Photorefractive measurement of photoionization and recombination cross sections in InP:Fe
- 15 December 1988
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 64 (12) , 6684-6689
- https://doi.org/10.1063/1.342024
Abstract
The photorefractive effect combined with standard Hall measurements is used to determine photoionization and recombination cross sections and deep-level number densities in a crystal of iron-doped InP. The results are well fit by iron densities [Fe2+]=6×1016 cm−3 and [Fe3+]=2.5×1015 cm−3, photoionization cross sections at 1.06 μm, se= 4×10−18 cm2, and sh= 3.1×10−16 cm2, and recombination cross sections σe= 10−14 cm2 and σh= 3×10−16 cm2. The sign of the photorefractive beam coupling gain implies that holes dominate this process even though the dark conductivity and photoconductivity are dominated by electrons.This publication has 34 references indexed in Scilit:
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