Submitted on: 09 August 2017.
Revised on: 16 September 2017.
Accepted on: 17 October 2017.
___________________APPLIED SURFACE SCIENCE---ELSEVIER
http://reply.papertrans.cn/1/23/2294/2294-32.png
Submitted on: 18 April 2019.
Revised on: 11 May 2019.
Accepted on: 26 June 2019.
___________________APPLIED SURFACE SCIENCE---ELSEVIER
http://reply.papertrans.cn/1/23/2294/2294-34.png
Submitted on: 18 July 2019.
Revised on: 11 October 2019.
Accepted on: 03 December 2019.
___________________APPLIED SURFACE SCIENCE---ELSEVIER
Submitted on: 11 June 2018.
Revised on: 15 July 2018.
Accepted on: 14 August 2018.
___________________APPLIED SURFACE SCIENCE---ELSEVIER