Size dependent magnetic properties and cation inversion in chemically synthesized MnFe2O4 nanoparticles. - Chinnasamy, C. N.; Yang, Aria; Yoon, S. D.; Hsu, Kailin; Shultz, M. D.; Carpenter, E. E.; Mukerjee, S.; Vittoria, C.; Harris, V. G. (Journal of Applied Physics, 2007)