Submitted on: 21 August 2012.
Revised on: 14 September 2012.
Accepted on: 09 October 2012.
Materials Today Nano---ELSEVIER
Submitted on: 23 August 2010.
Revised on: 01 September 2010.
Accepted on: 12 September 2010.
Materials Today Nano---ELSEVIER
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http://reply.papertrans.cn/3/215/21404/21404-24.png
Submitted on: 12 February 2006.
Revised on: 03 March 2006.
Accepted on: 27 March 2006.
Materials Today Nano
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Submitted on: 15 September 2007.
Revised on: 14 October 2007.
Accepted on: 27 October 2007.
Materials Today Nano
Submitted on: 23 April 1999.
Revised on: 01 June 1999.
Accepted on: 15 June 1999.
Materials Today Nano---ELSEVIER
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