Thermal stability of fept-based exchange coupled composite films

Honghua H. Guo; Haigang G. Chu; Jialin L. Liao; Bin Ma; Zongzhi Z. Zhang; Qingyuan Y. Jin

doi:10.1109/TMAG.2013.2242436

Thermal stability of fept-based exchange coupled composite films

Honghua H. Guo, Haigang G. Chu, Jialin L. Liao, Bin Ma, Zongzhi Z. Zhang, Qingyuan Y. Jin

Electrical and Computer Engineering

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

4 Scopus citations

Abstract

Three series of L1₀-FePt based exchange coupled composite (ECC) films L1₀-FePt/Fe, L1₀-FePt/[Co/Ni]_N and L1₀-FePt/[Co/Pt]_N, with different magnetization configurations, on MgO substrates are studied. Though all series of samples show similar dependences of coercivity on the soft layer thickness, their thermal stabilities are much different. The perpendicular ECC film of L1 ₀-FePt/[Co/Ni]_N shows a higher thermal stability than that of in-plane one of L1₀-FePt/Fe for all the soft layer thicknesses.

Original language	English (US)
Article number	6559092
Pages (from-to)	3683-3686
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	49
Issue number	7
DOIs	https://doi.org/10.1109/TMAG.2013.2242436
State	Published - 2013

Keywords

Exchange coupled composite (ECC)
FePt
thermal stability

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title = "Thermal stability of fept-based exchange coupled composite films",

abstract = "Three series of L10-FePt based exchange coupled composite (ECC) films L10-FePt/Fe, L10-FePt/[Co/Ni]N and L10-FePt/[Co/Pt]N, with different magnetization configurations, on MgO substrates are studied. Though all series of samples show similar dependences of coercivity on the soft layer thickness, their thermal stabilities are much different. The perpendicular ECC film of L1 0-FePt/[Co/Ni]N shows a higher thermal stability than that of in-plane one of L10-FePt/Fe for all the soft layer thicknesses.",

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AU - Guo, Honghua H.

AU - Chu, Haigang G.

AU - Liao, Jialin L.

AU - Ma, Bin

AU - Zhang, Zongzhi Z.

AU - Jin, Qingyuan Y.

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AB - Three series of L10-FePt based exchange coupled composite (ECC) films L10-FePt/Fe, L10-FePt/[Co/Ni]N and L10-FePt/[Co/Pt]N, with different magnetization configurations, on MgO substrates are studied. Though all series of samples show similar dependences of coercivity on the soft layer thickness, their thermal stabilities are much different. The perpendicular ECC film of L1 0-FePt/[Co/Ni]N shows a higher thermal stability than that of in-plane one of L10-FePt/Fe for all the soft layer thicknesses.

KW - Exchange coupled composite (ECC)

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Thermal stability of fept-based exchange coupled composite films

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