Magnetization reversal of iron nanoparticles studied by submicron Hall magnetometry

Yongqing Li; Peng Xiong; Stephan Von Molnár; Yuzo Ohno; Hideo Ohno

doi:10.1063/1.1557827

Magnetization reversal of iron nanoparticles studied by submicron Hall magnetometry

Yongqing Li, Peng Xiong, Stephan Von Molnár, Yuzo Ohno, Hideo Ohno

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Abstract

A submicron semiconductor Hall magnetometer was used to study magnetization of an array of 16 elongated iron nanoparticles with diameter of ∼7 nm and height of ∼100 nm. The magnetization hysteresis curves and the angular dependence of switching fields were also examined. It was shown that the magnetization reversal in these cylindrical nanoparticles cannot be described with a single coherent rotation mode.

Original language	English
Pages (from-to)	7912-7914
Number of pages	3
Journal	Journal of Applied Physics
Volume	93
Issue number	10 3
DOIs	https://doi.org/10.1063/1.1557827
Publication status	Published - 2003 May 15

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Magnetization reversal of iron nanoparticles studied by submicron Hall magnetometry",

abstract = "A submicron semiconductor Hall magnetometer was used to study magnetization of an array of 16 elongated iron nanoparticles with diameter of ∼7 nm and height of ∼100 nm. The magnetization hysteresis curves and the angular dependence of switching fields were also examined. It was shown that the magnetization reversal in these cylindrical nanoparticles cannot be described with a single coherent rotation mode.",

author = "Yongqing Li and Peng Xiong and {Von Moln{\'a}r}, Stephan and Yuzo Ohno and Hideo Ohno",

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AU - Li, Yongqing

AU - Xiong, Peng

AU - Von Molnár, Stephan

AU - Ohno, Yuzo

AU - Ohno, Hideo

PY - 2003/5/15

Y1 - 2003/5/15

N2 - A submicron semiconductor Hall magnetometer was used to study magnetization of an array of 16 elongated iron nanoparticles with diameter of ∼7 nm and height of ∼100 nm. The magnetization hysteresis curves and the angular dependence of switching fields were also examined. It was shown that the magnetization reversal in these cylindrical nanoparticles cannot be described with a single coherent rotation mode.

AB - A submicron semiconductor Hall magnetometer was used to study magnetization of an array of 16 elongated iron nanoparticles with diameter of ∼7 nm and height of ∼100 nm. The magnetization hysteresis curves and the angular dependence of switching fields were also examined. It was shown that the magnetization reversal in these cylindrical nanoparticles cannot be described with a single coherent rotation mode.

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Magnetization reversal of iron nanoparticles studied by submicron Hall magnetometry

Abstract

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