Publication detail

Analysis of oxygen induced anisotropy crossover in Pt/Co/MOx trilayers

MANCHON, A. DUCRUET, C. LOMBARD, L. AUFFRET, S. RODMACQ, B. DIENY, B. PIZZINI, S. VOGEL, J. UHLÍŘ, V. HOCHSTRASSER, M. PANACCIONE, G.

Original Title

Analysis of oxygen induced anisotropy crossover in Pt/Co/MOx trilayers

Type

journal article - other

Language

English

Original Abstract

Extraordinary Hall effect and x-ray spectroscopy measurements have been performed on a series of Pt/Co/MOx trilayers (M=Al, Mg, Ta, etc.) in order to investigate the role of oxidation in the onset of perpendicular magnetic anisotropy at the Co/MOx interface. It is observed that varying the plasma oxidation time modifies the magnetic properties of the Co layer, inducing a magnetic anisotropy crossover from in plane to out of plane. We focused on the influence of plasma oxidation on Pt/Co/AlOx perpendicular magnetic anisotropy. The interfacial electronic structure is analyzed via x-ray photoelectron spectroscopy measurements. It is shown that the maximum of out-of-plane magnetic anisotropy corresponds to the appearance of a significant density of Co-O bondings at the Co/AlOx interface. (C) 2008 American Institute of Physics.

Keywords

MAGNETIC TUNNEL-JUNCTIONS; MAGNETOCRYSTALLINE ANISOTROPY; PERPENDICULAR ANISOTROPY; AU MULTILAYERS; INTERFACE; OXIDATION; CO; MAGNETORESISTANCE; MONOLAYERS; INPLANE

Authors

MANCHON, A.; DUCRUET, C.; LOMBARD, L.; AUFFRET, S.; RODMACQ, B.; DIENY, B.; PIZZINI, S.; VOGEL, J.; UHLÍŘ, V.; HOCHSTRASSER, M.; PANACCIONE, G.

RIV year

2008

Released

15. 8. 2008

ISBN

0021-8979

Periodical

Journal of Aplied Physics

Year of study

104

Number

4

State

United States of America

Pages from

043914-1

Pages to

043914-7

Pages count

7