Author
Listed:
- T.A. Ostler
(University of York, York YO10 5DD, UK.)
- J. Barker
(University of York, York YO10 5DD, UK.)
- R.F.L. Evans
(University of York, York YO10 5DD, UK.)
- R.W. Chantrell
(University of York, York YO10 5DD, UK.)
- U. Atxitia
(Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid, Spain.)
- O. Chubykalo-Fesenko
(Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid, Spain.)
- S. El Moussaoui
(Paul Scherrer Institut, CH-5232 PSI-Villigen, Switzerland.)
- L. Le Guyader
(Paul Scherrer Institut, CH-5232 PSI-Villigen, Switzerland.)
- E. Mengotti
(Paul Scherrer Institut, CH-5232 PSI-Villigen, Switzerland.)
- L.J. Heyderman
(Paul Scherrer Institut, CH-5232 PSI-Villigen, Switzerland.)
- F. Nolting
(Paul Scherrer Institut, CH-5232 PSI-Villigen, Switzerland.)
- A. Tsukamoto
(College of Science and Technology, Nihon University, 7-24-1 Funabashi, Chiba, Japan.)
- A. Itoh
(College of Science and Technology, Nihon University, 7-24-1 Funabashi, Chiba, Japan.)
- D. Afanasiev
(Institute of Magnetism, NASU)
- B.A. Ivanov
(Institute of Magnetism, NASU)
- A.M. Kalashnikova
(Ioffe Physical-Technical Institute of the Russian Academy of Sciences, 194021 St Petersburg, Russia.)
- K. Vahaplar
(Radboud University Nijmegen, Institute for Molecules and Materials, 6525 AJ Nijmegen, The Netherlands.)
- J. Mentink
(Radboud University Nijmegen, Institute for Molecules and Materials, 6525 AJ Nijmegen, The Netherlands.)
- A. Kirilyuk
(Radboud University Nijmegen, Institute for Molecules and Materials, 6525 AJ Nijmegen, The Netherlands.)
- Th. Rasing
(Radboud University Nijmegen, Institute for Molecules and Materials, 6525 AJ Nijmegen, The Netherlands.)
- A.V. Kimel
(Radboud University Nijmegen, Institute for Molecules and Materials, 6525 AJ Nijmegen, The Netherlands.)
Abstract
The question of how, and how fast, magnetization can be reversed is a topic of great practical interest for the manipulation and storage of magnetic information. It is generally accepted that magnetization reversal should be driven by a stimulus represented by time-non-invariant vectors such as a magnetic field, spin-polarized electric current, or cross-product of two oscillating electric fields. However, until now it has been generally assumed that heating alone, not represented as a vector at all, cannot result in a deterministic reversal of magnetization, although it may assist this process. Here we show numerically and demonstrate experimentally a novel mechanism of deterministic magnetization reversal in a ferrimagnet driven by an ultrafast heating of the medium resulting from the absorption of a sub-picosecond laser pulse without the presence of a magnetic field.
Suggested Citation
T.A. Ostler & J. Barker & R.F.L. Evans & R.W. Chantrell & U. Atxitia & O. Chubykalo-Fesenko & S. El Moussaoui & L. Le Guyader & E. Mengotti & L.J. Heyderman & F. Nolting & A. Tsukamoto & A. Itoh & D. , 2012.
"Ultrafast heating as a sufficient stimulus for magnetization reversal in a ferrimagnet,"
Nature Communications, Nature, vol. 3(1), pages 1-6, January.
Handle:
RePEc:nat:natcom:v:3:y:2012:i:1:d:10.1038_ncomms1666
DOI: 10.1038/ncomms1666
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