http://reply.papertrans.cn/2/188/18766/18766-21.png
http://reply.papertrans.cn/2/188/18766/18766-22.png
http://reply.papertrans.cn/2/188/18766/18766-23.png
Submitted on: 02 June 2015.
Revised on: 14 July 2015.
Accepted on: 28 August 2015.
___________________JOURNAL OF PHYSICS-CONDENSED MATTER
Submitted on: 09 August 2015.
Revised on: 17 November 2015.
Accepted on: 30 December 2015.
___________________JOURNAL OF PHYSICS-CONDENSED MATTER
Submitted on: 06 July 2014.
Revised on: 29 October 2014.
Accepted on: 21 November 2014.
___________________JOURNAL OF PHYSICS-CONDENSED MATTER
http://reply.papertrans.cn/2/188/18766/18766-27.png
Submitted on: 02 May 2016.
Revised on: 05 June 2016.
Accepted on: 23 June 2016.
___________________JOURNAL OF PHYSICS-CONDENSED MATTER
http://reply.papertrans.cn/2/188/18766/18766-29.png
Submitted on: 13 February 2000.
Revised on: 28 April 2000.
Accepted on: 25 May 2000.
___________________JOURNAL OF PHYSICS-CONDENSED MATTER