Liu, P.
Zhu, Y.
Wang, H.
Zhu, C.
Zou, J.
Wu, J.
Hu, D.
Funding for this research was provided by:
the National Natural Science Foundation of China (21206013)
the Fundamental Research Funds for the Central Universities (DUT14ZD207)
Basic research project of Key Laboratory of Liaoning Provincial Education Department (LZ2015019)