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Recombination in amorphous red phosphorus

Phillips, R. T. and Sobiesierski, Zbigniew 1987. Recombination in amorphous red phosphorus. Journal of Physics C: Solid State Physics 20 (27) , pp. 4259-4269. 10.1088/0022-3719/20/27/006

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Abstract

Radiative recombination in red a-P is reviewed briefly and new experiments on time-resolved photoluminescence are presented. These cover two time ranges: 50 ps-1 ns and 10-200 ns. The results of these experiments are interpreted as indicating that a Coulomb interaction in the ground state can account for the shift of the low-energy luminescence to lower energies with increasing time delay after excitation, which contradicts earlier models. A new model is proposed which attributes the low-energy luminescence to recombination of carriers trapped at P4+ and P2- centres and the high-energy band to recombination of electrons trapped on P4+ centres with holes in the valence band tail.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Lifelong Learning
Subjects: Q Science > QC Physics
Uncontrolled Keywords: Condensed matter: electrical, magnetic and optical Semiconductors
Publisher: IOP Publishing
ISSN: 0022-3719
Last Modified: 04 Jun 2017 02:34
URI: http://orca.cf.ac.uk/id/eprint/11182

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