Magnetic glass-ceramics containing multiferroic BiFeO3 crystals

被引：7

作者：

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

Milenov, T. I. ^{[2
]}

Ellert, O. G. ^{[1
]}

Avdeev, G. V. ^{[3
]}

Rafailov, P. M. ^{[4
]}

Efimov, N. N. ^{[1
]}

Novotortsev, V. M. ^{[1
]}

机构：

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

[2] Bulgarian Acad Sci, Djakov Inst Elect, BU-1784 Sofia, Bulgaria

[3] Bulgarian Acad Sci, Kaishev Inst Phys Chem, BU-1113 Sofia, Bulgaria

[4] Bulgarian Acad Sci, Najakov Inst Solid State Phys, BU-1784 Sofia, Bulgaria

来源：

SOLID STATE SCIENCES | 2015年 / 40卷

关键词：

Ceramics; Glasses; Phase equilibrium; Microstructure; Magnetic properties; Multiferroics; LOW-TEMPERATURE SYNTHESIS; RAMAN-SCATTERING; TRANSITION; POWDERS;

D O I：

10.1016/j.solidstatesciences.2014.12.011

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new composite material consisting of BiFeO3 crystallites inside a nonmagnetic glass-like matrix has been synthesized using the glass crystallization method. The phase equilibrium and glass formation region of the Bi2O3-Fe2O3-B2O3 system (0-50 mol % B2O3) have been investigated. The optimal compositions for glass-ceramic synthesis are within the 25-85 mol % BiFeO3 range on the Bi4B2O9-BiFeO3 section. The obtained ceramics were studied by X-ray diffraction, Raman spectroscopy, microscopic and magnetic methods. It was shown that the BiFeO3 crystallites grow according to a dendrite mechanism resulting in anisotropic glass-ceramic. Magnetic properties of the synthesized samples depend upon their morphology and crystallinity. (C) 2014 Elsevier Masson SAS. All rights reserved.

引用

页码：31 / 35

页数：5

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