TY - JOUR
T1 - Interface and magnetic characterization of FeCoV/NiO/FeCoV trilayers
AU - Shah, V. R.
AU - Schanzer, C.
AU - Böni, P.
AU - Braun, H. B.
N1 - Funding Information:
The authors are grateful to M. Horisberger for the kind help in the preparation of multilayers and to Dr. T. Gutberlet and Dr. M. Gupta for their assistance in PNR data collection. This work is based on experiments performed at the Swiss Spallation Neutron Source, Paul Scherrer Institute, Villigen, Switzerland.
PY - 2006/7
Y1 - 2006/7
N2 - The interface and magnetic properties of sputter-deposited FeCoV/NiO(t NiO)/FeCoV trilayers were analyzed by X-ray reflectivity, bulk magnetization, and polarized neutron reflectivity measurements. The layer depth profile, interface roughness, interface oxidation, etc. are obtained from specular X-ray reflectivity. The dc magnetization shows a coupled reversal of both FeCoV layers for t NiO < 20 nm, whereas for t NiO ≥ 20 nm, a step appears in the MH loop, which widens until t NiO reaches 40 nm. We investigated the magnetization state of the FeCoV layers during the magnetization reversal process by polarized neutron reflectivity measurements at selected points of the hysteresis loop. We conclude that the exchange coupling between the FM layers is accomplished by a spin twist mediated by the AF.
AB - The interface and magnetic properties of sputter-deposited FeCoV/NiO(t NiO)/FeCoV trilayers were analyzed by X-ray reflectivity, bulk magnetization, and polarized neutron reflectivity measurements. The layer depth profile, interface roughness, interface oxidation, etc. are obtained from specular X-ray reflectivity. The dc magnetization shows a coupled reversal of both FeCoV layers for t NiO < 20 nm, whereas for t NiO ≥ 20 nm, a step appears in the MH loop, which widens until t NiO reaches 40 nm. We investigated the magnetization state of the FeCoV layers during the magnetization reversal process by polarized neutron reflectivity measurements at selected points of the hysteresis loop. We conclude that the exchange coupling between the FM layers is accomplished by a spin twist mediated by the AF.
UR - http://www.scopus.com/inward/record.url?scp=33748928950&partnerID=8YFLogxK
U2 - 10.1134/S0031918X06130229
DO - 10.1134/S0031918X06130229
M3 - Article
AN - SCOPUS:33748928950
SN - 0031-918X
VL - 101
SP - S73-S77
JO - Physics of Metals and Metallography
JF - Physics of Metals and Metallography
IS - 1 SUPPL.
ER -