Magnetic properties of SiO2-coated Fe nanoparticles

Mingzhong Wu; Y. D. Zhang; S. Hui; T. D. Xiao; Shihui Ge; W. A. Hines; J. I. Budnick; M. J. Yacaman

doi:10.1063/1.1518757

Magnetic properties of SiO₂-coated Fe nanoparticles

Mingzhong Wu, Y. D. Zhang, S. Hui, T. D. Xiao, Shihui Ge, W. A. Hines, J. I. Budnick, M. J. Yacaman

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58 Scopus citations

Abstract

The synthesis of SiO₂-coated Fe nanoparticles and their structural and magnetic properties were discussed. The saturation magnetization of the particles increased with increasing calcination temperature, while their coercivity decreased with the increase in calcination temperature. The exchange anisotropy arising from the exchanged acrossed the Fe/ferrihydrite interfaces was investigated and was used in interpreting the observed temperature behaviors.

Original language	English (US)
Pages (from-to)	6809-6812
Number of pages	4
Journal	Journal of Applied Physics
Volume	92
Issue number	11
DOIs	https://doi.org/10.1063/1.1518757
State	Published - Dec 1 2002
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.1518757

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title = "Magnetic properties of SiO2-coated Fe nanoparticles",

abstract = "The synthesis of SiO2-coated Fe nanoparticles and their structural and magnetic properties were discussed. The saturation magnetization of the particles increased with increasing calcination temperature, while their coercivity decreased with the increase in calcination temperature. The exchange anisotropy arising from the exchanged acrossed the Fe/ferrihydrite interfaces was investigated and was used in interpreting the observed temperature behaviors.",

author = "Mingzhong Wu and Zhang, {Y. D.} and S. Hui and Xiao, {T. D.} and Shihui Ge and Hines, {W. A.} and Budnick, {J. I.} and Yacaman, {M. J.}",

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AU - Wu, Mingzhong

AU - Zhang, Y. D.

AU - Hui, S.

AU - Xiao, T. D.

AU - Ge, Shihui

AU - Hines, W. A.

AU - Budnick, J. I.

AU - Yacaman, M. J.

PY - 2002/12/1

Y1 - 2002/12/1

N2 - The synthesis of SiO2-coated Fe nanoparticles and their structural and magnetic properties were discussed. The saturation magnetization of the particles increased with increasing calcination temperature, while their coercivity decreased with the increase in calcination temperature. The exchange anisotropy arising from the exchanged acrossed the Fe/ferrihydrite interfaces was investigated and was used in interpreting the observed temperature behaviors.

AB - The synthesis of SiO2-coated Fe nanoparticles and their structural and magnetic properties were discussed. The saturation magnetization of the particles increased with increasing calcination temperature, while their coercivity decreased with the increase in calcination temperature. The exchange anisotropy arising from the exchanged acrossed the Fe/ferrihydrite interfaces was investigated and was used in interpreting the observed temperature behaviors.

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ER -

Magnetic properties of SiO₂-coated Fe nanoparticles

Abstract

ASJC Scopus subject areas

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