Funding for this research was provided by:
Research Fund for the Doctoral Program of Higher Education of China (20131404110001)
characteristic & preponderant discipline of “1331 engineering” of Shanxi Province, Materials science and Engineering (205205)
Graduate Student Education Innovation Project of Shanxi Province (2016BY096)
National Natural Science Foundation of China (21171110)
Article History
Received: 22 December 2017
First Online: 21 February 2018