TITLE

1.3-μm light-emitting diode from silicon electron irradiated at its damage threshold

AUTHOR(S)
Canham, L. T.; Barraclough, K. G.; Robbins, D. J.
PUB. DATE
November 1987
SOURCE
Applied Physics Letters;11/9/1987, Vol. 51 Issue 19, p1509
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report 77-K electroluminescence from an irradiated carbon-rich silicon diode that has an internal quantum efficiency more than 103 times higher than that of band-to-band recombination in an unirradiated, but otherwise identical diode. This is achieved by creating optically active Cs-SiI-Cs complexes with room-temperature electron bombardment at an energy between the displacement thresholds for single vacancy and divacancy formation. Under these irradiation conditions, it is possible to create a high concentration of radiative defects without gross degradation of the diode’s electrical characteristics. The technique could provide very large scale integration-compatible silicon light-emitting diodes for 1.3–1.6 μm all-silicon integrated optics.
ACCESSION #
9824850

 

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