Submitted on: 06 November 2009.
Revised on: 15 February 2010.
Accepted on: 29 March 2010.
___________________Electronic Structure---IOP PUBLISHING LTD
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Submitted on: 13 August 2015.
Revised on: 19 October 2015.
Accepted on: 13 November 2015.
___________________Electronic Structure---IOP PUBLISHING LTD
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Submitted on: 15 July 2013.
Revised on: 24 August 2013.
Accepted on: 16 September 2013.
___________________Electronic Structure---IOP PUBLISHING LTD
http://reply.papertrans.cn/1/83/8234/8234-26.png
Submitted on: 02 August 2020.
Revised on: 25 September 2020.
Accepted on: 13 October 2020.
___________________Electronic Structure---IOP PUBLISHING LTD
Submitted on: 01 February 2018.
Revised on: 24 March 2018.
Accepted on: 11 April 2018.
___________________Electronic Structure---IOP PUBLISHING LTD
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