Browsing Department of Physics by Subject "Magnetic transition temperature"

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    • Phase Transformation and Magnetic Hardening in Isolated FePt Nanoparticles 

      Liu, J. Ping; Rong, Chuan-Bing; Nandwana, Vikas; Poudyal, Narayan; Chaubey, Girija Shankar (IEEEDepartment of Physics, The University of Texas at Arlington, 2009-03-31)
      Isolated monodisperse L1[subscript]0 FePt nanoparticles coated by carbon were obtained by adding enough surfactants that decomposed into carbon after the chemical synthesis and postannealing of the A1 FePt nanoparticles. ...

    • Temperature- and magnetic-field-induced phase transitions in Fe-rich FePt alloys 

      Rong, Chuan-Bing; Liu, J. Ping (American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2007-06-01)
      Structural and magnetic properties of the FexPt100-x (x=78–88) alloys have been investigated. It is found that for all of the investigated compositions, a phase transition occurs from the disordered γ phase to the ordered ...