Thermal Expansion of Potassium Nitrate Films

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概要

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• The principle of two terminal capacitance method has been adopted for the measurement of coefficient of linear thermal expansion of melt-casted polycrystalline films of potassium nitrate. The thermal expansion behaviour resembles closely with the bulk properties. The correction due to areal expansion of electrode film has been incorporated to evaluate true value of linear thermal expansion coefficient from the observed measurement. The thermal expansion anomalies at the two temperatures reveal the ferroelectric region in the cooling cycle. The narrow range of ferroelectric region is due to stress conditions of the sample film. The observations of the distinct changes in the value of α at transition temperatures have been discussed.

• 社団法人応用物理学会の論文
• 1981-03-05

著者

• TIWARY H.V.

  Physics Department, Ravishankar University

• SAO G.D.

  Physics Department, Ravishankar University

関連論文

• Thermal Expansion of Potassium Nitrate Films

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