Beryllium-hydrogen and zinc-hydrogen shallow acceptor complexes in germanium |
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| Institution: | 1. CEA Saclay, DSM/IRFU, 91191 Gif-sur-Yvette Cedex, France;2. University of Lyon, Université Claude Bernard Lyon 1, CNRS-IN2P3, Institut de Physique Nucléaire de Lyon, F-69622, Villeurbanne, France;3. Institut Néel, CNRS/UJF, 25 rue des Martyrs, BP 166, 38042 Grenoble, France;4. CSNSM, University of Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, 91405 Orsay, France;5. Karlsruher Institut für Technologie, Institut für Experimentelle Kernphysik, Gaedestr. 1, 76128 Karlsruhe, Germany;6. Karlsruher Institut für Technologie, Institut für Kernphysik, Postfach 3640, 76021 Karlsruhe, Germany;7. Laboratoire de Photonique et de Nanostructures, CNRS, Route de Nozay, 91460 Marcoussis, France;8. Karlsruher Institut für Technologie, Institut für Prozessdatenverarbeitung und Elektronik, Postfach 3640, 76021 Karlsruhe, Germany;9. University of Oxford, Department of Physics, Keble Road, Oxford OX1 3RH, UK;10. University of Sheffield, Department of Physics and Astronomy, Sheffield, S3 7RH, UK;11. CEA Saclay, DSM/IRAMIS, 91191 Gif-sur-Yvette Cedex, France;12. JINR, Laboratory of Nuclear Problems, Joliot-Curie 6, 141980 Dubna, Moscow Region, Russian Federation |
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| Abstract: | New shallow acceptor complexes with hydrogenically-spaced excited states have been discovered in intentionally-doped crystals of otherwise ultra-pure germanium. The doping consists of >1014 cm−3 of group II impurities, and the crystals were grown under hydrogen atmosphere. The identification proposed in this paper is that of a hydrogen-group II impurity complex, with piezospectroscopic behavior of a 〈111〉-oriented defect. |
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