Magnetoelectric behavior of carbonyl iron mixed Mn oxide-coated ferrite nanoparticles

Faris B Abdul Ahad; Shang Fan Lee; Dung Shing Hung; Yeong Der Yao; Ruey Bin Yang; Chung Kwei Lin; Chien Yie Tsay

doi:10.1063/1.3360357

Magnetoelectric behavior of carbonyl iron mixed Mn oxide-coated ferrite nanoparticles

Faris B Abdul Ahad, Shang Fan Lee, Dung Shing Hung, Yeong Der Yao, Ruey Bin Yang, Chung Kwei Lin, Chien Yie Tsay

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The dielectric and magnetic properties of manganese oxide-coated Fe ₃ O₃ nanoparticles (NPs) were measured by the cavity perturbation method at x-band microwave frequencies ranging from 7-12.5 GHz with controlled external magnetic field up to 2.2 kOe at room temperature. Different ratios (5%, 10%, and 20% by weight) of coated NPs were prepared by sol-gel method then mixed with carbonyl iron powder in epoxy matrix. The saturation magnetization is inversely proportional to the NPs ratio in the mixture between 150 and 180 emu/g. The real part of the permittivity decreased with increasing NPs concentration, but the permittivity change by magnetic field increased. The tunability behavior is explained by insulator-ferromagnetic interface magnetoelectricity and the large surface volume ratio for the NPs.

Original language	English
Article number	09D904
Journal	Journal of Applied Physics
Volume	107
Issue number	9
DOIs	https://doi.org/10.1063/1.3360357
Publication status	Published - May 1 2010
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.3360357

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title = "Magnetoelectric behavior of carbonyl iron mixed Mn oxide-coated ferrite nanoparticles",

abstract = "The dielectric and magnetic properties of manganese oxide-coated Fe 3 O3 nanoparticles (NPs) were measured by the cavity perturbation method at x-band microwave frequencies ranging from 7-12.5 GHz with controlled external magnetic field up to 2.2 kOe at room temperature. Different ratios (5%, 10%, and 20% by weight) of coated NPs were prepared by sol-gel method then mixed with carbonyl iron powder in epoxy matrix. The saturation magnetization is inversely proportional to the NPs ratio in the mixture between 150 and 180 emu/g. The real part of the permittivity decreased with increasing NPs concentration, but the permittivity change by magnetic field increased. The tunability behavior is explained by insulator-ferromagnetic interface magnetoelectricity and the large surface volume ratio for the NPs.",

author = "Ahad, {Faris B Abdul} and Lee, {Shang Fan} and Hung, {Dung Shing} and Yao, {Yeong Der} and Yang, {Ruey Bin} and Lin, {Chung Kwei} and Tsay, {Chien Yie}",

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T1 - Magnetoelectric behavior of carbonyl iron mixed Mn oxide-coated ferrite nanoparticles

AU - Ahad, Faris B Abdul

AU - Lee, Shang Fan

AU - Hung, Dung Shing

AU - Yao, Yeong Der

AU - Yang, Ruey Bin

AU - Lin, Chung Kwei

AU - Tsay, Chien Yie

PY - 2010/5/1

Y1 - 2010/5/1

N2 - The dielectric and magnetic properties of manganese oxide-coated Fe 3 O3 nanoparticles (NPs) were measured by the cavity perturbation method at x-band microwave frequencies ranging from 7-12.5 GHz with controlled external magnetic field up to 2.2 kOe at room temperature. Different ratios (5%, 10%, and 20% by weight) of coated NPs were prepared by sol-gel method then mixed with carbonyl iron powder in epoxy matrix. The saturation magnetization is inversely proportional to the NPs ratio in the mixture between 150 and 180 emu/g. The real part of the permittivity decreased with increasing NPs concentration, but the permittivity change by magnetic field increased. The tunability behavior is explained by insulator-ferromagnetic interface magnetoelectricity and the large surface volume ratio for the NPs.

AB - The dielectric and magnetic properties of manganese oxide-coated Fe 3 O3 nanoparticles (NPs) were measured by the cavity perturbation method at x-band microwave frequencies ranging from 7-12.5 GHz with controlled external magnetic field up to 2.2 kOe at room temperature. Different ratios (5%, 10%, and 20% by weight) of coated NPs were prepared by sol-gel method then mixed with carbonyl iron powder in epoxy matrix. The saturation magnetization is inversely proportional to the NPs ratio in the mixture between 150 and 180 emu/g. The real part of the permittivity decreased with increasing NPs concentration, but the permittivity change by magnetic field increased. The tunability behavior is explained by insulator-ferromagnetic interface magnetoelectricity and the large surface volume ratio for the NPs.

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Magnetoelectric behavior of carbonyl iron mixed Mn oxide-coated ferrite nanoparticles

Abstract

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