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Modification of the crystal structure of gadolinium gallium garnet by helium ion irradiation

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Abstract

The structure of gadolinium gallium garnet (GGG) single crystals before and after implantation by He+ ions has been investigated using high-resolution X-ray diffraction methods and the generalized dynamic theory of X-ray scattering. The main types of growth defects in GGG single crystals and radiation-induced defects in the ion-implanted layer have been determined. It is established that the concentration of dislocation loops in the GGG surface layer modified by ion implantation increases and their radius decreases with an increase in the implantation dose.

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Authors and Affiliations

  1. Vasyl Stefanyk Precarpathian National University, Shevchenko st. 57, Ivano-Frankivsk, 76018, Ukraine

    B. K. Ostafiychuk, I. P. Yaremiy, S. I. Yaremiy, V. D. Fedoriv, U. O. Tomyn & M. M. Umantsiv

  2. Fedkovych State University, Kotsyubinskogo st. 2, Chernivtsi, 58012, Ukraine

    I. M. Fodchuk

  3. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, Nauki pr. 41, Kiev, 03028, Ukraine

    V. P. Kladko

Authors
  1. B. K. Ostafiychuk
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  2. I. P. Yaremiy
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  3. S. I. Yaremiy
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  4. V. D. Fedoriv
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  5. U. O. Tomyn
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  6. M. M. Umantsiv
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  7. I. M. Fodchuk
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  8. V. P. Kladko
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Correspondence to I. P. Yaremiy.

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Ostafiychuk, B.K., Yaremiy, I.P., Yaremiy, S.I. et al. Modification of the crystal structure of gadolinium gallium garnet by helium ion irradiation. Crystallogr. Rep. 58, 1017–1022 (2013). https://doi.org/10.1134/S1063774513070122

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  • DOI: https://doi.org/10.1134/S1063774513070122

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