Sensitive detection of irreversible switching in a single FePt nanosized dot

Nobuaki Kikuchi, Satoshi Okamoto, Osamu Kitakami, Y. Shimada, K. Fukamichi

Research output: Contribution to journalArticlepeer-review

81 Citations (Scopus)

Abstract

Magnetization of an isolated single dot fabricated from a single crystal FePt film was measured by detection of anomalous Hall effect. The dots with diameter ranging from 60 nm to 12 μm exhibited perfect rectangular magnetization loops. The activation energy was evaluated to be 4×10-19 J, equivalent to domain-wall energy times the square of the domain-wall thickness.

Original languageEnglish
Pages (from-to)4313-4315
Number of pages3
JournalApplied Physics Letters
Volume82
Issue number24
DOIs
Publication statusPublished - 2003 Jun 16

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Fingerprint Dive into the research topics of 'Sensitive detection of irreversible switching in a single FePt nanosized dot'. Together they form a unique fingerprint.

Cite this