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Magnetic reversal in a YFe2 dominated DyFe2/YFe2 multilayer film

DOI: 10.1063/1.4746749 DOI Help

Authors: G. B. G. Stenning , G. J. Bowden , S. A. Gregory , J.-m. L. Beaujour , P. A. J. De Groot (University of Southampton) , L. R. Shelford (University of Exeter) , P. Bencok (Diamond Light Source) , P. Steadman (Diamond Light Source) , A. N. Dobrynin (Diamond Light Source) , T. Hesjedal (University of Oxford) , G. Van Der Laan (Diamond Light Source)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Applied Physics Letters , VOL 101 (7)

State: Published (Approved)
Published: August 2012
Diamond Proposal Number(s): 716

Abstract: Magnetic reversal in a (110)-oriented [DyFe 2 (60?Å)/YFe 2 (240?Å)]×15 multilayerfilm is investigated using magnetometry, micro-magnetic modeling, and element-specific soft x-ray magnetic circular dichroism. At temperatures between ?60 and 120?K, the magnetic reversal involves a two-step process. It is shown that the reversal mechanism can be described as switching from an in-plane [001] reversed anti-ferromagnetic state, to an out-of-plane [100] transverse spring exchange state, and finally to an in-plane [001 ¯ ] magnetic exchange spring state.

Journal Keywords: Magnetic Reversal; Magnetometry; Micro-Magnetic Modelling; Soft X-Ray Magnetic Circular Dichroism

Subject Areas: Materials

Instruments: I10-Beamline for Advanced Dichroism

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