Publikation: Control of magnetic anisotropy and magnetic patterning of perpendicular Co/Pt multilayers by laser irradiation
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2006
Autor:innen
Schuppler, Christian
Habenicht, Anja
Guhr, Ildico
Maret, M.
Albrecht, Manfred
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Applied Physics Letters. 2006, 88, 012506. Available under: doi: 10.1063/1.2161811
Zusammenfassung
We report an approach to altering the magnetic properties of (111) textured Co/Pt multilayer films grown on sapphire (0001) substrates in a controlled way using single-pulse laser irradiation. The as-grown films reveal a strong perpendicular magnetic anisotropy induced by interfacial anisotropy. We show that laser irradiation can chemically mix the multilayer structure particularly at the interfaces, hence reducing the perpendicular magnetic anisotropy and coercivity in a controlled manner depending on laser fluence. As a result, perpendicular films can also be magnetically patterned into hard and soft magnetic regions using a regular two-dimensional lattice of polystyrene particles acting as an array of microlenses.
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SCHUPPLER, Christian, Anja HABENICHT, Ildico GUHR, M. MARET, Paul LEIDERER, Johannes BONEBERG, Manfred ALBRECHT, 2006. Control of magnetic anisotropy and magnetic patterning of perpendicular Co/Pt multilayers by laser irradiation. In: Applied Physics Letters. 2006, 88, 012506. Available under: doi: 10.1063/1.2161811BibTex
@article{Schuppler2006Contr-4944,
year={2006},
doi={10.1063/1.2161811},
title={Control of magnetic anisotropy and magnetic patterning of perpendicular Co/Pt multilayers by laser irradiation},
volume={88},
journal={Applied Physics Letters},
author={Schuppler, Christian and Habenicht, Anja and Guhr, Ildico and Maret, M. and Leiderer, Paul and Boneberg, Johannes and Albrecht, Manfred},
note={Article Number: 012506}
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<dcterms:abstract xml:lang="eng">We report an approach to altering the magnetic properties of (111) textured Co/Pt multilayer films grown on sapphire (0001) substrates in a controlled way using single-pulse laser irradiation. The as-grown films reveal a strong perpendicular magnetic anisotropy induced by interfacial anisotropy. We show that laser irradiation can chemically mix the multilayer structure particularly at the interfaces, hence reducing the perpendicular magnetic anisotropy and coercivity in a controlled manner depending on laser fluence. As a result, perpendicular films can also be magnetically patterned into hard and soft magnetic regions using a regular two-dimensional lattice of polystyrene particles acting as an array of microlenses.</dcterms:abstract>
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