Magnetic behavior of single nanostructured magnet

Osamu Kitakami, Satoshi Okamoto, Nobuaki Kikuchi, Takehito Shimatsu, Hideo Sato, H. Aoi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

For future advancement in magnetic and spin electronic devices, it is essential to understand the magnetic behaviour and spin dynamics of a single nanomagnet. However, no effective method has been available for detection of such extremely small magnetic moment. To overcome this difficulty, we have newly developed a highly sensitive magnetic detection technique utilizing the anomalous Hall effect (AHE). This technique has systematically revealed the magnetic behaviors of various magnetic materials in the nanoscale regime. In this article, we demonstrate how single nanomagnets of L10 FePt and Co/Pt multilayers behave depending on their size, especially focusing on the magnetization reversal process and the bistability condition necessary for digital memory use.

Original languageEnglish
Article number012029
JournalJournal of Physics: Conference Series
Volume165
DOIs
Publication statusPublished - 2009 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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