title: Synthesis of CoPt nanoparticles by a modified polyol method: characterization and magnetic properties.
abstract: CoPt nanoparticles with an average size of 3 nm and narrow distribution were synthesized by chemical reduction of Co(CH(3)COO)(2) and Pt(acac)(2) by polyethyleneglycol-200. The as-prepared nanoparticles have a disordered fcc structure which transformed after thermal treatment to an ordered fct structure, which results in coercivity up to 6 kOe at room temperature and 9 kOe at 5 K because of the high magnetocrystalline anisotropy of the tetragonal structure [Formula: see text].
authors: Institute of Materials Science, NCSR 'Demokritos', Agia Paraskevi 15310 Athens, Greece.
authors: Vassilios
authors: V
authors: Tzitzios
authors: Dimitrios
authors: D
authors: Niarchos
authors: Gjoka
authors: G
authors: Margariti
authors: J
authors: J
authors: Fidler
authors: Dimitrios
authors: D
authors: Petridis