ELECTRON MAGNETIC-RESONANCE OF FERROFLUIDS - EVIDENCE FOR ANISOTROPIC RESONANCE AT 77 K IN SAMPLES COOLED IN A MAGNETIC-FIELD

被引：34
|
作者：
SASTRY, MD
BABU, Y
GOYAL, PS
MEHTA, RV
UPADHYAY, RV
SRINIVAS, D
机构：
[1] BHAVNAGAR UNIV, DEPT PHYS, BHAVNAGAR 364002, GUJARAT, INDIA
[2] CENT SALT & MARINE CHEM RES INST, BHAVNAGAR 364002, GUJARAT, INDIA
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1995年 / 149卷 / 1-2期
关键词：
D O I：
10.1016/0304-8853(95)00339-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Evidence is presented from studies of electron magnetic resonance for the formation of linear chains in kerosene based Mn0.1Fe0.9Fe2O4 (MF1) ferrite ferrofluid cooled in a magnetic field. The resonance field at 77 K was found to depend on the field at which the sample was cooled. More interestingly, the samples cooled in a magnetic field exhibited anisotropy in a resonance field with 180 degrees periodicity, giving evidence for frozen chains.
引用
收藏
页码：64 / 66
页数：3
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