Growth and photorefractive properties of doped Pb5Ge3O11 crystals and of (Pb1-xBax)5Ge3O11 solid solutions

Stefan Mendricks; Xuefeng Yue; Thomas Nikolajsen; R. Pankrath; H. Hesse; Detlef Kip

doi:10.1117/12.318142

17 August 1998 Growth and photorefractive properties of doped Pb₅Ge₃O₁₁ crystals and of (Pb_1-xBa_x)₅Ge₃O₁₁ solid solutions

Stefan Mendricks, Xuefeng Yue, Thomas Nikolajsen, R. Pankrath, H. Hesse, Detlef Kip

Author Affiliations +

Proceedings Volume 3554, Photorefractive Materials: Phenomena and Related Applications II; (1998) https://doi.org/10.1117/12.318142
Event: Photonics China '98, 1998, Beijing, China

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 (Pb_1-xBa_x)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, Xuefeng Yue, Thomas Nikolajsen, R. Pankrath, H. Hesse, and Detlef Kip "Growth and photorefractive properties of doped Pb₅Ge₃O₁₁ crystals and of (Pb_1-xBa_x)₅Ge₃O₁₁ solid solutions", Proc. SPIE 3554, Photorefractive Materials: Phenomena and Related Applications II, (17 August 1998); https://doi.org/10.1117/12.318142

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