1. MOE Key Laboratory of New Processing Technology for Nonferrous Metal and Materials, Guangxi Universities Key Laboratory of Non-ferrous Metal Oxide Electronic Functional Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, PR China
2. UPR3079 CEMHTI, 1D Avenue de la Recherche Scientifique, Orléans CEDEX 2 45071, France
3. Université d’Orléans, Faculté des Sciences, Avenue du Parc Floral, Orléans CEDEX 2 45067, France