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Temperature dependence of all: optical ultrafast magnetization switching in TbFeCo

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JournalIEEE Transactions on Magnetics
DateE-pub ahead of print - 19 Oct 2012
DatePublished (current) - 1 Nov 2012
Issue number11
Volume48
Number of pages3
Pages (from-to)3387-3389
Early online date19/10/12
Original languageEnglish

Abstract

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.

Bibliographical note

© 2012 IEEE

    Research areas

  • ultrafast, TbFeCo, Temperature dependence, REVERSAL, SPEED, switching

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