17 August 1998 Growth and photorefractive properties of doped Pb5Ge3O11 crystals and of (Pb1-xBax)5Ge3O11 solid solutions
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Abstract
Ferroelectric lead germinate (Pb5Ge3O11) crystals possess relatively large electrooptic coefficients and exhibit light induced conductivity. So far, only little is known about the photorefractive properties of these crystals. We present results on the growth of nominally pure and doped Pb5Ge3O11 crystals, and of (Pb1-xBax)5Ge3O11 solid solutions. Basic parameters, such as dark and photo conductivity, are investigated in detail employing conventional and holographic techniques. Furthermore, photorefractive parameters, like the sign of the dominant charge carriers involved in the charge transport and effective charge densities, are presented and discussed, also with respect to different thermal treatments after growth, which influence the determined parameters.
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Stefan Mendricks, Stefan Mendricks, Xuefeng Yue, Xuefeng Yue, Thomas Nikolajsen, Thomas Nikolajsen, R. Pankrath, R. Pankrath, H. Hesse, H. Hesse, Detlef Kip, Detlef Kip, "Growth and photorefractive properties of doped Pb5Ge3O11 crystals and of (Pb1-xBax)5Ge3O11 solid solutions", Proc. SPIE 3554, Photorefractive Materials: Phenomena and Related Applications II, (17 August 1998); doi: 10.1117/12.318142; https://doi.org/10.1117/12.318142
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