Measurements of the magneto-optic Kerr effect and the extraordinary Hall effect on grooved glass substrates coated with amorphous TbFeCo

S. Gadetsky, I. Syrgabaev, J. K. Erwin, M. Mansuripur

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Kerr loops measured in the 0th, –1st, and –2nd diffraction order beams on deep magneto-optic gratings show constructive and destructive interference of the beams reflected from grooves and lands as a function of effective phase depths and relative widths of grooves and lands. Hall-effect measurements yielded coercivities of grooves, lands, and sidewalls at different angles of the applied field. Sidewall reversals appear clearly in Kerr loops measured in the various diffracted beams, with signal amplitude depending on groove depth and the angle between the sidewall and the diffracted beam.

Original languageEnglish (US)
Pages (from-to)314-319
Number of pages6
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Volume13
Issue number2
DOIs
StatePublished - Feb 1996

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Computer Vision and Pattern Recognition

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