期刊
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY
卷 113, 期 1, 页码 46-49出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.mseb.2004.06.010
关键词
ferroelectrics microcooler; PMN/PT working material; electrocaloric (EC) effect; MEMS
The PMN/PT relaxing ferroelectric solid solution has been derived from a traditional ceramic sintering technique. The measurement device for the EC effect of the working material is designed. The results show that PMN/PT85 material possesses the optimal EC effect and the longer time of keeping temperature. PMN/PT85 ceramic with the thickness of 100 mum takes on the EC maximum, which is about 1.71 K at 18 degreesC and 16 kV/cm depolarization process. The micromation PMN/PT ceramic is hopeful to be the chief candidate working materials for the ferroelectrics MEMS microcooler (FMM) applied near the ambient temperature. (C) 2004 Elsevier B.V. All rights reserved.
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