Abstract

The hydrogen depth profiles in sodium β″-alumina single crystals, implanted with argon ions and hydrated with some water coming from the air moisture, were measured using elastic recoil detection as well as the nuclear reaction 1H( 15N, αγ) 12C. Hydrogen loss under bombardment was controlled and the water presence was monitored by infrared spectroscopy. The hydrogen profiles indicate a correlation between the hydrogen concentration and the modified sodium profiles, obtained under argon bombardment. Thermal annealing of implanted samples gives additional insights into the defects induced by heavy ion irradiation of these materials.

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