Magnetic Properties of Carbon-Encapsulated Ni Core-Shell Structure Nanoparticles by DC Arc Plasma

X.J. Wu; Z.Q. Wei; X.J. Chen; X. Wang; W.J. Feng; H. Yang; J.L. Jiang

doi:10.14233/ajchem.2014.18199

Issue

Vol. 26 No. 17 (2014): Vol 26 Issue 17

Issue Published : August 27, 2014

This work is licensed under a Creative Commons Attribution 4.0 International License.

Magnetic Properties of Carbon-Encapsulated Ni Core-Shell Structure Nanoparticles by DC Arc Plasma

https://doi.org/10.14233/ajchem.2014.18199

X.J. Wu

State Key Laboratory of Gansu Advanced New Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou 730050, P.R. China ; School of Science, Lanzhou University of Technology, Lanzhou 730050, P.R. China

Z.Q. Wei

X.J. Chen

State Key Laboratory of Gansu Advanced New Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou 730050, P.R. China

X. Wang

School of Science, Lanzhou University of Technology, Lanzhou 730050, P.R. China

W.J. Feng

School of Science, Lanzhou University of Technology, Lanzhou 730050, P.R. China

H. Yang

J.L. Jiang

School of Science, Lanzhou University of Technology, Lanzhou 730050, P.R. China

Corresponding Author(s) : Z.Q. Wei

zqwei7411@163.com

Asian Journal of Chemistry, Vol. 26 No. 17 (2014): Vol 26 Issue 17
Article Published : August 12, 2014

Abstract

Carbon encapsulated nickel nanoparticles were prepared via DC arc plasma process. The composition, morphologies, microstructure, particle size and magnetic properties of the particles were characterized via X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), X-ray energy dispersive spectrometry (XEDS) and vibrating sample magnetometer (VSM). The experiment results show that the carbon encapsulated nickel nanoparticles possesses clear core-shell structure. The core of the particles is face centered cubic structure Ni and the shell is carbon. The particles are scattered homogeneously in spherical or ellipsoidal shapes. The particle size of the nanocapsules ranges from 15-40 nm with the average value about 30 nm. The particle diameter of the core is about 18 nm and the thickness of the shells is about 6-8 nm and the magnetic properties of the products are paramagnetic at room temperature.

Keywords

Carbon-encapsulated Nanoparticles DC arc plasma Microstructure Magnetic properties

Wu, X., Wei, Z., Chen, X., Wang, X., Feng, W., Yang, H., & Jiang, J. (2014). Magnetic Properties of Carbon-Encapsulated Ni Core-Shell Structure Nanoparticles by DC Arc Plasma. Asian Journal of Chemistry, 26(17), 5761–5764. https://doi.org/10.14233/ajchem.2014.18199

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S. Subramoney, Adv. Mater., 10, 1157 (1998); doi:10.1002/(SICI)1521-4095(199810)10:15<1157::AID-ADMA1157>3.0.CO;2-N.

M. Bystrzejewski, K. Pyrzynska, A. Huczko and H. Lange, Carbon, 47, 1201 (2009); doi:10.1016/j.carbon.2009.01.007.

J. Dobson, Drug Dev. Res., 67, 55 (2006); doi:10.1002/ddr.20067.

H. Tokoro, T. Nakabayashi, S. Fujii, H. Zhao and U.O. Häfeli, J. Magn. Magn.Mater.,321, 1676 (2009); doi:10.1016/j.jmmm.2009.02.112.

C. Baker, S.K. Hasanain and S.I. Shah, J. Appl. Phys., 96, 6657 (2004); doi:10.1063/1.1806263.

V.P. Dravid, J.J. Host, M. Teng, B.E.J. Hwang, D.L. Johnson, T.O. Mason and J.R. Weertman, Nature, 374, 602 (1995); doi:10.1038/374602a0.

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Issue

Vol. 26 No. 17 (2014): Vol 26 Issue 17

Magnetic Properties of Carbon-Encapsulated Ni Core-Shell Structure Nanoparticles by DC Arc Plasma

Corresponding Author(s) : Z.Q. Wei

Abstract

Keywords

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