Thermophysical properties of the manganites (Nd,Sm,Eu)0.55Sr0.45MnO3

被引：17
|
作者：
Aliev, A. M. [1 ]
Batdalov, A. B. [1 ]
Gamzatov, A. G. [1 ]
机构：
[1] Russian Acad Sci, Inst Phys, Dagestan Sci Ctr, Makhachkala 367003, Russia
来源：
LOW TEMPERATURE PHYSICS | 2010年 / 36卷 / 02期
关键词：
ceramics; europium compounds; ferromagnetic materials; magnetic transitions; neodymium compounds; samarium compounds; specific heat; strontium compounds; thermal conductivity; thermal diffusivity; TRANSPORT; HEAT;
D O I：
10.1063/1.3314250
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The specific heat, thermal diffusivity, and thermal conductivity of ceramic samples of Nd0.55Sr0.45MnO3, Sm0.55Sr0.45MnO3, and Eu0.55Sr0.45MnO3 in the temperature range 20-350 K have been measured. Anomalies due to magnetic phase transitions have been observed and are interpreted. The temperature dependence of the free-path length is traced. The dependence of the measured coefficients on the degree of cationic disorder due to the difference of the radii of the A cations is determined.
引用
收藏
页码：171 / 175
页数：5
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