Template-mediated assembly of FePt L1{sub 0} clusters under external magnetic field
Journal Article
·
· Journal of Applied Physics
- Department of Physics and Astronomy and Center for Materials Research and Analysis, University of Nebraska, Lincoln, Nebraska, 68588-0111 (United States)
FePt L1{sub 0}-structured clusters were synthesized by hydrogen reduction of Fe(NO{sub 3}){sub 3}{center_dot}9H{sub 2}O and H{sub 2}PtCl{sub 6}{center_dot}6H{sub 2}O mixtures within the pores of alumina. They were released by dissolving the alumina matrix and capped with organic surfactants. After a series of chemical treatments, clusters with an average diameter of about 11 nm were precipitated. The clusters were drop casted onto ordered nanoporous arrays. Clusters reaching the bottom of the pores formed an ordered magnetic array. The corresponding magnetic film exhibits distinct anisotropic behavior caused by the external magnetic field.
- OSTI ID:
- 20711643
- Journal Information:
- Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 10 Vol. 97; ISSN JAPIAU; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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