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Engineered fabrication of ordered arrays of Au-NiO-Au nanowires.

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Title: Engineered fabrication of ordered arrays of Au-NiO-Au nanowires.
Authors: Perego, J. Daniele1, Franz, Silvia1 silvia.franz@polimi.it, Bestetti, Massimiliano1, Cattaneo, Laura1, Brivio, Stefano2, Tallarida, Grazia2, Spiga, Sabina2
Source: Nanotechnology. 2013, Vol. 24 Issue 4, p1-8. 8p.
Subjects: Nanowires, Electroforming, Aluminum oxide, Nanostructured materials, Heterojunctions
Abstract: In the present paper, a novel method to fabricate ordered arrays of Au/NiO/Au nanowires is described, with the aim of filling the gap between the fundamental study of the electrical properties of scattered single nanowires and the engineered fabrication of nanowire arrays. This approach mainly consists of the following steps: (a) electrodeposition of Au/Ni/Au nanowires into an ordered porous anodic aluminum oxide template; (b) mechanical polishing of the sample to expose the gold tips of Au/Ni/Au nanowires to the template surface; (c) in situ annealing of the Au/Ni/Au nanowires without removing the template. The resulting structure consists in an ordered array of Au/NiO/Au nanowires slightly protruding out of a flat aluminum oxide template. Unlike current approaches, with the described method it is not necessary to remove the template in order to oxidize the middle metal, thus allowing the availability of an entire set of metal/oxide/metal nanowires ordered in a two-dimensional matrix and where single heterojunctions can be accessed individually. [ABSTRACT FROM AUTHOR]
Copyright of Nanotechnology is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 90045767
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PubType: Academic Journal
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  Data: Engineered fabrication of ordered arrays of Au-NiO-Au nanowires.
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  Data: <searchLink fieldCode="AR" term="%22Perego%2C+J%2E+Daniele%22">Perego, J. Daniele</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Franz%2C+Silvia%22">Franz, Silvia</searchLink><relatesTo>1</relatesTo><i> silvia.franz@polimi.it</i><br /><searchLink fieldCode="AR" term="%22Bestetti%2C+Massimiliano%22">Bestetti, Massimiliano</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Cattaneo%2C+Laura%22">Cattaneo, Laura</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Brivio%2C+Stefano%22">Brivio, Stefano</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Tallarida%2C+Grazia%22">Tallarida, Grazia</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Spiga%2C+Sabina%22">Spiga, Sabina</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Nanotechnology%22">Nanotechnology</searchLink>. 2013, Vol. 24 Issue 4, p1-8. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Nanowires%22">Nanowires</searchLink><br /><searchLink fieldCode="DE" term="%22Electroforming%22">Electroforming</searchLink><br /><searchLink fieldCode="DE" term="%22Aluminum+oxide%22">Aluminum oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Nanostructured+materials%22">Nanostructured materials</searchLink><br /><searchLink fieldCode="DE" term="%22Heterojunctions%22">Heterojunctions</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: In the present paper, a novel method to fabricate ordered arrays of Au/NiO/Au nanowires is described, with the aim of filling the gap between the fundamental study of the electrical properties of scattered single nanowires and the engineered fabrication of nanowire arrays. This approach mainly consists of the following steps: (a) electrodeposition of Au/Ni/Au nanowires into an ordered porous anodic aluminum oxide template; (b) mechanical polishing of the sample to expose the gold tips of Au/Ni/Au nanowires to the template surface; (c) in situ annealing of the Au/Ni/Au nanowires without removing the template. The resulting structure consists in an ordered array of Au/NiO/Au nanowires slightly protruding out of a flat aluminum oxide template. Unlike current approaches, with the described method it is not necessary to remove the template in order to oxidize the middle metal, thus allowing the availability of an entire set of metal/oxide/metal nanowires ordered in a two-dimensional matrix and where single heterojunctions can be accessed individually. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nanotechnology is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1088/0957-4484/24/4/045302
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      – Code: eng
        Text: English
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        PageCount: 8
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      – SubjectFull: Nanowires
        Type: general
      – SubjectFull: Electroforming
        Type: general
      – SubjectFull: Aluminum oxide
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      – SubjectFull: Nanostructured materials
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      – SubjectFull: Heterojunctions
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      – TitleFull: Engineered fabrication of ordered arrays of Au-NiO-Au nanowires.
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            NameFull: Franz, Silvia
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            NameFull: Bestetti, Massimiliano
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              Text: 2013
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