Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.1405834
Title: Strong unidirectional anisotropy in mechanically alloyed spinel ferrites
Authors: Shi, Y. 
Ding, J. 
Issue Date: Oct-2001
Citation: Shi, Y., Ding, J. (2001-10). Strong unidirectional anisotropy in mechanically alloyed spinel ferrites. Journal of Applied Physics 90 (8) : 4078-4084. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1405834
Abstract: Cluster glass and relatively high coercivity at low temperatures were found in disordered ultrafine nickel ferrite powders. High-energy mechanical milling of spinel NiFe2O4 led to formation of a wüstitelike structure. Our investigation suggested that ferrimagnetic clusters formed in an antiferromagnetic matrix. The strong ferri/antiferromagnetic exchange coupling resulted in a strong unidirectional anisotropy and a coercivity of over 10 kOe at 4.2 K. © 2007 American Institute of Physics.
Source Title: Journal of Applied Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/107201
ISSN: 00218979
DOI: 10.1063/1.1405834
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