Submitted on: 19 February 1998.
Revised on: 22 May 1998.
Accepted on: 13 June 1998.
___________________Applied Surface Science Advances
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Submitted on: 23 January 2000.
Revised on: 17 March 2000.
Accepted on: 09 April 2000.
___________________Applied Surface Science Advances
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Submitted on: 01 September 2012.
Revised on: 29 October 2012.
Accepted on: 27 December 2012.
___________________Applied Surface Science Advances
Submitted on: 03 June 1998.
Revised on: 20 July 1998.
Accepted on: 18 August 1998.
___________________Applied Surface Science Advances
Submitted on: 10 October 2011.
Revised on: 27 December 2011.
Accepted on: 24 February 2012.
___________________Applied Surface Science Advances
Submitted on: 14 September 2007.
Revised on: 06 October 2007.
Accepted on: 02 November 2007.
___________________Applied Surface Science Advances
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