Degradation of electron-beam-pumped Zn1-xCdxSe/ZnSe GRINSCH blue-green lasers

We explored the degradation in electron beam pumped Zn1-xCdxSe/ZnSe laser structures by combining cathodoluminescence measurements in a scanning electron microscope with transmission electron microscopy. We found that degradation occurred via the formation of dark spot and dark line defects, and that it involved the formation of a characteristic type of defect, namely dislocation loops within the ZnCdSe quantum well, which grew to form a characteristic network as degradation progressed.


Published in:
Microscopy of Semiconducting Materials 1997, 565-568
Year:
1997
Publisher:
Iop Publishing Ltd
ISSN:
0951-3248
Keywords:
Note:
Ecole Polytech Fed Lausanne, Inst Micro & Optoelect, CH-1015 Lausanne, Switzerland. LETI, Dept Optron, F-38054 Grenoble 9, France. INFM, Lab Natl, Area Ric, I-34012 Trieste, Italy. Bonard, JM, Ecole Polytech Fed Lausanne, Inst Micro & Optoelect, CH-1015 Lausanne, Switzerland.
ISI Document Delivery No.: BK38G
Times Cited: 0
Cited Reference Count: 8
Cited References:
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Article
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