NDLI: Quenching of electroluminescence and charge trapping in high-efficiency Ge-implanted MOS light-emitting silicon diodes

Content Provider	Springer Nature Link
Author	Nazarov, A.N. Osiyuk, I.N. Sun, J.M. Yankov, R.A. Skorupa, W. Tyagulskii, I.P. Lysenko, V.S. Prucnal, S. Gebel, T. Rebohle, L.
Copyright Year	2006
Abstract	Combined measurements of charge trapping and electroluminescence intensity as a function of injected charge and current have been carried out with the aim of clarifying the mechanisms of electroluminescence (EL) quenching in Ge-implanted ITO-SiO2-Si light-emitting silicon diodes. Good correlation between the negative charge capture in traps of small effective capture cross-sections (σt1 e=1.7×10-19 cm2 and σt2 e=4.8×10-20 cm2) located in SiO2, and the quenching of the asymmetrical EL line with a maximum intensity at 400 nm has been observed. Similar correlation between the electron capture in traps with extremely small effective capture cross-section (σt3 e=5×10-21 cm2) and the quenching of the EL line at 637 nm has been established. A quantitative model for the EL quenching has been developed, which takes into account the modification of the luminescent centers with subsequent electron capture at the newly generated traps. The model shows good agreement between simulation and experimental data. It also demonstrates that small effective capture cross-sections for electron charging during the EL quenching are determined by the probability of the luminescence centers (LCs) being disrupted, and enables one to estimate the Ge concentration associated with the EL at 400 nm.
Starting Page	129
Ending Page	134
Page Count	6
File Format	PDF
ISSN	09462171
Journal	Applied Physics B
Volume Number	87
Issue Number	1
e-ISSN	14320649
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-12-15
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electromagnetism, Optics and Lasers Physics and Applied Physics in Engineering Optical Spectroscopy, Ultrafast Optics Quantum Optics, Quantum Electronics, Nonlinear Optics Laser Technology and Physics, Photonics Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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