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A complex according to the present disclosure contains a β-eucryptite crystal phase and a lithium tantalate crystal phase. In a temperature range of 0 to 50° C., a coefficient of thermal expansion calculated for each 1° C. is within 0±1 ppm/K. Calcium is contained in the lithium tantalate crystal phase. The volume ratio of the β-eucryptite crystal phase to the lithium tantalate crystal phase is from 90:10 to 99.5:0.5.
A complex according to the present disclosure contains a β-eucryptite crystal phase and a lithium tantalate crystal phase. In a temperature range of 0 to 50° C., a coefficient of thermal expansion calculated for each 1° C. is within 0±1 ppm/K. Calcium is contained in the lithium tantalate crystal phase. The volume ratio of the β-eucryptite crystal phase to the lithium tantalate crystal phase is from 90:10 to 99.5:0.5.
COMPLEX
IWASHITA SHUZO (author)
2021-10-07
Patent
Electronic Resource
English
Towards Complex Functions from Complex Materials
British Library Online Contents | 2006
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