Magnetic trapping of nanometer- and micrometer-sized particles

Seung H. Huh; Chang Y. Kim; Hyun S. Jeong; Atsushi Nakajima

doi:10.1063/1.2738424

Magnetic trapping of nanometer- and micrometer-sized particles

Seung H. Huh, Chang Y. Kim, Hyun S. Jeong, Atsushi Nakajima

化学科

研究成果: Article › 査読

1 被引用数 (Scopus)

抄録

Nanometer- and micrometer-sized particles (NPs and MPs) of gas-phase Co, Fe, and Fe-Nd-Dy-B were magnetically trapped on a substrate. For the magnetic trapping of NPs, two stepwise evolutions were investigated: (1) the formation of NP aggregates above a critical diameter of 8 nm and (2) increase in the length to a few micrometers, which is the result of the equilibrium between the magnetostatic and thermal energies of NPs and the granular linear chains such as granular nanorods and nanofibers. The magnetic trapping of MPs or MPsNPs is particularly interesting because of the sequential pearl-necklace-like growth and magnetic separation in the linear chains.

本文言語	English
論文番号	104317
ジャーナル	Journal of Applied Physics
巻	101
号	10
DOI	https://doi.org/10.1063/1.2738424
出版ステータス	Published - 2007

ASJC Scopus subject areas

物理学および天文学（全般）

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10.1063/1.2738424

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abstract = "Nanometer- and micrometer-sized particles (NPs and MPs) of gas-phase Co, Fe, and Fe-Nd-Dy-B were magnetically trapped on a substrate. For the magnetic trapping of NPs, two stepwise evolutions were investigated: (1) the formation of NP aggregates above a critical diameter of 8 nm and (2) increase in the length to a few micrometers, which is the result of the equilibrium between the magnetostatic and thermal energies of NPs and the granular linear chains such as granular nanorods and nanofibers. The magnetic trapping of MPs or MPsNPs is particularly interesting because of the sequential pearl-necklace-like growth and magnetic separation in the linear chains.",

author = "Huh, {Seung H.} and Kim, {Chang Y.} and Jeong, {Hyun S.} and Atsushi Nakajima",

note = "Funding Information: This work is supported by the 21st Century COE program “KEIO LCC” from the Ministry of Education, Culture, Sports, Science and Technology, and by the Korea Institute of Ceramic Engineering and Technology (KICET) projects of Spray Coating Technology and Nanoparticle Applications.",

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AU - Huh, Seung H.

AU - Kim, Chang Y.

AU - Jeong, Hyun S.

AU - Nakajima, Atsushi

N1 - Funding Information: This work is supported by the 21st Century COE program “KEIO LCC” from the Ministry of Education, Culture, Sports, Science and Technology, and by the Korea Institute of Ceramic Engineering and Technology (KICET) projects of Spray Coating Technology and Nanoparticle Applications.

PY - 2007

Y1 - 2007

N2 - Nanometer- and micrometer-sized particles (NPs and MPs) of gas-phase Co, Fe, and Fe-Nd-Dy-B were magnetically trapped on a substrate. For the magnetic trapping of NPs, two stepwise evolutions were investigated: (1) the formation of NP aggregates above a critical diameter of 8 nm and (2) increase in the length to a few micrometers, which is the result of the equilibrium between the magnetostatic and thermal energies of NPs and the granular linear chains such as granular nanorods and nanofibers. The magnetic trapping of MPs or MPsNPs is particularly interesting because of the sequential pearl-necklace-like growth and magnetic separation in the linear chains.

AB - Nanometer- and micrometer-sized particles (NPs and MPs) of gas-phase Co, Fe, and Fe-Nd-Dy-B were magnetically trapped on a substrate. For the magnetic trapping of NPs, two stepwise evolutions were investigated: (1) the formation of NP aggregates above a critical diameter of 8 nm and (2) increase in the length to a few micrometers, which is the result of the equilibrium between the magnetostatic and thermal energies of NPs and the granular linear chains such as granular nanorods and nanofibers. The magnetic trapping of MPs or MPsNPs is particularly interesting because of the sequential pearl-necklace-like growth and magnetic separation in the linear chains.

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Magnetic trapping of nanometer- and micrometer-sized particles

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