Ultrafast thermally induced magnetic switching in synthetic ferrimagnets

EVANS, Richard F. L., OSTLER, Thomas, CHANTRELL, Roy W., RADU, Ilie and RASING, Theo (2014). Ultrafast thermally induced magnetic switching in synthetic ferrimagnets. Applied Physics Letters, 104 (8), 082410.

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Official URL: http://aip.scitation.org/doi/abs/10.1063/1.4867015
Link to published version:: https://doi.org/10.1063/1.4867015
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    Synthetic ferrimagnets are composite magnetic structures formed from two or more anti-ferromagnetically coupled magnetic sublattices with different magnetic moments. Here, we report on atomistic spin simulations of the laser-induced magnetization dynamics on such synthetic ferrimagnets and demonstrate that the application of ultrashort laser pulses leads to sub-picosecond magnetization dynamics and all-optical switching in a similar manner as in ferrimagnetic alloys. Moreover, we present the essential material properties for successful laser-induced switching, demonstrating the feasibility of using a synthetic ferrimagnet as a high density magnetic storage element without the need of a write field.

    Item Type: Article
    Departments - Does NOT include content added after October 2018: Faculty of Science, Technology and Arts > Department of Engineering and Mathematics
    Identification Number: https://doi.org/10.1063/1.4867015
    Page Range: 082410
    Depositing User: Thomas Ostler
    Date Deposited: 31 Mar 2017 10:24
    Last Modified: 18 Mar 2021 04:17
    URI: http://shura.shu.ac.uk/id/eprint/15394

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