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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 (University of Southampton) , G. J. Bowden (University of Southampton) , S. A. Gregory (University of Southampton) , J.-M. L. Beaujour (University of Southampton) , 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): 7162

Abstract: Magnetic reversal in a (110)-oriented [DyFe2(60Å)/YFe2(240Å)]×15 [ DyF e 2 ( 60   Å ) / YF e 2 ( 240   Å ) ] × 15 multilayer film 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⎯⎯] [ 00 1 ¯ ] magnetic exchange spring state.

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

Diamond Keywords: Ferromagnetism

Subject Areas: Materials, Physics

Instruments: I10-Beamline for Advanced Dichroism - scattering

Added On: 06/09/2012 10:10

Discipline Tags:

Quantum Materials Physics Magnetism Materials Science

Technical Tags:

Spectroscopy Circular Dichroism (CD) X-ray Magnetic Circular Dichroism (XMCD)