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Micro- and Nanostructure Evolution with Exploding Wires

Published online by Cambridge University Press:  26 February 2011

Vandana NLN  and
P. Sen
Vandana NLN
Affiliation:
vandana_sps@yahoo.co.in, Jawaharlal Nehru University, School of Physical Sciences, School of Physical Sciences,Jawaharlal Nehru University, New Delhi-110067, India, New Delhi, Delhi, 110067, India
P. Sen
Affiliation:
psen0700@mail.jnu.ac.in, India
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Abstract

We present an experimental evidence of concentric ring pattern formation in a metal. They form during a single electro-explosion event in a needle-plate configuration. By measuring the dynamic progression of current during the explosion, we discuss evolution of these ring structures. Atomic force microscopy provides details of nanostructures that constitute these rings. From fluctuations in the plasma current recorded during the process, micro and nanostructure evolution is seen to be a self-organization process.

Keywords

nanostructuremicrostructureself-assembly
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 903: Symposium Z – Amorphous and Nanocrystalline Metals for Structural Applications , 2005 , 0903-Z05-32
Copyright
Copyright © Materials Research Society 2006

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