Magnetic properties of single nanomagnets: Electron energy-loss magnetic chiral 
dichroism on FePt nanoparticles

Schneider, Sebastian; Pohl, Darius; Loeffler, Stefan; Rusz, Jan; Kasinathan, Deepa; Schattschneider, Peter; Schultz, Ludwig; Rellinghaus, Bernd

doi:10.1016/j.ultramic.2016.09.009

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Magnetic properties of single nanomagnets: Electron energy-loss magnetic chiral dichroism on FePt nanoparticles

Schneider, S., Pohl, D., Loeffler, S., Rusz, J., Kasinathan, D., Schattschneider, P., et al. (2016). Magnetic properties of single nanomagnets: Electron energy-loss magnetic chiral dichroism on FePt nanoparticles. Ultramicroscopy, 171, 186-194. doi:10.1016/j.ultramic.2016.09.009.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002C-2F4C-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0000-B60D-5

Genre: Journal Article

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Creators:
Schneider, Sebastian¹, Author
Pohl, Darius¹, Author
Loeffler, Stefan¹, Author
Rusz, Jan¹, Author
Kasinathan, Deepa², Author
Schattschneider, Peter¹, Author
Schultz, Ludwig¹, Author
Rellinghaus, Bernd¹, 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: Electron energy-loss magnetic chiral dichroism (EMCD) allows for the quantification of magnetic properties of materials at the nanometer scale. It is shown that with the support of simulations that help to identify the optimal conditions for a successful experiment and upon implementing measurement routines that effectively reduce the noise floor, EMCD measurements can be pushed towards quantitative magnetic measurements even on individual nanoparticles. With this approach, the ratio of orbital to spin magnetic moments for the Fe atoms in a single Ll(0) ordered FePt nanoparticle is determined to be m(l)/m(s) = 0.08 +/- 0.02. This finding is in good quantitative agreement with the results of XMCD ensemble measurements. (C) 2016 Elsevier B.V. All rights reserved.

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Language(s): eng - English

Dates: Published Online: 2016-09-20Date issued: 2016-09-20

Publication Status: Issued

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Identifiers: ISI: 000389106200023
DOI: 10.1016/j.ultramic.2016.09.009

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Title: Ultramicroscopy

Abbreviation : Ultramicroscopy

Source Genre: Journal

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Publ. Info: Amsterdam : North-Holland

Pages: - Volume / Issue: 171 Sequence Number: - Start / End Page: 186 - 194 Identifier: ISSN: 0304-3991
CoNE: https://pure.mpg.de/cone/journals/resource/954925512451