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Submitted on: 13 January 2011.
Revised on: 05 May 2011.
Accepted on: 07 June 2011.
___________________International Journal of Nanoelectronics and Materials
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Submitted on: 29 December 2014.
Revised on: 23 February 2015.
Accepted on: 05 April 2015.
___________________International Journal of Nanoelectronics and Materials
Submitted on: 04 January 2015.
Revised on: 26 March 2015.
Accepted on: 19 April 2015.
___________________International Journal of Nanoelectronics and Materials
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