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%.

引用

页码：404 / 407

页数：4

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