Issue 16, 2014
From the journal:

RSC Advances

Magnetic domains in rolled-up nanomembranes of Co/Pt multilayers with perpendicular magnetic anisotropy†

J. Zarpellon,ab   H. F. Jurca,ac   J. Varalda,a   C. Deranlot,d   J. M. George,d   M. D. Martins,e   S. O. Parreiras,e   C. Mülleraf  and  D. H. Mosca*a  

* Corresponding authors

a Laboratório de Nanoestruturas para Sensores, Universidade Federal do Paraná, Centro Politécnico, Caixa Postal 19091, 81531-990 Curitiba, Brazil
E-mail: mosca@fisica.ufpr.br

b Instituto Federal do Paraná – Campus Paranaguá – Rua Antônio Carlos Rodrigues 453 - Porto Seguro, 83215-750 Paranaguá, Brazil

c Instituto Federal do Paraná – Campus Irati – Rua Pedro Koppe, 100 – Vila Matilde, 8400-500 Irati, Brazil

d Unité Mixte de Physique CNRS–Thales and Université Paris-Sud, Campus de Polytechnique, 1, Avenue Augustin Fresnel, 91767, Palaiseau, Cedex, France

e Laboratório de Nanoscopia, Centro de Desenvolvimento da Tecnologia Nuclear, 31270-901 Belo Horizonte, MG, Brazil

f Technische Universität Chemnitz, Chemnitz, Germany

Abstract

Compact rolled-up nanomembranes of high quality (111)-oriented Co/Pt multilayers with perpendicular magnetic anisotropy are realized by combining strain engineering with top-down preparation methods. Magnetic force microscopy analyses were performed in the demagnetized state and under magnetic fields applied on rolled-up Co/Pt tubes. Observed magnetic domains are composed of radially polarized stripe-shaped domains. The stripes running along the rolled-up tubes axis are observed for magnetic fields applied along this direction, whereas a salmon-like pattern is observed for magnetic fields applied along the tube diameter. Present results indicate potential for applications as magnetic encoders and servo motors.

Graphical abstract: Magnetic domains in rolled-up nanomembranes of Co/Pt multilayers with perpendicular magnetic anisotropy

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Article information

DOI
https://doi.org/10.1039/C3RA46340K
Article type
Paper
Submitted
01 Nov 2013
Accepted
14 Jan 2014
First published
15 Jan 2014

RSC Adv., 2014,4, 8410-8414

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Magnetic domains in rolled-up nanomembranes of Co/Pt multilayers with perpendicular magnetic anisotropy

J. Zarpellon, H. F. Jurca, J. Varalda, C. Deranlot, J. M. George, M. D. Martins, S. O. Parreiras, C. Müller and D. H. Mosca, RSC Adv., 2014, 4, 8410 DOI: 10.1039/C3RA46340K

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