Hall magnetometry on a single iron nanoparticle

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

Research output: Contribution to journalArticlepeer-review

62 Citations (Scopus)


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 m∼5×105μB (∼5×10-15emu) at temperatures as high as 75 K.

Original languageEnglish
Pages (from-to)4644-4646
Number of pages3
JournalApplied Physics Letters
Issue number24
Publication statusPublished - 2002 Jun 17

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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