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Piqueras de Noriega, Javier and Díaz-Guerra Viejo, Carlos and Vila Santos, María (2010) Exchange bias in single-crystalline CuO nanowires. Applied physics Letters, 96 (19). ISSN 0003-6951
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Official URL: http://dx.doi.org/10.1063/1.3428658
Abstract
Exchange anisotropy has been observed and investigated in single-crystalline CuO nanowires grown by thermal oxidation of Cu. The exchange bias field decreases by increasing temperature and can be tuned by the strength of the cooling field. A training effect has also been observed. The obtained results can be understood in terms of a phenomenological core-shell model, where the core of the CuO nanowire shows antiferromagnetic behavior and the surrounding shell behaves as a spin glass-like system due to uncompensated surface spins.
Item Type: | Article |
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Additional Information: | ©2010 American Institute of Physics. |
Uncontrolled Keywords: | Nanostructures |
Subjects: | Sciences > Physics > Materials |
ID Code: | 23728 |
Deposited On: | 27 Nov 2013 11:23 |
Last Modified: | 07 Feb 2014 11:06 |
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