The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Compositionally controlled FePt nanoparticle materials
Abstract
High temperature solution phase decomposition of Fe(CO)/sub 5/ and reduction of Pt(acac)/sub 2/ in the presence of stabilizers, oleic acid and oleyl amine, are employed to produce 4 nm diameter FePt nanoparticles. The Fe and Pt composition of the nanoparticle materials can be tuned by adjusting the molar ratio of Fe(CO)/sub 5/ to Pt(acac)/sub 2/, and the compositions ranging from Fe/sub 30/Pt/sub 70/ to Fe/sub 80/Pt/sub 20/ are obtained. The nanoparticle materials are easily dispersed into alkane solvent, facilitating their self-organization into nanoparticle superlattices. As synthesized FePt nanoparticles possess a disordered fcc structure and show superparamagnetic behavior. Thermal annealing induces a change of internal particle structure and thus of the magnetic properties of the particles. Composition dependent structure analysis shows that an annealed FePt nanoparticle assembly with a composition around Fe/sub 55/Pt/sub 45/ will lead to the highly ordered fct phase. This Fe/sub 55/Pt/sub 45/ nanoparticle assembly yields high coercivity, and will be a candidate for future ultra-high density magnetic recording media applications.
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Citations
Cites
Monodisperse FePt Nanoparticles and Ferromagnetic FePt Nanocrystal Superlattices
Sun, S., Murray, C. B., Weller, D., Folks, L., & Moser, A. (2000) · Science · doi:10.1126/science.287.5460.1989 · Cited by 6,137
Self-citation
Cited by
Organic Phase Syntheses of Magnetic Nanoparticles and Their Applications
Wu, L., Mendoza-Garcia, A., Li, Q., & Sun, S. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00687 · Cited by 601
Self-citationBimagnetic Core/Shell FePt/Fe3O4 Nanoparticles
Zeng, H., Li, J., Wang, Z. L., Liu, J. P., & Sun, S. (2004) · Nano Letters · doi:10.1021/nl035004r · Cited by 537
Self-citationA General Strategy for Synthesizing FePt Nanowires and Nanorods
Wang, C., Hou, Y., Kim, J., & Sun, S. (2007) · Angewandte Chemie International Edition · doi:10.1002/anie.200702001 · Cited by 314
Self-citationPolymer Mediated Self-Assembly of Magnetic Nanoparticles
Sun, S., Anders, S., Hamann, H. F., Thiele, J.-U., Baglin, J. E. E., Thomson, T., Fullerton, E. E., Murray, C. B., & Terris, B. D. (2002) · Journal of the American Chemical Society · doi:10.1021/ja0176503 · Cited by 301
Self-citationNanostructured catalysts in fuel cells
Zhong, C.-J., Luo, J., Fang, B., Wanjala, B. N., Njoki, P. N., Loukrakpam, R., & Yin, J. (2010) · Nanotechnology · doi:10.1088/0957-4484/21/6/062001 · Cited by 198
Metadata
- Authors
- Sun, S., Fullerton, E. E., Weller, D., & Murray, C. B.
- Venue
- IEEE Transactions on Magnetics
- Published
- 2001-07
- Volume
- 37
- Issue
- 4
- Pages
- 1239-1243
- ISSN
- 0018-9464 (ISSN-L)
- OpenAlex
- W2144291054
- Cited by
- 248
- References
- 1
- FWCI
- 12.27
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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