Light-induced changes in permeability of n - and p -type YIG films

The influence of irradiation with white light on the permeability at 77 ° of n- and p-type yttrium iron garnet films has been investigated. The investigations were performed on epitaxialy grown films with varying concentrations of Pb and Si. The existence of an ireversible photomagnetic effect in bo...

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Bibliographic Details
Published in:Journal of applied physics 1975-07, Vol.46 (7), p.3171-3174
Main Authors: Metselaar, R., Huyberts, M. A. H., Logmans, H.
Format: Article
Language:English
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Summary:The influence of irradiation with white light on the permeability at 77 ° of n- and p-type yttrium iron garnet films has been investigated. The investigations were performed on epitaxialy grown films with varying concentrations of Pb and Si. The existence of an ireversible photomagnetic effect in both n- and p-type YIG is demonstrated. Measurements of the spectral dependence of the photomagnetic effect in the wavelength region 1000–3 nm show a rapid increase of the sensitivity towards shorter wavelengths.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.321966