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Interface interactions and the photoluminescence from asbestos-templated InP quantum wires
Institution:1. M.V. Lomonosov Moscow State University, Physics Department, 119899, Moscow, Russia;2. Department of Chemistry, University of Salford, Salford, M5 4WT, U.K.;3. Institute of Materials Science and Department of Electrical Engineering, University of Wuppertal, 42097, Wuppertal, Germany;4. Institute of Materials Science and Department of Electrical Engineering, University of Wuppertal, 42097, Wuppertal, Germany;5. Ioffe Physical Technical Institute, Politekhnicheskaya 26, 194021, St Petersburg, Russia;1. Institute of Advanced Optoelectronic Materials and Technology of College of Big Data and Information Engineering of Guizhou University, Guiyang 550025, China;2. Guizhou Provencial Key Laboratory of Radio Astronomy and Data Processing, School of Physics and Electronic Science of Guizhou Normal University, Guiyang 550001, China;3. Guizhou Vocational Technology College of Electronics & Information, Kaili 556000, China;1. Tyndall National Institute, Lee Maltings, Cork, Ireland;2. Max-Planck Institut für Eisenforschung, Max-Planck Straße 1, 40237 Düsseldorf, Germany;3. Gemmantics IT-Consulting, Niermannsweg 11, 40699 Erkrath, Germany;4. Department of Physics, University College Cork, Ireland
Abstract:The photoluminescence of InP quantum wires embedded in the dielectric template has been studied by site-selective pump-probe spectroscopy. The enhancement of the emission in the spectral window around the pump frequency and the long-lasting memory of pumping have been observed and explained on the basis of changes in energy states of template defects under intensive pumping. The effect of wire–template interface upon the appearance of the photoluminescence spectrum is discussed.
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