Cobalt-ferrite nanobowl arrays : curved magnetic nanostructures
Novel magnetic cobalt ferrite nanostructures with curved surfaces (i.e., nanobowls and hollow nanospheres) in a periodic array have been fabricated by in situ reduction of a cobalt and iron salt solution mixture in the interstitial spaces of three-dimensional, close-packed, polystyrene sphere tem...
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| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2014
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/79514 http://hdl.handle.net/10220/18849 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | Novel magnetic cobalt ferrite nanostructures with curved surfaces (i.e., nanobowls and
hollow nanospheres) in a periodic array have been fabricated by in situ reduction of a
cobalt and iron salt solution mixture in the interstitial spaces of three-dimensional,
close-packed, polystyrene sphere templates. The effect of the shape created by this
nanostructure and magnetocrystalline anisotropy introduced by suitable annealing were
used to tailor the coercivity to values relevant to high-density data-storage applications. |
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