Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 48, Issue 11, Pages 3387-3389Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2012.2202313
Keywords
Temperature dependence; ultrafast; switching; TbFeCo
Funding
- EPSRC [EP/G03088X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G03088X/1] Funding Source: researchfish
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Using a time-resolved pump-probe system, we experimentally demonstrated that all-optical magnetization switching in TbFeCo can be observed at both room temperature and a low temperature of 110 K. This switching can only be triggered by a circularly polarized pump beam within a very narrow range of pulse energies. We believe these findings will lead to a better understanding of optically induced magnetization reversal on rare-earth transition metal alloys and provide an ultrafast and efficient way for future magnetic recording technique.
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