Phase transition in Pb(Li1/4Gd1/4W1/2)O3ceramics
β Scribed by S. Bera; R. N. P. Choudhary
- Publisher
- Springer
- Year
- 1996
- Tongue
- English
- Weight
- 465 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0261-8028
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π SIMILAR VOLUMES
A complete solid solution between relaxor ferroelectric Pb(Fe 2/3 W 1/3 )O 3 (PFW) and ferroelectric PbTiO 3 (PT), (1Ψx)PFW+xPT, was synthesized by a B-site precursor method and characterized by X-ray di4raction, di4erential scanning calorimetry, and dielectric measurements. A phase diagram between
Pb(Sc~ ~Tal \_,)O~ ceramics have been characterized by dielectric measurements in a wide range of frequencies (10 2-10'; Hz). A strong dispersion occurs with two low and high frequency contributions below the transition temperature. Only high frequency relaxation is still observed at high temperatur