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In situ deposition/positioning of magnetic nanoparticles with ferroelectric nanolithography

Published online by Cambridge University Press:  01 March 2005

Xiaojun Lei ,
Dongbo Li ,
Rui Shao  and
Dawn A. Bonnell
Xiaojun Lei
Affiliation:
Department of Materials Science and Engineering, The University of Pennsylvania, Philadelphia, Pennsylvania 19104
Dongbo Li
Affiliation:
Department of Materials Science and Engineering, The University of Pennsylvania, Philadelphia, Pennsylvania 19104
Rui Shao
Affiliation:
Department of Materials Science and Engineering, The University of Pennsylvania, Philadelphia, Pennsylvania 19104
Dawn A. Bonnell*
Affiliation:
Department of Materials Science and Engineering, The University of Pennsylvania, Philadelphia, Pennsylvania 19104
*
a)Address all correspondence to this author. e-mail: Bonnell@lrsm.upenn.edu
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Abstract

Ferroelectric nanolithography is a new approach to processing nanostructures, which can position multiple components made of various materials into predefined configurations. Local polarization in ferroelectric compounds is manipulated to control the surface electronic structure and direct attachment of molecules and particles. Here, the presence of optically excited electron-hole pairs on ferroelectric domains is confirmed, and reaction paths for photo reduction of several reactive metal particles are determined. Subsequent and simultaneous deposition of multiple metals is demonstrated, and the magnetic properties of Co based particles are confirmed.

Keywords

NanoparticlePhotochemicalScanning probe microscopy (SPM)
Type
Articles
Information
Journal of Materials Research , Volume 20 , Issue 3 , March 2005 , pp. 712 - 718
Copyright
Copyright © Materials Research Society 2005

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References

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