Hall magnetometry on a single iron nanoparticle

Li, Y. Q.; Xiong, P.; von Molnár, S.; Wirth, S.; Ohno, Y.; Ohno, H.

doi:10.1063/1.1487921

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Hall magnetometry on a single iron nanoparticle

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Wirth, S.
Steffen Wirth, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Li, Y. Q., Xiong, P., von Molnár, S., Wirth, S., Ohno, Y., & Ohno, H. (2002). Hall magnetometry on a single iron nanoparticle. Applied Physics Letters, 80(24), 4644-4646. doi:10.1063/1.1487921.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0015-3143-0

Abstract

High-sensitivity magnetometry over a wide temperature range has been achieved using submicron GaAs/GaAlAs Hall gradiometry. The sensitivity and versatility of the technique was demonstrated by the successful measurement of the magnetization switching of a single Fe nanoparticle with msimilar to5x10(5) mu(B) (similar to5x10(-15) emu) at temperatures as high as 75 K. (C) 2002 American Institute of Physics.