Solution Epitaxial Growth of Cobalt Nanowires on Crystalline Substrates for Data Storage Densities beyond 1 Tbit/in super(2)

The implementation of nano-objects in numerous emerging applications often demands their integration in macroscopic devices. Here we present the bottom-up epitaxial solution growth of high-density arrays of vertical 5 nm diameter single-crystalline metallic cobalt nanowires on wafer-scale crystallin...

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Veröffentlicht in:Nano letters 2014-06, Vol.14 (6), p.3481-3486-3481-3486
Hauptverfasser: Liakakos, Nikolaos, Blon, Thomas, Achkar, Charbel, Vilar, Virginie, Cormary, Benoit, Tan, Reasmey P, Benamara, Omar, Chaboussant, Gregory, Ott, Frederic, Warot-Fonrose, Benedicte, Snoeck, Etienne, Chaudret, Bruno, Soulantica, Katerina, Respaud, Marc
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container_end_page 3486-3481-3486
container_issue 6
container_start_page 3481
container_title Nano letters
container_volume 14
creator Liakakos, Nikolaos
Blon, Thomas
Achkar, Charbel
Vilar, Virginie
Cormary, Benoit
Tan, Reasmey P
Benamara, Omar
Chaboussant, Gregory
Ott, Frederic
Warot-Fonrose, Benedicte
Snoeck, Etienne
Chaudret, Bruno
Soulantica, Katerina
Respaud, Marc
description The implementation of nano-objects in numerous emerging applications often demands their integration in macroscopic devices. Here we present the bottom-up epitaxial solution growth of high-density arrays of vertical 5 nm diameter single-crystalline metallic cobalt nanowires on wafer-scale crystalline metal surfaces. The nanowires form regular hexagonal arrays on unpatterned metallic films. These hybrid heterostructures present an important perpendicular magnetic anisotropy and pave the way to a high density magnetic recording device, with capacities above 10 Terabits/in super(2). This method bypasses the need of assembling and orientating free colloidal nanocrystals on surfaces. Its generalization to other materials opens new perspectives toward many applications. Keywords: Anisotropic nanoparticles; self-organization; cobalt nanowires; nanomagnet array; bit patterned media; epitaxial growth
doi_str_mv 10.1021/nl501018z
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source ACS Publications
subjects Arrays
Cobalt
Crystal structure
Devices
Epitaxial growth
High density
Nanostructure
Nanowires
title Solution Epitaxial Growth of Cobalt Nanowires on Crystalline Substrates for Data Storage Densities beyond 1 Tbit/in super(2)
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