Permanent magnetism, magnetic anisotropy and hysteresis in thiol-capped Au nanoparticles

P. Crespo, R. Litran, T.C. Rojas, M. Multigner, J.M. de la Fuente, J.C. Sanchez-Lopez, M.A. Garcia, A. Hernando, S. Penades, A. Fernandez. Permanent magnetism, magnetic anisotropy and hysteresis in thiol-capped Au nanoparticles. Phys. Rev. Let.. 2004, Vol. 93, p. 87204-2004.