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Experimental evidence for charge-transfer excitation of Yb in InP (1993)

Bohnert, G. ; Weber, J. ; Scholz, F. ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 63 (1993), S. 382-384

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: Experimental evidence for a charge-transfer excitation of Yb in InP on cubic lattice site YbIn is obtained from time-resolved photoluminescence spectra. The results strongly indicate that the Yb related electronic level EC−30 meV, up to now only considered to be an electron trap, is indeed the Yb3+/Yb2+ acceptor level. We conclude that this level plays the crucial role for effective excitation of the 4f emission of the Yb3+ ion in InP. The thermal quenching in photoluminescence and for the decay time is ascribed to hole emission from the excited Yb3+ ion into the valence band.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.110050

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