Abstract

The motion of hydrogen in a variety of complexes in ZnO is studied by stress-induced dichroism. The defects investigated are Cu–H and Cu–H 2, the Zn vacancy passivated by two hydrogen atoms, and a complex resulting in an IR absorption line at 3326 cm - 1 . The hydrogen movement in these complexes is related to the hydrogen diffusion in ZnO. In addition a new microscopic model for the 3326 cm - 1 line is proposed.

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