
- Language
- English
- Article Type
- Article; Proceedings Paper
- Citation
PHYSICA SCRIPTA, v.T139
- ISSN
- 0031-8949
- Appears in Collection
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