Affiliation: | 1. National Laboratory of Superhard Materials, Jilin University, Changchun 130012, China;2. Adult Education College of Changchun University, Changchun 130000, China;3. College of Physics, Jilin University, Changchun 130012, China;4. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China |