ODMR experiments on the 1.65eV luminescence in GaP:Cu |
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| Institution: | 1. Center of Applied Physics, Directorate of Materials Research, Ministry of Science and Technology, Baghdad, Iraq;2. Dept. of Physics, College of Science, University of Baghdad, Ministry of Higher Education and Scientific Research, Baghdad, Iraq;1. Development of Semiconductor Conversion Devices Division, Semiconductor Technology Research Center for Energetic-(CRTSE), 02, Bd Frantz Fanon Algiers, BP N° 140, Algeria;2. Quantum Physics and Dynamical Systems Laboratory, Ferhat Abbas University of Sétif, Algeria;1. Department of Quantum Technologies, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland;2. Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, 02-668 Warsaw, Poland;1. Instituto Nacional de Ciência e Tecnologia de Nanodispositivos Semicondutores – DISSE, Brazil;2. Laboratório de Semicondutores, Pontifícia Universidade Católica do Rio de Janeiro, Rua Marquês de São Vicente 225, Rio de Janeiro 22451-900, Brazil;3. Campus de Xerém, Universidade Federal do Rio de Janeiro, Duque de Caxias, RJ, Brazil;4. Instituto de Física, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;5. Departamento de Física, Pontifícia Universidade Católica do Rio de Janeiro, Rua Marquês de São Vicente 225, Rio de Janeiro 22451-900, Brazil;6. Department of Physics, Arizona State University, Tempe, Arizona 85287-1504, USA;1. Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668, Warsaw, Poland;2. Department of Quantum Technologies, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370, Wroclaw, Poland |
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| Abstract: | Optically detected magnetic resonance experiments on the 1.65eV emission band in a Cu-doped LPE-grown GaP layer are reported. A strong resonance with a g-value of g = 2.006 ± 0.003 is observed. The linewidth depends on both microwave and laser excitation power. Other resonances, appearing at two and three times the field of the strong resonance, have also been measured. An interpretation of the measurements is given, based on the recombination of exchange coupled donor-acceptor pairs. |
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