Calorimetric and Dilatometric Studies on Successive Phase Transitions in Ferroelastic NH<SUB>4</SUB>BeF<SUB>3</SUB>
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概要
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The specific heat and thermal expansion of NH<SUB>4</SUB>BeF<SUB>3</SUB> were measured. The crystal undergoes successive phase transitions at −22°C, 60°C and 253°C. The transition entropies were deduced from the data of the specific heat to be 0.66 cal/mol·deg for the phase transition at −22°C and 0.40 cal/mol·deg for the ferroelastic phase transition at 60°C, respectively.
- 社団法人 日本物理学会の論文
社団法人 日本物理学会 | 論文
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