Journal
NATURE COMMUNICATIONS
Volume 3, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/ncomms1666
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Funding
- de Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)
- NanoSci-E + program
- Foundation for Fundamental Research (FOM)
- Technology Foundation (STW)
- Russian Foundation for Basic Research (RFBR) [10-02-01008-a]
- NASU [228-11, 227-11]
- European Community [NMP3-SL-2008-214469, 214810]
- Spanish MICINN [FIS2010-20979-C02-02]
- European Research Council [257280]
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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.
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