Mechanically induced cation redistribution in ZnFe2O4 and its thermal stability

被引：72

作者：

Sepelak, V

Tkacova, K

Boldyrev, VV

Wissmann, S

Becker, KD

机构：

[1] RUSSIAN ACAD SCI,INST SOLID STATE CHEM,NOVOSIBIRSK 630091,RUSSIA

[2] TECH UNIV CAROLO WILHELMINA BRAUNSCHWEIG,INST PHYS & THEORET CHEM,D-38106 BRAUNSCHWEIG,GERMANY

来源：

PHYSICA B | 1997年 / 234卷

关键词：

disordered materials; ferrimagnetism; Mossbauer effect; powder diffraction;

D O I：

10.1016/S0921-4526(96)01061-7

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The changes in zinc ferrite caused by high-energy ball-milling are investigated. Formation of spin arrangement in the ball-milled ZnFe2O4 is caused by the onset of the exchange interaction of the Fe3+(A)-O2--Fe3+[B] type, taking place due to the mechanically induced inversion as well as by the onset of the interaction of the Fe3+[B]-O2--Fe3+[B] type with deformed bond angle. Structural metastability of the milled ZnFe2O4 is manifested by the gradual recrystallization terminating at 900 K by a total recovery of the structure.

引用

页码：617 / 619

页数：3

共 6 条

[1]

Goldman A., 1990, MODERN FERRITE TECHN

[2]

Schmalzried H., 1961, Z PHYS CHEM FRANKFUR, V28, P203, DOI DOI 10.1524/ZPCH.1961.28.3_4.203

[3] Crystal structure refinement of the mechanically activated spinel-ferrite [J].