Structure and dielectric properties of Bi1-xLaxFeO3 nanostructured ceramics

被引：1

作者：

Rabadanova, A. E. ^{[1
]}

Gadzhimagomedov, S. Kh ^{[1
]}

Alikhanov, N. M-R ^{[1
,2
]}

Ilyichev, M., V ^{[3
]}

Emirov, R. M. ^{[1
]}

Orudzhev, F. F. ^{[1
]}

Faradzhev, Sh P. ^{[1
]}

Saipulaev, P. M. ^{[1
]}

机构：

[1] Dagestan State Univ, Phys Dept, Makhachkala, Russia

[2] RAS, Inst Phys, Dagestan Sci Ctr, Makhachkala, Russia

[3] Joint Inst High Temp, Moscow, Russia

来源：

FERROELECTRICS | 2021年 / 576卷 / 01期

关键词：

Multiferroics; bismuth ferrite; synthesis; ceramics; dielectric properties; MAGNETIC-PROPERTIES; ELECTRICAL-PROPERTIES; PHASE-TRANSITIONS; BIFEO3; MICROSTRUCTURE; EVOLUTION; BI1-X; LA3+; X=0; RE;

D O I：

10.1080/00150193.2021.1888254

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanostructured ceramic samples of the composition Bi1-xLaxFeO3 (BLFO) at x = 0, 0.05, 0.10, 0.15, and 0.2 (BFO-0, BLFO-5, BLFO-10, BLFO-15, and BLFO-20) were produced from nanopowders by spark plasma sintering. The structure and dielectric properties of BLFO ceramics were studied in a wide range of temperatures and frequencies. Phase analysis showed that the BFO-0 sample contained less than 5% impurity phases, decreasing to zero at 5% doping with La. The temperature dependences of the dielectric permittivity epsilon'(T) revealed a number of anomalies. It has been shown that with an increase in the La concentration, epsilon' increases and tg delta decreases.

引用

页码：1 / 7

页数：7

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