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  Superior Magnetic Performance in FePt 10 Nanomaterials

Son, K., Ryu, G., Jeong, H.-H., Fink, L., Merz, M., Nagel, P., et al. (2019). Superior Magnetic Performance in FePt 10 Nanomaterials. Small, 1902353, pp. 1-6. doi:10.1002/smll.201902353.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-82BE-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-82C0-F
Genre: Journal Article

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 Creators:
Son, Kwanghyo1, Author
Ryu, Gihun2, Author              
Jeong, Hyeon-Ho1, Author
Fink, Lukas1, Author
Merz, Michael1, Author
Nagel, Peter1, Author
Schuppler, Stefan1, Author
Richter, Gunther1, Author
Goering, Eberhard1, Author
Schütz, Gisela1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              

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 Abstract: The discovery of the high maximum energy product of 59 MGOe for NdFeB magnets is a breakthrough in the development of permanent magnets with a tremendous impact in many fields of technology. This value is still the world record, for 40 years. This work reports on a reliable and robust route to realize nearly perfectly ordered L1(0)-phase FePt nanoparticles, leading to an unprecedented energy product of 80 MGOe at room temperature. Furthermore, with a 3 nm Au coverage, the magnetic polarization of these nanomagnets can be enhanced by 25% exceeding 1.8 T. This exceptional magnetization and anisotropy is confirmed by using multiple imaging and spectroscopic methods, which reveal highly consistent results. Due to the unprecedented huge energy product, this material can be envisaged as a new advanced basic magnetic component in modern micro and nanosized devices.

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Language(s): eng - English
 Dates: 2019-07-012019-07-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1002/smll.201902353
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Title: Small
  Other : Small
Source Genre: Journal
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Publ. Info: Weinheim, Germany : Wiley
Pages: - Volume / Issue: - Sequence Number: 1902353 Start / End Page: 1 - 6 Identifier: ISSN: 1613-6810
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000017440_1