Abstract

Recently investigators have reported that ion implantation of magnetic garnet films causes magnetostrictive effects related to stress as well as effects not directly related to stress, such as the suppression of growth-induced anisotropy [1]. This suppression occurs especially in the case of heavy dose implantations, such as 2×10 14 at/cm 2 Ne for example. We report here on the measurement of the stress contribution to implantation-induced anisotropy field change and the total anisotropy field change in films which have compositions suitable for 1 μm and 0.5 μm diameter bubbles. We also report on the measurement of the crystalline anisotropy field in the implanted layer. Films were implanted with deuterium and oxygen ions. Motivation for this choice is discussed.

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