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

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

Schneider, Sebastian (author): IFW Dresden, Inst Metall Mat, POB 270116, D-01171 Dresden, Germany.;Tech Univ Dresden, Inst Festkorperphys, D-01062 Dresden, Germany.

Pohl, Darius (author): IFW Dresden, Inst Metall Mat, POB 270116, D-01171 Dresden, Germany.

Loeffler, Stefan (author): TU Wien, Univ Serv Ctr Electron Microscopy, Wiedner Hauptstr 8-10, A-1040 Vienna, Austria.;McMaster Univ, Dept Mat Sci & Engn, 1280 Main St West, Hamilton, ON L8S 4L8, Canada.

Rusz, Jan (author): Uppsala universitet,Materialteori

Kasinathan, Deepa (author): Max Planck Inst Chem Phys Fester Stoffe, Dept Phys Correlated Matter, Nothnitzer Str 40, D-01187 Dresden, Germany.

Schattschneider, Peter (author): TU Wien, Univ Serv Ctr Electron Microscopy, Wiedner Hauptstr 8-10, A-1040 Vienna, Austria.;TU Wien, Inst Solid State Phys, Wiedner Hauptstr 8-10, A-1040 Vienna, Austria.

Schultz, Ludwig (author): IFW Dresden, Inst Metall Mat, POB 270116, D-01171 Dresden, Germany.;Tech Univ Dresden, Inst Festkorperphys, D-01062 Dresden, Germany.

Rellinghaus, Bernd (author): IFW Dresden, Inst Metall Mat, POB 270116, D-01171 Dresden, Germany.

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IFW Dresden, Inst Metall Mat, POB 270116, D-01171 Dresden, Germany;Tech Univ Dresden, Inst Festkorperphys, D-01062 Dresden, Germany. IFW Dresden, Inst Metall Mat, POB 270116, D-01171 Dresden, Germany. (creator_code:org_t)

Elsevier BV, 2016
2016
English.
In: Ultramicroscopy. - : Elsevier BV. - 0304-3991 .- 1879-2723. ; 171, s. 186-194

Related links:: http://arxiv.org/pdf...; show more...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

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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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By the author/editor: Schneider, Sebas ...; Pohl, Darius; Loeffler, Stefan; Rusz, Jan; Kasinathan, Deep ...; Schattschneider, ...; show more...; Schultz, Ludwig; Rellinghaus, Ber ...; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Other Physics To ...

Articles in the publication: Ultramicroscopy

By the university: Uppsala University

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

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