✦ LIBER ✦
Phase diagram and enhanced piezoelectricity in the strontium titanate doped potassium-sodium niobate solid solution
✍ Scribed by Wang, Ruiping ;Xie, Rong-Jun ;Hanada, Kotaro ;Matsusaki, Kunio ;Bando, Hiroshi ;Itoh, Mitsuru
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 421 KB
- Volume
- 202
- Category
- Article
- ISSN
- 0031-8965
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✦ Synopsis
Abstract
The dielectric and the piezoelectric properties of the (1–x)(Na~0.5~K~0.5~)NbO~3~–__x__SrTiO~3~ ceramics, densified by the Spark‐Plasma‐Sintering method, have been studied. A phase diagram was established from the temperature dependence of the dielectric constant. A tetragonal–orthorhombic morpho‐tropic phase boundary (MPB) was found at x ∼ 0.05. Around the MPB, piezoelectric properties were greatly improved. The origin for the enhanced piezoelectricity has been proposed. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)