Submitted on: 16 November 2006.
Revised on: 24 February 2007.
Accepted on: 20 March 2007.
___________________ECS Journal of Solid State Science and Technology
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Submitted on: 26 August 2006.
Revised on: 08 November 2006.
Accepted on: 03 January 2007.
___________________ECS Journal of Solid State Science and Technology
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Submitted on: 31 October 2005.
Revised on: 17 January 2006.
Accepted on: 05 February 2006.
___________________ECS Journal of Solid State Science and Technology
Submitted on: 05 June 2000.
Revised on: 26 September 2000.
Accepted on: 20 November 2000.
___________________ECS Journal of Solid State Science and Technology
Submitted on: 16 September 1999.
Revised on: 31 December 1999.
Accepted on: 06 February 2000.
___________________ECS Journal of Solid State Science and Technology