Optical phonon behavior and magnetism of columbite Zn0.8Co0.2Nb2O6 Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0403704), the National Natural Science Foundation of China (Grant Nos. 11304113, 11474127, and 11574112), and the Fundamental Research Funds for the Central Universities of China. |
Room temperature Raman spectrum. |