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Shape-controlled Synthesis and Magnetic Properties of FePt Nanocubes
Mingge Zhou,Wei Li,Minggang Zhu,Dong Zhou,Yanglong Hou 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.63 No.3
In this research, FePt nanocubes, octapods and polyhedra were successfully prepared withMo(Co)6 as a reducing agent. The chemically-synthesized cubic FePt nanoparticles could easilybe self-assembled into an oriented nanoarray. These ordered nanomagnet arrays were expected toachieve high-density information storage and high performance in permanent magnets. The selfassembedFePt nanocubes were chemically disordered with a face centered cubic (fcc) structure. During annealing, these particles changed to a face-centered tetragonal (fct) order. The phase structure,the micro-morphology and magnetic properties were characterized by using X-ray diffraction(XRD), High resolution transmission electron microscope (HRTEM), Scanning electron microscope(SEM) and vibrating sample magnetometer (VSM).