预氧化抑制磁隧道结的橘皮耦合

INTERMAG 2006 - IEEE International Magnetics Conference Pub Date : 2006-05-08 DOI:10.1109/INTMAG.2006.376454

W. Egelhoff, R. McMichael, C. Dennis, M.D. Siles, A. Shapiro, B. Maranville, C. Powell

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引用次数: 0

摘要

橘皮耦合(OPC)是利用磁隧道结(MTJs)检测低磁场时常见的问题。OPC作为一个各向异性场，以降低自由层对小磁场的灵敏度。我们已经发现mjt中底部Co电极的预氧化非常有效地抑制了OPC。

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Pre-oxidation Suppresses Orange-peel Coupling in Magnetic Tunnel Junctions

Orange-peel coupling (OPC) is a common problem when magnetic tunnel junctions (MTJs) are used to detect low magnetic fields. OPC acts as an anisotropy field to reduce the sensitivity of the free layer to small magnetic fields. We have have found that pre-oxidation of the bottom Co electrode in MJTs very effectively suppresses OPC.

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INTERMAG 2006 - IEEE International Magnetics Conference

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