Magnetic Properties of Ni Nanoparticles and Ni(C) Nanocapsules

J Mater Sci Technol ›› 2002, Vol. 18 ›› Issue (02): 99-100.

• Research Articles • Previous Articles Next Articles

Magnetic Properties of Ni Nanoparticles and Ni(C) Nanocapsules

Z.J.Li, G.H.Wen, F.W.Wang, J.L.Yu, X.L.Dong, X.X.Zhang, Z.D.Zhang

Shenyang National Laboratory for Materials Science and International Centre for Materials Physics, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China...

Received:1900-01-01 Revised:1900-01-01 Online:2002-03-28 Published:2009-10-10
Contact: Z.D.Zhang

Abstract

Abstract: Structure and magnetic properties of Ni nanoparticles and Ni(C) nanocapsules were studied. The carbon atoms hardly affect the lattice of Ni to form Ni-C solid solution or nickel carbides. The large thermal irreversibility in zero-field-cooled and zero-field magnetization curves indicates magnetic blocking with a wide energy barrier. Saturation magnetization, remanent magnetization and coercivity of Ni(C) nanocapsules decrease with increasing temperature.

Key words: Nanoparticles, Nanocapsules, Magnetic properties

Z.J.Li, G.H.Wen, F.W.Wang, J.L.Yu, X.L.Dong, X.X.Zhang, Z.D.Zhang. Magnetic Properties of Ni Nanoparticles and Ni(C) Nanocapsules[J]. J Mater Sci Technol, 2002, 18(02): 99-100.

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Magnetic Properties of Ni Nanoparticles and Ni(C) Nanocapsules

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