ANNEALING EFFECT ON MAGNETIC-PROPERTIES OF THE LI2O-B2O3-FE2O3 SYSTEM

被引：11

作者：

REZLESCU, N

REZLESCU, E

PASNICU, C

CRAUS, ML

机构：

[1] Institute of Magnetism and Magnetic Materials, 6600 Jassy

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1994年 / 131卷 / 1-2期

关键词：

D O I：

10.1016/0304-8853(94)90039-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An homogeneous Li2O-B2O3-Fe2O3 glass containing 8% Fe2O3 is prepared by ultra-fast quenching technique and it is shown that the magnetic spinel lithium ferrite (LiFe5O8) can be obtained within a glassy matrix when the glass is heat-treated. The identity of the crystalline phase is established by means of X-ray diffraction and by magnetization measurements. It is shown that the grain size and hence the magnetic properties of the obtained glass ceramics can be controlled by means of the annealing temperature. We obtained vitroceramics containing Li ferrite crystals with an average size of 35-495 angstrom for annealings in the temperature range 440-770-degrees-C.

引用

页码：273 / 277

页数：5

共 10 条

[1] MAGNETIC-PROPERTIES OF GLASS-CERAMICS IN C0O-FE2O3-B2O3 SYSTEM [J].