Patents Assigned to Peiking University
  • Composite material composed of nanoparticles of transition metal and magnetic ferric oxide, a methode of preparing the same, and uses of the same
    Patent number: 7947191
    Abstract: A composite material composed of nanoparticles of transition metal(s) and magnetic ferric oxide, a method of preparing the same, and uses of the same are provided. The composite material is substantially composed of nanoparticles of transition metal(s) or alloy thereof and nanoparticles of magnetic ferric oxide, the size of nanoparticles of transition metal(s) or alloy thereof is in the range of 0.7 to 5 nm, the size of nanoparticles of magnetic ferric oxide is in the range of 5 to 50 nm, and the amount of transition metal(s) or alloy thereof is in the range of 0.1 to 30 wt %, based on the total weight of composite material, the magnetic ferric oxide is gamma-Fe2O3, Fe3O4, complex obtained from gamma-Fe2O3 by partial reduction, or complex obtained from Fe3O4 by partial reduction.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: May 24, 2011
    Assignee: Peiking University
    Inventors: Yuan Wang, Junling Zhang, Minghui Liang, Xiaodong Wang, Yongge Wei, Linlin Gui
  • COMPOSITE MATERIAL COMPOSED OF NANOPARTICLES OF TRANSITION METAL AND MAGNETIC FERRIC OXIDE, A METHODE OF PREPARING THE SAME, AND USES OF THE SAME
    Publication number: 20090124834
    Abstract: A composite material composed of nanoparticles of transition metal(s) and magnetic ferric oxide, a method of preparing the same, and uses of the same are provided. The composite material is substantially composed of nanoparticles of transition metal(s) or alloy thereof and nanoparticles of magnetic ferric oxide, the size of nanoparticles of transition metal(s) or alloy thereof is in the range of 0.7 to 5 nm, the size of nanoparticles of magnetic ferric oxide is in the range of 5 to 50 nm, and the amount of transition metal(s) or alloy thereof is in the range of 0.1 to 30 wt %, based on the total weight of composite material, the magnetic ferric oxide is gamma-Fe2O3, Fe3O4, complex obtained from gamma-Fe2O3 by partial reduction, or complex obtained from Fe3O4 by partial reduction.
    Type: Application
    Filed: October 12, 2005
    Publication date: May 14, 2009
    Applicant: Peiking University
    Inventors: Yuan Wang, Junling Zhang, Minghui Liang, Xiaodong Wang, Yongge Wei, Linlin Gui