Magnetic anisotropy studies in Ce/Fe and U/Fe multilayers

被引：0
|
作者：
Thomas, MF [1 ]
Case, GS
Bland, J
Lucas, CA
Herring, A
Stirling, WG
Boni, P
Tixier, S
Ward, RCC
Wells, MR
Langridge, S
机构：
[1] Univ Liverpool, Dept Phys, Liverpool L69 7ZE, Merseyside, England
[2] ETH Zurich, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
[3] PSI, CH-5232 Villigen, Switzerland
[4] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England
[5] Rutherford Appleton Lab, ISIS Facil, Didcot OX11 0QX, Oxon, England
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 2002年 / 189卷 / 02期
关键词：
D O I：
10.1002/1521-396X(200202)189:2<537::AID-PSSA537>3.0.CO;2-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Multilayer samples of Ce/Fe, fabricated by sputtering and characterized by X-ray diffraction and reflectivity were studied by polarized neutron reflectivity and Mossbauer spectroscopy. Corresponding studies on sputtered U/Fe multilayers have been initiated. In Fe/Ce a paramagnetic phase, identified as amorphous Fe was observed at Fe thicknesses below 20 Angstrom. Perpendicular magnetic anisotropy was observed for Fe thicknesses below 17 Angstrom and studies in applied fields enabled magnetic anisotropies to be evaluated for Fe thicknesses up to 40 Angstrom. The Ce/Fe interface anisotropy was evaluated as K-s = (0.98 +/- 0.15) x 10(-3) Jm(-2), among the largest values reported. Neutron reflectivity results did not observe magnetic moments on Ce layers. Preliminary measurements on U/Fe multilayers have not observed induced moments on the U layers.
引用
收藏
页码：537 / 543
页数：7
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