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Iron/Nickel nanowire growth in anodic aluminum oxide templates: Transfer of length scales and periodicity

H D Yan1,2, P Lemmens1,2, H Dierke1, S C White1, F Ludwig3 and M Schilling2,3

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Anodic oxidation allows the preparation of aluminum oxide (AAO) templates with self-organized, ordered pores and diameters ranging from 10 nm to 200 nm. Electrochemical deposition of metals, semiconductors and oxides has been demonstrated. As a case study, we investigated the growth of Fe/Ni nanowires in the AAO templates. Transmission and scanning electron microscopy are used to optimize growth parameters and to demonstrate that length scales and periodicities of the templates can be transferred to the wire arrays. This paves the way for the preparation and investigation of tailored matter on nanoscales with emerging applications in photonics, sensorics and information technology.


PACS

81.07.-b Nanoscale materials and structures: fabrication and characterization

75.50.Tt Fine-particle systems; nanocrystalline materials

82.45.Yz Nanostructured materials in electrochemistry

81.16.Pr Nanooxidation

82.45.Qr Electrodeposition and electrodissolution

68.37.Lp Transmission electron microscopy (TEM)

Subjects

Surfaces, interfaces and thin films

Nanoscale science and low-D systems

Chemical physics and physical chemistry

Dates

Issue 1 (2009)



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