Simultaneous agglomeration of Fe/Au nanoparticles with controllability of magnetic dipole interaction

Tomoyuki Ogawa; Hiroaki Kura; Migaku Takahashi

doi:10.1016/j.scriptamat.2011.02.026

Simultaneous agglomeration of Fe/Au nanoparticles with controllability of magnetic dipole interaction

Tomoyuki Ogawa, Hiroaki Kura, Migaku Takahashi

ENG - Electronic Engineering

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

5 Citations (Scopus)

Abstract

Assemblies of α-Fe/Au nanoparticles (NPs) with various volume fractions of α-Fe NPs were prepared by simultaneous agglomeration of α-Fe NPs and Au NPs in solution. Only the dipole interaction was affected by the magnetic interaction between α-Fe NPs in this system. The magnetic properties were significantly changed according to the volume fraction of the α-Fe NPs, with a high α-Fe NP volume fraction assembly exhibiting good soft magnetic properties.

Original language	English
Pages (from-to)	1067-1070
Number of pages	4
Journal	Scripta Materialia
Volume	64
Issue number	11
DOIs	https://doi.org/10.1016/j.scriptamat.2011.02.026
Publication status	Published - 2011 Jun

Keywords

Granular materials
Iron
Nanocrystalline metal
Soft magnetic materials

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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title = "Simultaneous agglomeration of Fe/Au nanoparticles with controllability of magnetic dipole interaction",

abstract = "Assemblies of α-Fe/Au nanoparticles (NPs) with various volume fractions of α-Fe NPs were prepared by simultaneous agglomeration of α-Fe NPs and Au NPs in solution. Only the dipole interaction was affected by the magnetic interaction between α-Fe NPs in this system. The magnetic properties were significantly changed according to the volume fraction of the α-Fe NPs, with a high α-Fe NP volume fraction assembly exhibiting good soft magnetic properties.",

keywords = "Granular materials, Iron, Nanocrystalline metal, Soft magnetic materials",

author = "Tomoyuki Ogawa and Hiroaki Kura and Migaku Takahashi",

note = "Funding Information: This study was partially supported by the Program for Improvement of Research Environment for Young Researchers from Special Coordination Funds for Promoting Science and Technology (SCF) commissioned by the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan and the World Class University (WCU) program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology of Korea ( R32-20026 ).",

year = "2011",

month = jun,

doi = "10.1016/j.scriptamat.2011.02.026",

language = "English",

volume = "64",

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journal = "Scripta Materialia",

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T1 - Simultaneous agglomeration of Fe/Au nanoparticles with controllability of magnetic dipole interaction

AU - Ogawa, Tomoyuki

AU - Kura, Hiroaki

AU - Takahashi, Migaku

N1 - Funding Information: This study was partially supported by the Program for Improvement of Research Environment for Young Researchers from Special Coordination Funds for Promoting Science and Technology (SCF) commissioned by the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan and the World Class University (WCU) program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology of Korea ( R32-20026 ).

PY - 2011/6

Y1 - 2011/6

N2 - Assemblies of α-Fe/Au nanoparticles (NPs) with various volume fractions of α-Fe NPs were prepared by simultaneous agglomeration of α-Fe NPs and Au NPs in solution. Only the dipole interaction was affected by the magnetic interaction between α-Fe NPs in this system. The magnetic properties were significantly changed according to the volume fraction of the α-Fe NPs, with a high α-Fe NP volume fraction assembly exhibiting good soft magnetic properties.

AB - Assemblies of α-Fe/Au nanoparticles (NPs) with various volume fractions of α-Fe NPs were prepared by simultaneous agglomeration of α-Fe NPs and Au NPs in solution. Only the dipole interaction was affected by the magnetic interaction between α-Fe NPs in this system. The magnetic properties were significantly changed according to the volume fraction of the α-Fe NPs, with a high α-Fe NP volume fraction assembly exhibiting good soft magnetic properties.

KW - Granular materials

KW - Iron

KW - Nanocrystalline metal

KW - Soft magnetic materials

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