Please use this identifier to cite or link to this item: https://doi.org/10.1109/TMAG.2011.2159487
Title: High-coercivity in α-Fe2O3 formed after annealing from Fe3O4 nanoparticles
Authors: Yang, Y. 
Yi, J.B. 
Huang, X.L.
Xue, J.M. 
Ding, J. 
Keywords: Hematite
high coercivity
magnetite
Morin transition
Issue Date: Oct-2011
Source: Yang, Y., Yi, J.B., Huang, X.L., Xue, J.M., Ding, J. (2011-10). High-coercivity in α-Fe2O3 formed after annealing from Fe3O4 nanoparticles. IEEE Transactions on Magnetics 47 (10) : 3340-3342. ScholarBank@NUS Repository. https://doi.org/10.1109/TMAG.2011.2159487
Abstract: Hematite particles (α-Fe2O3) were synthesized by oxidation of Fe3O4 nanoparticles through heat treatment in the atmosphere of 95% N2 plus 5% O2. This method can result in an effective fabrication of high-coercivity α-Fe 2O3 particles. The Morin transition of the as-prepared α-Fe2O3 particles was detected to be 265 K, and a coercivity of 6.2 kOe could be observed at room temperature. The magnetic properties at different temperatures of the as-produced α-Fe 2O3 particles were studied. © 2011 IEEE.
Source Title: IEEE Transactions on Magnetics
URI: http://scholarbank.nus.edu.sg/handle/10635/86897
ISSN: 00189464
DOI: 10.1109/TMAG.2011.2159487
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