57Fe Mossbauer study on the spinel system ZnxCo1-xFe2-xAlxO4

被引：13
|
作者：
Thanki, VT [1 ]
Jani, KH [1 ]
Trivedi, BS [1 ]
Modi, KB [1 ]
Joshi, HH [1 ]
机构：
[1] Saurashtra Univ, Dept Phys, Rajkot 360005, Gujarat, India
来源：
MATERIALS LETTERS | 1998年 / 37卷 / 4-5期
关键词：
ferrites; Mossbauer spectroscopy; canted spin structure;
D O I：
10.1016/S0167-577X(98)00098-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Based on Fe-57 Mossbauer effect studies conducted at 300 K, the magnetic properties of the spinel solid solution series ZnxCo1-xFe2-xAlxO4 have been investigated. The Mossbauer spectra for x = 0.0 to 0.4 suggest the existence of two hyperfine fields, one due to the Fe3+ octahedral ions (B-sites) and the other due to the Fe3+ tetrahedral ions (A-sites), while for x = 0.5 and 0.6 it shows relaxation effects and for x > 0.6 it exhibits a paramagnetic quadrupole doublet. The results are explained on the basis of A-B and B-B supertransferred hyperfine interactions. The canted spin structure in the system is verified. (C) 1998 Elsevier Science B.V. AU rights reserved.
引用
收藏
页码：236 / 240
页数：5
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