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We present detailed investigations of structural and static/dynamic magnetic properties of hydrogenated hcp-Co8057Fe4Ir16 soft magnetic thin films.Two different kinds of defects,i.e.,destructive and non-destructive,were demon-strated by controlling the negative bias voltage of the hydrogenation process.Our results show that the structure and magnetic properties of our sample can be tuned by the density of the induced defects.These results provide better under-standing of the hydrogenation effect and thus can be used in the future for materials processing to meet the requirements of different devices.