Heat capacity of the 0.7PbNi1/3Nb2/3O3-0.3PbTiO3 ferroelectric ceramics

被引：1
作者：
Kallaev, S. N. [1 ]
Omarov, Z. M. [1 ]
Mitarov, R. G. [2 ]
Bormanis, K. [3 ]
机构：
[1] Russian Acad Sci, Inst Phys, Dagestan Sci Ctr, Makhachkala 367003, Dagestan, Russia
[2] Dagestan State Tech Univ, Makhachkala 367015, Dagestan, Russia
[3] Latvian State Univ, Inst Solid State Phys, LV-1063 Riga, Latvia
来源：
PHYSICS OF THE SOLID STATE | 2012年 / 54卷 / 10期
关键词：
Heat Capacity; Anomalous Behavior; Piezoelectric Ceramic; Ferroelectric Ceramic; Diffuse Phase Transition;
D O I：
10.1134/S1063783412100162
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The temperature dependence of the heat capacity of the 0.7PbNi(1/3)Nb(2/3)O(3)-0.3PbTiO(3) compound has been studied in the temperature range 120-800 K. The temperature dependence of the heat capacity C (p) has two diffuse anomalies in the temperature ranges 250-450 K and 450-650 K and a lambda anomaly at temperatures T a parts per thousand 225 K. The results are discussed with inclusion of the dielectric and structural data.
引用
收藏
页码：2030 / 2033
页数：4
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