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Fabrication and magnetic functionalization of cylindrical porous anodic alumina

AuthorsSanz González, Ruy ; Hernández-Vélez, M. ; Pirota, K. R. ; Baldonedo, J. L.; Vázquez Villalabeitia, Manuel
Issue Date2007
CitationSmall 3 (3): 434-437 (2007)
AbstractThe fabrication and magnetic functionalization of cylindrical porous anodic alumna (CPAA) was examined. The process are engineered onto aluminum wires with milli- and micrometric diameter so that the grown nanopores are disposed in a radial configuration. The structural study revealed the possibility to make these CPAA permeable to obtain micronucleus with engineering manrope surfaces. CPAAs had been employed as templates for the preparation of highly ordered arrays of radical metallic nannies filling the pores by electroplating techniques. The final radial manrope diameter can be more accurately prepared by suitable wet etching in a phosphoric acid solution at varying concentrations. A progressive, exponentially decaying, modulating stairway reduction of voltage was applied from the corresponding anodizing voltage to decrease the oxide layer between the aluminum foil and the bottom of the pores.
Identifiersdoi: 10.1002/smll.200600520
issn: 1613-6810
Appears in Collections:(ICMM) Artículos
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