Barium strontium titanate pyroelectric ceramic prepared from uniform fine grains and preparation method thereof
A technology of pyroelectric ceramics and barium strontium titanate, which is applied in the field of uniform fine-grain barium strontium titanate pyroelectric ceramics and its preparation, can solve problems such as difficulty in obtaining uniform fine-grain BST pyroelectric ceramics, and achieve Solve the effect of large and uneven grain size, uniform grain size and high performance
Inactive Publication Date: 2015-06-17
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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The invention relates to barium strontium titanate pyroelectric ceramic prepared from uniform fine grains and a preparation method thereof. The composition chemical formula of the barium strontium titanate pyroelectric ceramic is (Ba(1-x)Srx) (1-a-b)A(a+b)Ti(1-a-b)FeaMnbO3, wherein x is greater than or equal to 0.20 and smaller than or equal to 0.35, a is greater than 0 and smaller than or equal to 0.01. b is greater than 0 and smaller than or equal to 0.005, and A is selected from Y, Sm and/or La.
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Property | Measurement | Unit |
Average grain size | 3.0 | µm |
Average grain size | <= 3.0 | µm |
Pyroelectric coefficient | 1.25E-7 | c·k/cm² |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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