New configuration-coordinate model for the ground, excited, and metastable states of EL2 in GaAs
Physical Review Letters, ISSN: 0031-9007, Vol: 59, Issue: 5, Page: 590-593
1987
- 18Citations
- 1Captures
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Article Description
A new configuration-coordinate model for EL2, where the excited state has asymmetrical dual minima, is proposed to explain the oscillatory spectrum of transition rate obtained by a novel spectral photocapacitance transient analysis measurement. The model claims that an electron in the excited state of EL2 has a probability of relaxing both to the conduction band and to the metastable state. It can explain a Gaussian shape of the photoquenching spectrum which cannot be interpreted with the conventional scheme. The proposed model suggests that EL2 in GaAs originates from a complex defect of arsenic antisite with arsenic interstitial atom(s). © 1987 The American Physical Society.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=25944451314&origin=inward; http://dx.doi.org/10.1103/physrevlett.59.590; http://www.ncbi.nlm.nih.gov/pubmed/10035813; https://link.aps.org/doi/10.1103/PhysRevLett.59.590; http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevLett.59.590/fulltext; http://link.aps.org/article/10.1103/PhysRevLett.59.590
American Physical Society (APS)
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