Preprint Article Version 1 This version is not peer-reviewed

Perpendicular Exchange Bias of Co/Ni mUltilayers Adjacent to Antiferromagnetic FeRh Layer

Version 1 : Received: 10 February 2019 / Approved: 12 February 2019 / Online: 12 February 2019 (10:18:19 CET)

How to cite: Jekal, S.; Phoung, D. Perpendicular Exchange Bias of Co/Ni mUltilayers Adjacent to Antiferromagnetic FeRh Layer. Preprints 2019, 2019020098 (doi: 10.20944/preprints201902.0098.v1). Jekal, S.; Phoung, D. Perpendicular Exchange Bias of Co/Ni mUltilayers Adjacent to Antiferromagnetic FeRh Layer. Preprints 2019, 2019020098 (doi: 10.20944/preprints201902.0098.v1).

Abstract

The perpendicular exchange bias effect is observed in the ferromagnetic Co/Ni multilayers adjacent to the antiferromagnetic FeRh layer. It is found that as the antiferromagnetic FeRh thickness increases from 10 Å to 50 Å, the hysteresis loop is gradually changed from the symmetric shape to the asymmetric shape shifted by some amount corresponding to the exchange-biased field at the thickness of 25 Å. Also, the magnetic domain observation experiment confirms that the domain reversals in the increasing and the decreasing field regions of the sample with the thickness of 50 Å exhibit the same single domain wall motion even though they have the different coercivities.

Subject Areas

exchange bias effect; perpendicular exchange bias

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