Submitted on: 27 October 2010.
Revised on: 13 November 2010.
Accepted on: 07 December 2010.
Materials Today Nano---ELSEVIER
Submitted on: 18 May 2010.
Revised on: 29 May 2010.
Accepted on: 08 June 2010.
Materials Today Nano
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Submitted on: 23 February 1998.
Revised on: 14 March 1998.
Accepted on: 10 April 1998.
Materials Today Nano---ELSEVIER
Submitted on: 14 November 2005.
Revised on: 03 December 2005.
Accepted on: 20 December 2005.
Materials Today Nano
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Submitted on: 03 January 2009.
Revised on: 28 January 2009.
Accepted on: 14 February 2009.
Materials Today Nano
Submitted on: 04 May 2007.
Revised on: 17 May 2007.
Accepted on: 12 June 2007.
Materials Today Nano---ELSEVIER
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