Ba0.999Ce0.001Ti0.9Sn0.1O3-La0.75Sr0.25MnO3 ferroelectric-ferromagnetic material

被引：0
|
作者：
Bashkirov, LA [1 ]
Chebotar', OA [1 ]
Zharskii, IM [1 ]
Shishkin, NY [1 ]
Petrov, GS [1 ]
Nekrashevich, EM [1 ]
Solovykh, TK [1 ]
Akimov, AI [1 ]
机构：
[1] Belarussian State Technol Univ, Minsk 220050, BELARUS
来源：
INORGANIC MATERIALS | 2002年 / 38卷 / 04期
关键词：
Oxide; Magnetic Field; Inorganic Chemistry; Solid Solution; Perovskite;
D O I：
10.1023/A:1015174409964
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The semiconducting ferroelectric Ba0.999Ce0.001Ti0.9Sn0.1O3 and ferromagnetic manganite La0.75Sr0.25MnO3 were prepared by solid-state reactions. The resistivity of Ba0.999Ce0.001Ti0.9Sn0.1O3 increases by three orders of magnitude between 350 and 450 K. The Curie temperature of La0.75Sr0.25MnO3 is 370 K, which is 20 K higher than the temperature of the metal-semiconductor transition, accompanied by an increase in resistivity by a factor of 2.5. By firing a mixture of these perovskite oxides, a material was obtained which consisted of La0.75Sr0.25MnO3- and Ba0.999Ce0.001Ti0.9Sn0.1O3-based solid solutions. At room temperature, this material possesses both ferroelectric and ferromagnetic properties. At 100 K, its magnetoresistance in a magnetic field of 0.95 T is 18%.
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收藏
页码：404 / 407
页数：4
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