Observation of precessional magnetization dynamics in l10-fept thin films with different l10 order parameter values

Satoshi Iihama, Shigemi Mizukami, Nobuhito Inami, Takashi Hiratsuka, Gukcheon Kim, Hiroshi Naganuma, Mikihiko Oogane, Terunobu Miyazaki, Yasuo Ando

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

Fast magnetization precession was observed in L10-FePt thin films with different L10 order parameter values by all optical pump-probe technique. Precession frequency was varied widely for the films with different order parameter, which is due to large difference in perpendicular magnetic anisotropy. Gilbert damping constant (α) was estimated from relaxation time as apparent damping. Clear difference in α was not observed with different perpendicular magnetic anisotropy.

Original languageEnglish
Article number073002
JournalJapanese journal of applied physics
Volume52
Issue number7 PART 1
DOIs
Publication statusPublished - 2013 Jan

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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