One-Directional Grain-Oriented Lead Metaniobate Ceramics
作者： Kunihiro Nagata , Kiyoshi Okazaki
DOI: 10.1143/JJAP.24.812
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摘要: One-directional grain-oriented lead metaniobate ceramics were obtained by a combination of molten salt synthesis and two-stage hot-pressing. The powder characterization the microstructural, dielectric piezoelectric properties measured are discussed here. Long needle-shaped powders prepared at 1050°C for 5h using KCl flux, crystal structure was orthorhombic. Anisotropies about 4 times in permittivities coupling factors found between directions parallel perpendicular to hot-pressing direction uniaxially ceramics.
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