Submitted on: 27 June 2019.
Revised on: 30 July 2019.
Accepted on: 18 August 2019.
Physics and Chemistry of Solid State
Submitted on: 29 July 2007.
Revised on: 07 September 2007.
Accepted on: 29 September 2007.
Physics and Chemistry of Solid State
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Submitted on: 22 September 2020.
Revised on: 27 October 2020.
Accepted on: 03 November 2020.
Physics and Chemistry of Solid State
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Submitted on: 29 July 2009.
Revised on: 07 August 2009.
Accepted on: 21 August 2009.
Physics and Chemistry of Solid State
Submitted on: 19 May 2004.
Revised on: 19 June 2004.
Accepted on: 27 June 2004.
Physics and Chemistry of Solid State
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