Specific heat of a Ferroelectric PZT Ceramic at the Morphotropic Phase Boundary

被引：0
|
作者：
Lang, S. B. [1 ]
Lashley, J. C. [2 ]
Modic, K. A. [2 ]
Fisher, R. A. [3 ]
Zhu, W. M. [4 ,5 ]
Ye, Z. G. [4 ,5 ]
机构：
[1] Ben Gurion Univ Negev, Dept Chem Engn, IL-84105 Beer Sheva, Israel
[2] Los Alamos Natl Lab, Los Alamos, NM USA
[3] Lawrence Berkeley Natl Lab, Berkeley, CA USA
[4] Simon Fraser Univ, Dept Chem, Burnaby, BC, Canada
[5] Simon Fraser Univ, 4D Labs, Burnaby, BC, Canada
来源：
PROCEEDINGS OF THE 2010 IEEE INTERNATIONAL CONFERENCE ON SOLID DIELECTRICS (ICSD 2010) | 2010年
关键词：
CAPACITY;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Ferroelectric ceramic materials have a wide range of applications because of their piezoelectric and pyroelectric properties. One of their most important physical properties is the specific heat. In this study, the specific heats of a series of lead-zirconate-titanate (PZT) compositions in the vicinity of the morphotropic phase boundary (MPB) were measured. The temperature range was from 1.8 to 300 K. It is believed that these are the lowest temperature measurements ever made on PZT. Differences between the specific heats of the different compositions were very small. However, the calculated Debye temperatures were slightly different. The results are useful in computing design parameters for technical devices.
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页数：3
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