Submitted on: 14 September 2018.
Revised on: 24 October 2018.
Accepted on: 13 December 2018.
___________________JOURNAL OF PHYSICS D-APPLIED PHYSICS
Submitted on: 24 October 2011.
Revised on: 20 January 2012.
Accepted on: 11 February 2012.
___________________JOURNAL OF PHYSICS D-APPLIED PHYSICS
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Submitted on: 04 November 2007.
Revised on: 17 February 2008.
Accepted on: 03 March 2008.
___________________JOURNAL OF PHYSICS D-APPLIED PHYSICS
Submitted on: 29 December 2020.
Revised on: 18 April 2021.
Accepted on: 11 June 2021.
___________________JOURNAL OF PHYSICS D-APPLIED PHYSICS
Submitted on: 16 February 2020.
Revised on: 05 April 2020.
Accepted on: 02 May 2020.
___________________JOURNAL OF PHYSICS D-APPLIED PHYSICS
Submitted on: 10 March 2010.
Revised on: 06 May 2010.
Accepted on: 20 May 2010.
___________________JOURNAL OF PHYSICS D-APPLIED PHYSICS
Submitted on: 14 June 2019.
Revised on: 16 September 2019.
Accepted on: 05 November 2019.
___________________JOURNAL OF PHYSICS D-APPLIED PHYSICS