Magnetic structure of subsurface layers of single crystalline yttrium-iron garnet films implanted with Si+ ions with various energies - V. M. Pylypiv; O. Z. Garpul; V. O. Kotsyubynsky; B. K. Ostafiychuk; V. V. Mokliak; M. Kopcewicz; I. I. Syvorotka (Physical surface engineering, 2012)