Submitted on: 03 February 2017.
Revised on: 02 March 2017.
Accepted on: 10 March 2017.
Nanoscale Research Letters---SPRINGER HEIDELBERGN/A
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Submitted on: 31 August 2008.
Revised on: 24 September 2008.
Accepted on: 14 October 2008.
Nanoscale Research Letters
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Submitted on: 05 February 2005.
Revised on: 11 March 2005.
Accepted on: 26 March 2005.
Nanoscale Research Letters
Submitted on: 12 February 1998.
Revised on: 24 March 1998.
Accepted on: 15 April 1998.
Nanoscale Research Letters---SPRINGER HEIDELBERGN/A
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