Monodispersive CoPt Nanoparticles Synthesized Using Chemical Reduction Method
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Abstract
Monodispersive CoPt nanoparticles in sizes of about 2.2nm are synthesized by superhydride reduction of CoCl2 and PtCl2 in diphenyl ether. The as-prepared nanoparticles show a chemically disordered A1 structure and are
superparamagnetic. Thermal annealing transforms the A1 structure into chemically ordered L10 structure and the particles are ferromagnetic at room temperature.
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SHEN Cheng-Min, HUI Chao, YANG Tian-Zhong, XIAO Cong-Wen, CHEN Shu-Tang, DING Hao, GAO Hong-Jun. Monodispersive CoPt Nanoparticles Synthesized Using Chemical Reduction Method[J]. Chin. Phys. Lett., 2008, 25(4): 1479-1481.
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SHEN Cheng-Min, HUI Chao, YANG Tian-Zhong, XIAO Cong-Wen, CHEN Shu-Tang, DING Hao, GAO Hong-Jun. Monodispersive CoPt Nanoparticles Synthesized Using Chemical Reduction Method[J]. Chin. Phys. Lett., 2008, 25(4): 1479-1481.
|
SHEN Cheng-Min, HUI Chao, YANG Tian-Zhong, XIAO Cong-Wen, CHEN Shu-Tang, DING Hao, GAO Hong-Jun. Monodispersive CoPt Nanoparticles Synthesized Using Chemical Reduction Method[J]. Chin. Phys. Lett., 2008, 25(4): 1479-1481.
|
SHEN Cheng-Min, HUI Chao, YANG Tian-Zhong, XIAO Cong-Wen, CHEN Shu-Tang, DING Hao, GAO Hong-Jun. Monodispersive CoPt Nanoparticles Synthesized Using Chemical Reduction Method[J]. Chin. Phys. Lett., 2008, 25(4): 1479-1481.
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