FORC-study of magnetization reversal of L10-FePt based exchange coupled composite films

Gongyuan Situ; Jian Ping Wang; Bin Ma

doi:10.1063/1.4977551

FORC-study of magnetization reversal of L1₀-FePt based exchange coupled composite films

Gongyuan Situ, Jian Ping Wang, Bin Ma

Research output: Contribution to journal › Article › peer-review

Abstract

Perpendicular exchange coupled composite structures were prepared, utilizing L1₀-FePt as hard layer and [Co/Ni]_N multilayer as soft layer. Magnetic characteristics revealed the gradually change of the magnetization reversal mechanism from incoherent rotational mode to dominant wall motion as the thickness of soft layer increases. Furthermore, FORC analysis were employed to characterize the interactions of our ECC magnetic system, the result indicates that the exchange coupling interaction were enhanced with the increasing thickness of soft layer.

Original language	English (US)
Article number	056510
Journal	AIP Advances
Volume	7
Issue number	5
DOIs	https://doi.org/10.1063/1.4977551
State	Published - May 1 2017

Bibliographical note

Publisher Copyright:
© 2017 Author(s).

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10.1063/1.4977551

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title = "FORC-study of magnetization reversal of L10-FePt based exchange coupled composite films",

abstract = "Perpendicular exchange coupled composite structures were prepared, utilizing L10-FePt as hard layer and [Co/Ni]N multilayer as soft layer. Magnetic characteristics revealed the gradually change of the magnetization reversal mechanism from incoherent rotational mode to dominant wall motion as the thickness of soft layer increases. Furthermore, FORC analysis were employed to characterize the interactions of our ECC magnetic system, the result indicates that the exchange coupling interaction were enhanced with the increasing thickness of soft layer.",

author = "Gongyuan Situ and Wang, {Jian Ping} and Bin Ma",

note = "Publisher Copyright: {\textcopyright} 2017 Author(s).",

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N2 - Perpendicular exchange coupled composite structures were prepared, utilizing L10-FePt as hard layer and [Co/Ni]N multilayer as soft layer. Magnetic characteristics revealed the gradually change of the magnetization reversal mechanism from incoherent rotational mode to dominant wall motion as the thickness of soft layer increases. Furthermore, FORC analysis were employed to characterize the interactions of our ECC magnetic system, the result indicates that the exchange coupling interaction were enhanced with the increasing thickness of soft layer.

AB - Perpendicular exchange coupled composite structures were prepared, utilizing L10-FePt as hard layer and [Co/Ni]N multilayer as soft layer. Magnetic characteristics revealed the gradually change of the magnetization reversal mechanism from incoherent rotational mode to dominant wall motion as the thickness of soft layer increases. Furthermore, FORC analysis were employed to characterize the interactions of our ECC magnetic system, the result indicates that the exchange coupling interaction were enhanced with the increasing thickness of soft layer.

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