Magneto-Optical Kerr Rotation of the PtMnSb Compound in a High Magnetic Field

Kōki Takanashi, Jun Watanabe, Giyuu Kido, Hiroyasu Fujimori

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The polar magneto-optical Kerr rotation angle (θK) for a polished surface of bulk PtMnSb was measured at 632.8 nm wavelength in high applied magnetic fields up to 15 T. The saturation value of θKwas 1.42° in the as-polished state, and it was enhanced to 1.75° by annealing at temperatures higher than 400°C. Simultaneously, θKbecame easily saturated, suggesting that the magnetic anisotropy near the surface decreased due to annealing. The enhancement of θKand the decrease in magnetic anisotropy are considered to be due to the removal of structural disorder caused by polishing.

Original languageEnglish
Pages (from-to)L306-L307
JournalJapanese journal of applied physics
Volume29
Issue number2
DOIs
Publication statusPublished - 1990 Feb

Keywords

  • Anisotropy
  • Annealing effect
  • High magnetic field
  • Magneto-optical Kerr rotation
  • PtMnSb
  • Surface magnetic

ASJC Scopus subject areas

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

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