Volume 102, Number 1, April 2013
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||18 April 2013|
Magnetic structure of a single-crystal hcp electrodeposited cobalt nanowire
1 Instituto de Ciencia de Materiales de Madrid, CSIC - Cantoblanco, 28049, Madrid, Spain, EU
2 CIC nanoGUNE Consolider - Av. de Tolosa 76, 20018, San Sebastian, Spain, EU
3 IKERBASQUE, Basque Foundation for Science - 48011, Bilbao, Spain, EU
4 Far Eastern Federal University - 8 Sukhanova St., 690950, Vladivostok, Russia
5 Departamento de Física, Grupo de Física de la Materia Condensada, Universidad de los Andes - Bogotá, Colombia
Received: 26 December 2012
Accepted: 14 March 2013
We report on the magnetic and structural properties of an individual 40 nm diameter magnetic nanowire, prepared by electrodeposition into anodic alumina templates. The high-resolution transmission electron microscopy and the X-ray diffraction reveal the monocrystalline hcp structure along the whole 10 μm nanowire length with the c-axis almost perpendicular to the nanowire axis. This observation allows the understanding of magnetic properties of the nanowire. The magnetic state observed by magnetic force microscopy and modelled by micromagnetic simulations is interpreted as consisting of tilted vortices with alternating chiralities.
PACS: 75.75.-c – Magnetic properties of nanostructures / 75.30.Gw – Magnetic anisotropy / 75.70.Kw – Domain structure (including magnetic bubbles and vortices)
© EPLA, 2013
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