Growing of Thick Single-Crystalline La-Substituted Yttrium-Iron Garnet Films with Reproducible Parameters

  • S. I. Yushchuk National University “Lviv Polytechnic”
  • S. O. Yuryev National University “Lviv Polytechnic”
  • N. T. Pokladok National University “Lviv Polytechnic”
Keywords: single-crystalline yttrium-iron garnet films, liquid-phase epitaxy, ferromagnetic resonance

Abstract

Basic principles of growing the thick (35–60 мm) single-crystalline La-substituted yttrium-iron garnet (Y3−xLaxFe5O12, La :YIG) films with reproducible parameters have been formulated. La :YIG films are grown on gallium-gadolinium garnet (Gd3Ga5O12) substrates from a supercooled melt-solution (MS) consisting of Y2O3, La2O3, and Fe2O3 oxides and the PbO–B2O3 solvent. In order to minimize the implantation of Pb2+ ions into the films, which degrades the film quality, the epitaxy has to be performed at high temperatures and a low MS supercooling. It is found that, in order to maintain a constant growth rate of La :YIG films with reproducible parameters, a large MS mass (10–16 kg) has to be used, and the MS temperature has to be permanently lowered at a rate of 0.042 K/min.

References

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Published
2019-04-01
How to Cite
Yushchuk, S., Yuryev, S., & Pokladok, N. (2019). Growing of Thick Single-Crystalline La-Substituted Yttrium-Iron Garnet Films with Reproducible Parameters. Ukrainian Journal of Physics, 64(3), 245. https://doi.org/10.15407/ujpe64.3.245
Section
Surface physics