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Registro de acceso abierto Distinguishing nanowire and nanotube formation by the deposition current transients

Autor :Proenca, M. P.
Sousa, C. T.
Ventura, J.
Vázquez, M.
Araujo, J. P.
Fecha de publicación :31-may-2012
Editor:BioMed Central
Citación :Nanoscale Research Letters. 7(1):280 (2012)
Resumen :AbstractHigh aspect ratio Ni nanowires (NWs) and nanotubes (NTs) were electrodeposited inside ordered arrays of self-assembled pores (approximately 50 nm in diameter and approximately 50 μm in length) in anodic alumina templates by a potentiostatic method. The current transients monitored during each process allowed us to distinguish between NW and NT formation. The depositions were long enough for the deposited metal to reach the top of the template and form a continuous Ni film. The overfilling process was found to occur in two steps when depositing NWs and in a single step in the case of NTs. A comparative study of the morphological, structural, and magnetic properties of the Ni NWs and NTs was performed using scanning electron microscopy, X-ray diffraction, and vibrating sample magnetometry, respectively.
URI :http://hdl.handle.net/10261/57677
Identificadores:http://dx.doi.org/10.1186/1556-276X-7-280
Aparece en las colecciones: (ICMM) Artículos

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