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http://hdl.handle.net/10397/4983
| Title: | Kinetic electrocaloric effect and giant net cooling of lead-free ferroelectric refrigerants | Authors: | Bai, Y Zheng, G Shi, SQ |
Issue Date: | 15-Nov-2010 | Source: | Journal of applied physics, 15 Nov. 2010, v. 108, no. 10, 104102, p. 1-4 | Abstract: | The electrocaloric effect of BaTiO₃ multilayer thick film structure was investigated by direct measurement using differential scanning calorimeter. The samples show a giant electrocaloric effect of 0.89 J/g under E=176 kV/cm, which also depends on the varying rate of applied field, following a general power-law relation. Based on the large net-cooling (0.37 J/g) resulting from the difference in the varying rates of rising and falling fields, the kinetic electrocaloric effect provides a solution for the design of refrigeration cycle in ferroelectric microrefrigerator. | Keywords: | Barium compounds Cooling Differential scanning calorimetry Ferroelectric ceramics Ferroelectric thin films Multilayers Pyroelectricity Refrigerants |
Publisher: | American Institute of Physics | Journal: | Journal of applied physics | ISSN: | 0021-8979 | EISSN: | 1089-7550 | DOI: | 10.1063/1.3511342 | Rights: | © 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Y. Bai, G. P. Zheng & S. Q. Shi, J. Appl. Phys. 108, 104102 (2010) and may be found at http://link.aip.org/link/?jap/108/104102. |
| Appears in Collections: | Journal/Magazine Article |
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