Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
64 (1994), S. 730-732
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The influence of strain-induced defects on the ambipolar diffusive transport of excess electrons and holes in the δ-doped InGaAs/GaAs multiple quantum well system has been examined with a new technique called electron-beam-induced absorption modulation (EBIA). The excess carrier lifetime and diffusion coefficient are obtained by a one-dimensional diffusion experiment that utilizes EBIA. An anisotropy in the ambipolar diffusion along both high-symmetry 〈110〉 directions is found, and this is seen to correlate with the distribution of dark line defects observed in cathodoluminescence.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.111048
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