We have studied luminescence and degradation of a ZnCdMgSe/ZnCdSe/ZnCdMgSe QW LED grown by MBE and lattice matched to its InP substrate. Results have been obtained from time-resolved and bias-dependent cathodoluminescence spectroscopy and from electroluminescence spectroscopy. Reversible and irreversible variations in luminescence intensity were observed during bias cycling and electron bombardment. Cathodoluminescence from the QW LED was modeled by calculating current generation and transport, bias-dependent energy levels, envelope wave functions, overlap integrals, and carrier escape rates. Results of these calculations agree qualitatively, but not quantitatively, with bias-dependent intensity and wavelength changes observed in the experiments.
This is a preview of subscription content, access via your institution.
Buy single article
Instant access to the full article PDF.
Tax calculation will be finalised during checkout.
S. P. Guo and M. C. Tamargo in II-VI Semiconductor Materials and Their Applications, 2002 edited by Maria C. Tamargo, (Taylor & Francis, New York, 2002), pp.261.
W. Faschinger and J. Nürnberger, Appl. Phys. Lett. 77, 187 (2000).
D. Albert, J. Nurnberger, V. Hock, M. Ehinger, W. Faschinger, and G. Landwehr, Appl. Phys. Lett. 74, 1957 (1999).
S. Gundel, D. Albert, J. Nurnberger, and W. Faschinger, Phys. Rev. B 60, R16271 (1999); J. Cryst. Growth 214/215, 474 (2000).
S. M. Sze, Physics of Semiconductor Devices, (Wiley, New York, 1981), pp. 82.
A. Yu. Nikiforov, G. S. Cargill III, M. C. Tamargo, S. P. Guo, Y.- C. Chen, Mat. Res. Soc. Symp. Proc. 692, H9.26.1 (2001).
H. Schneider and K. von Klitzing, Phys. Rev. B 38, 6160 (1988).
E. E. Mendez, G. Bastard, L. L. Chang, L. Esaki, H. Morkoc, and R. Fischer, Phys. Rev. B 26, 7101 (1982).
A. Y. Nikiforov, Cathodoluminescence From II-VI Quantum Wells, Ph.D. Dissertation, Lehigh University, 2003.
Y.-C. Chen, private communication, 2003.
About this article
Cite this article
Nikiforov, A.Y., Cargill, G.S., Guo, S.P. et al. Cathodoluminescence, Electroluminescence, and Degradation of ZnCdSe Quantum Well Light Emitting Diodes. MRS Online Proceedings Library 764, 318 (2002). https://doi.org/10.1557/PROC-764-C3.18