Rathaiah M, Haritha P, Lozano-Gorrín AD, Babu P, Jayasankar CK, Rodríguez-Mendoza UR, et al. Stokes and anti-Stokes luminescence in Tm3+/Yb3+-doped Lu3Ga5O12 nano-garnets: A study of multipolar interactions and energy transfer dynamics. Physical Chemistry Chemical Physics. 2016;18(21):14720-14729.