Author:
Li Zhiquan,Sun Yuchao,Gu Erdan,Niu Liyong,Li Wenchao
Funder
the National Natural Science Foundation of China
the Natural Science Foundation of Hebei Province, China
the Scientific Research Foundation of the State Human Resource Ministry
the Education Ministry for Returned Chinese Scholars, China
Subject
Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials