Aging Processes in Implanted Fluorine Ions and Laser Irradiated Films of LaGa:YIG

  • B.K. Ostafiychuk Vasyl Stefanyk Precarpathian National University
  • I.P. Yaremiy Vasyl Stefanyk Precarpathian National University
  • S.I. Yaremiy vano-Frankivsk National Medical University
  • M.M. Povkh Vasyl Stefanyk Precarpathian National University
  • L.S. Yablon Vasyl Stefanyk Precarpathian National University
  • I.M. Budzulyak Vasyl Stefanyk Precarpathian National University
Keywords: natural aging, strain profile, X-ray diffractometry, ion implantation, laser irradiation, defects of structure

Abstract

Based on the results of X-ray structural analysis, changes in the crystalline structure during natural aging and laser annealing, which occurred in near-surface layers of epitaxial films of LaGa-substituted Iron-Yttrium Garnet, implanted by F+ ions, were studied. The processes that occur during the ion implantation by F+ in ferrite-garnet films, and the processes that accompany the low-temperature aging of ion-implanted films are considered. From the experimental rocking curves, obtained immediately after ion implantation, after the laser irradiation and after several years, strain profiles were determined. Two stages in the changes of the crystalline structure of the nearsurface disturbed layer over time are revealed. During the first of them, the maximum deformation in the ionimplanted layer increased slightly, and on the second it decreased. It was established that the results of laser annealing and natural aging of near-surface layers implanted by F+ ions and laser irradiated LaGa:YIG films  depend on the direction from which laser irradiation occurred. However, the result of their total exposure does not depend on the side of laser irradiation.

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Published
2019-07-10
How to Cite
Ostafiychuk, B., Yaremiy, I., Yaremiy, S., Povkh, M., Yablon, L., & Budzulyak, I. (2019). Aging Processes in Implanted Fluorine Ions and Laser Irradiated Films of LaGa:YIG . Physics and Chemistry of Solid State, 20(2), 202-207. https://doi.org/10.15330/pcss.20.2.202-207
Section
Scientific articles

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