[1] Guilin Univ Technol, Coll Mat Sci & Engn, Guangxi Univ Key Lab Nonferrous Met Oxide Elect F, State Key Lab Breeding Base Nonferrous Met & Spec, Guilin 541004, Peoples R China
[2] Guilin Univ Technol, Coll Informat Sci & Engn, Guilin 541004, Peoples R China
[3] Three Gorges Univ, Coll Mat & Chem Engn, Key Lab Inorgan Nonmetall Crystalline & Energy Co, Yichang 443002, Peoples R China
[4] Queen Mary Univ London, Sch Engn & Mat Sci, London E1 4NS, England