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Large second-harmonic kerr rotation in GaFeO3 thin films on YSZ buffered silicon

  • Darshan C. Kundaliya
  • , S. B. Ogale
  • , S. Dhar
  • , K. F. McDonald
  • , E. Knoesel
  • , T. Osedach
  • , S. E. Lofland
  • , S. R. Shinde
  • , T. Venkatesan

Research output: Contribution to journalArticlepeer-review

Abstract

Epitaxial thin films of gallium iron oxide (GaFeO3) are grown on (0 0 1) silicon by pulsed laser deposition (PLD) using yttrium-stabilized zirconia (YSZ) buffer layer. The crystalline template buffer layer is in situ PLD grown through the step of high-temperature stripping of the intrinsic silicon surface oxide. The X-ray diffraction pattern shows c-axis orientation of YSZ and b-axis orientation of GaFeO3 on Si (1 0 0) substrate. The ferromagnetic transition temperature (TC∼215K) is in good agreement with the bulk data. The films show a large nonlinear second harmonic Kerr rotation of ∼15° in the ferromagnetic state.

Original languageEnglish (US)
Pages (from-to)307-311
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume299
Issue number2
DOIs
StatePublished - Apr 2006

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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