Microscopic and spectroscopic studies of light-induced magnetization switching of GdFeCo facilitated by photoemission electron microscopy

Takuo Ohkochi, Hidenori Fujiwara, Masato Kotsugi, Arata Tsukamoto, Kuniaki Arai, Shinji Isogami, Akira Sekiyama, Junichi Yamaguchi, Kazuaki Fukushima, Roman Adam, Claus M. Schneider, Tetsuya Nakamura, Kenji Kodama, Tsunoda Masakiyo, Toyohiko Kinoshita, Shigemasa Suga

研究成果: Article査読

9 被引用数 (Scopus)

抄録

By means of soft X-ray photoemission electron microscopy (PEEM), we have for the first time observed spatially and temporally resolved elementspecific magnetization switching driven by circularly polarized femtosecond laser pulses. We have confirmed that the magnetization switching depending on the helicity of the circularly polarized laser occurs in the region where the spin temperature is raised appropriately. It is also found that the electronic states in the irradiated region remain unchanged even after millions magnetization reversal cycles.

本文言語English
論文番号073001
ジャーナルJapanese journal of applied physics
51
7 PART 1
DOI
出版ステータスPublished - 2012 7月

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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