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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 |
Appears in Collections: | Staff Publications |
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