Luminescence profiles of large electron-hole drops in stressed germanium

A large electron-hole drop may be stably formed in a potential well of maximum shear strain in a suitably stressed Ge crystal. We scan a magnified image of this drop across a narrow spectrometer slit and measure the time-resolved spatial distribution of the recombination luminescence following pulse...

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Bibliographic Details
Published in:Journal of luminescence 1976-03, Vol.12-13, p.659-663
Main Authors: Jeffries, C.D., Wolfe, J.P., Kelso, S.M., Markiewicz, R.S., Furneaux, J.E.
Format: Article
Language:English
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Summary:A large electron-hole drop may be stably formed in a potential well of maximum shear strain in a suitably stressed Ge crystal. We scan a magnified image of this drop across a narrow spectrometer slit and measure the time-resolved spatial distribution of the recombination luminescence following pulsed laser excitation. The drop is approximately spherical with an initial radius ≈0.2 mm, which decays with a time constant of 1500 μs.
ISSN:0022-2313
1872-7883
DOI:10.1016/0022-2313(76)90157-5