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Optimization of energy storage density in ceramic capacitors

Fletcher, Neville H.; Hilton, A D; Ricketts, B W


A theoretical treatment, based on the Devonshire theory of ferroelectrics, is presented to describe the storage of electrostatic energy in ferroelectric and paraelectric materials at very high field strengths. In all cases, optimal energy density is achieved by using compositions with Curie temperatures well below the operating temperature. The theory is applied to barium - strontium titanate ceramics and optimal compositions are deduced for energy storage at given working fields. The theory is...[Show more]

CollectionsANU Research Publications
Date published: 1996
Type: Journal article
Source: Journal of Physics D: Applied Physics
DOI: 10.1088/0022-3727/29/1/037


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