1. Photo-induced changes of hydrogen bonding in semi-insulating iron-doped indium phosphide
- Author
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Gendron F, B. Pajot, Darwich R, Christopher P. Ewels, and Song Cy
- Subjects
business.industry ,Hydrogen bond ,Inorganic chemistry ,Analytical chemistry ,General Chemistry ,Trapping ,Condensed Matter Physics ,Gallium arsenide ,law.invention ,chemistry.chemical_compound ,Semiconductor ,chemistry ,Impurity ,law ,Metastability ,Materials Chemistry ,Indium phosphide ,business ,Electron paramagnetic resonance - Abstract
After illumination with 1–1.3 eV photons during cooling-down, metastable PH modes are observed by IR absorption at 5 K in semi-insulating InP:Fe. They correlate with the photo-injection of holes, but not with a change of the charge state of the H-related centres present at equilibrium. They are explained by a change of the bonding of H, induced by hole trapping, from IR-inactive centres to PH-containing centres, stable only below 80 K. One metastable centre has well-defined geometrical parameters and the other one could be located in a region near from the interface with (Fe,P) precipitates.
- Published
- 1995