Analysis of Magnetic Relaxation With Pre-Existing Nucleation Sites Based on the Fatuzzo–Labrune Model

Duy-Truong Quach,Djati Handoko,Dong-Hyun Kim,The-Long Phan,Sang-Hyuk Lee,Jong-Ryul Jeong,Duc-The Ngo,Je-Ho Shim,Duc-Thang Pham,Kyung-Min Lee

doi:10.1109/tmag.2015.2443855

Analysis of Magnetic Relaxation With Pre-Existing Nucleation Sites Based on the Fatuzzo–Labrune Model

Duy-Truong Quach, Djati Handoko + Show 8 more

https://doi.org/10.1109/tmag.2015.2443855

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Journal: IEEE transactions on magnetics	Publication Date: Nov 1, 2015
Citations: 13

Affiliation: Chungbuk National University, VNU University of Science, Hankuk University of Foreign Studies, Technical University of Denmark, Chungnam National University

#Pre-Existing Nucleation Sites #Magnetic Relaxation Curves + Show 8 more

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Abstract

Time-resolved magnetic domain patterns of (Co/Pt) and (CoFeB/Pd) multilayers with perpendicular magnetic anisotropy are observed by means of magneto-optical microscopy, from which magnetic relaxation curves are determined for. Interestingly, it has been observed that the relaxation processes not only from the saturated state, but also with pre-existing domains, are well explained based on the Fatuzzo-Labrune model [1, 2]. Full details of the relaxation behavior and subsequent microscopic domain patterns evolving from the pre-existing nucleation sites originated from the sub-structured magnetic domains are discussed.

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