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Thai, D. V.; Thang, P. V.; Ben, P. V.; Van, B. H.; Thi, T. M.; Nhat, H. N. Influence of Polyvinyl Pyrrolidone on Absorption and Radiation Transitions of Mn\(^{2 + }\) Ions in Mn-Doped ZnS Nanoparticles. Comm. Phys. 2016, 25, 349.