Submitted on: 20 May 2010.
Revised on: 19 June 2010.
Accepted on: 27 June 2010.
Physica Status Solidi-Rapid Research Letters
Submitted on: 14 April 2001.
Revised on: 06 May 2001.
Accepted on: 18 May 2001.
Physica Status Solidi-Rapid Research Letters
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Submitted on: 26 March 2023.
Revised on: 19 April 2023.
Accepted on: 09 May 2023.
Physica Status Solidi-Rapid Research Letters
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Submitted on: 18 September 2018.
Revised on: 16 October 2018.
Accepted on: 23 October 2018.
Physica Status Solidi-Rapid Research Letters
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