Saha, Dhriti Ranjan ; Nandi, Arun Kumar ; Chakravorty, Dipankar (2014) Exchange bias effect in composites of cuo nanoparticles and nanosilica glass Journal of Magnetism and Magnetic Materials, 355 . pp. 184-187. ISSN 0304-8853
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.jmmm.2013.12.013
Abstract
Nanodimensional silica based glass containing iron ions was prepared within the compressed pellet of CuO nanoparicles. The nanocomposite material showed exchange bias effect. This effect arose due to ferromagnetic iron doped CuO phase and antiferromagnetic CuO interface formation within the nanocomposite during the synthesis process. Coercive field as a function of temperature was fitted with Arhenius–Neel equation and extracted blocking temperature was 511 K. The value of effective anisotropy constant for the nanocomposite was found to be 3.64x105 erg/cc.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Nanoglass; Exchange Bias; CuO Nanoparticles; Magnetic Anisotropy |
| ID Code: | 98029 |
| Deposited On: | 14 Feb 2014 12:24 |
| Last Modified: | 14 Feb 2014 12:24 |
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