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|Title:||Strong unidirectional anisotropy in mechanically alloyed spinel ferrites||Authors:||Shi, Y.
|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|
|Appears in Collections:||Staff Publications|
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