T. Anh Tan, N. Si Hieu, L. Ha Chi, D. Tran Chien, L. Dinh Trong and P. Duy Long, Structure and Electrochemical Impedance of LiNi\(_{x}\)Mn\(_{2 - x}\)O\(_{4}\), Comm. Phys. 26 (2017) 361. DOI: https://doi.org/10.15625/0868-3166/26/4/8953.