Magnetic cluster size and activation volume in perpendicular recording media

Takehito Shimatsu, H. Uwazumi, T. Oikawa, Y. Inaba, Hiroaki Muraoka, Y. Nakamura

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The magnetic cluster size and activation volume in perpendicular recording media was discussed in the article. It was shown that the values of magnetic cluster size are ∼55 nm for CoPtCr-SiO2 media of 24 nm thickness. It was shown that reduction of film thickness δ is important in order to realize both small magnetic cluster size and large α values in granular-type perpendicular recording media.

Original languageEnglish
Pages (from-to)7732-7734
Number of pages3
JournalJournal of Applied Physics
Volume93
Issue number10 3
DOIs
Publication statusPublished - 2003 May 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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