title: Superparamagnetic magnetite colloidal nanocrystal clusters.
authors.affiliation: Department of Chemistry, University of California, Riverside, CA 92521, USA.
authors.forename: Jianping
authors.initials: J
authors.lastname: Ge
authors.forename: Yongxing
authors.initials: Y
authors.lastname: Hu
authors.forename: Maurizio
authors.initials: M
authors.lastname: Biasini
authors.forename: Ward P
authors.initials: WP
authors.lastname: Beyermann
authors.forename: Yadong
authors.initials: Y
authors.lastname: Yin