Magnetic patterning perpendicular anisotropy FePd alloy films by masked ion irradiation

被引：24

作者：

Merkel, D. G. ^{[1
]}

Bottyan, L. ^{[1
]}

Tancziko, F. ^{[1
]}

Zolnai, Z. ^{[2
]}

Nagy, N. ^{[2
]}

Vertesy, G. ^{[2
]}

Waizinger, J. ^{[2
]}

Bommer, L. ^{[3
]}

机构：

[1] KFKI Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary

[2] Hungarian Acad Sci, Res Inst Tech Phys & Mat Sci, H-1525 Budapest, Hungary

[3] Max Planck Inst Met Res, D-70569 Stuttgart, Germany

来源：

JOURNAL OF APPLIED PHYSICS | 2011年 / 109卷 / 12期

关键词：

THIN-FILMS; ORDERED COPT; MOSSBAUER; GROWTH; HE+;

D O I：

10.1063/1.3596535

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The nanopatterning of magnetic films by ion implantation is reported. Highly L1(0)-ordered Fe47Pd53 epitaxial alloy films on a MgO(001) substrate were covered by a monolayer of silica spheres in a Langmuir film balance. Using this sphere layer as an implantation mask, the samples were irradiated by Ne+ or Fe+ ions with energies of 35 keV and 100 keV, respectively. After the silica mask was removed, the samples were characterized via conversion electron Mossbauer spectroscopy, longitudinal and polar magneto-optical Kerr effect, and atomic force and magnetic force microscopy. We find that the magnetic stripe domains observed in the nonirradiated sample were converted into a regular 2D magnetic pattern of hcp character upon 1 x 10(15)/cm(2) 35 keV neon or 1 x 10(14)/cm(2) 100 keV iron irradiation, with the direction of magnetization remaining out of plane in the nodes of the hcp lattice and relaxed into the film plane in the inter-node region, resulting in an overall in-plane magnetic softening of the film. (C) 2011 American Institute of Physics. [doi:10.1063/1.3596535]

引用

页数：7

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