Features of Synthesis and Magnetic Characteristics of Yttrium Orthoferrite Produced by Gel Combustion

被引：5

作者：

Ketsko, V. A. ^{[1
]}

Smirnova, M. N. ^{[1
]}

Kop'eva, M. A. ^{[1
]}

Nikiforova, G. E. ^{[1
]}

Geras'kin, A. A. ^{[2
]}

Yanushkevich, K. I. ^{[3
]}

机构：

[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia

[2] MIREA Russian Technol Univ, Moscow 119454, Russia

[3] Natl Acad Belarus, Brovka Mat Sci Appl Res Ctr, Minsk 220072, BELARUS

来源：

RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2020年 / 65卷 / 09期

基金：

俄罗斯基础研究基金会;

关键词：

glycine; citric acid; morphology; magnetic properties; NANOCRYSTALLINE YFEO3; IRON-GARNET; GLYCINE;

D O I：

10.1134/S0036023620090065

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The effect of an organic fuel on the combustion mode, features of combustion, and the phase composition of the end product of the synthesis of yttrium orthoferrite was studied. It was shown that the production of YFeO(3)requires a fuel that favors the formation of a single polymer metal-containing complex determining the gel structure and ensures the combustion in an intense self-sustaining mode. Yttrium orthoferrite was synthesized by gel combustion using a mixture of citric acid and ammonium nitrate as a fuel. The unit cell parameters of orthorhombic (space groupPnma) yttrium orthoferrite were found to bea= 5.594(2) angstrom, b = 7.604(3) angstrom, c= 5.282(1) angstrom, and V= 224.7(3) angstrom(3). The temperature dependence of the specific magnetization of YFeO(3)in the range 80-800 K was investigated. The temperature of the magnetic phase transformation magnetic order-magnetic disorder was determined to beT(C) similar to 620 K.

引用

页码：1287 / 1291

页数：5

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