Absence of exchange interaction between localized magnetic moments and conduction-electrons in diluted Er3+ gold-nanoparticles

Journal of Applied Physics v. 115, n. 17, p. 17E128, 2014 2.185 10.1063/1.4867126 Lesseux, G. G.; Iwamoto, W. A.; Garcia-Flores, A. F.; Urbano, R. R.; Rettori, C. 2014