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Figure 53. Total optical absorption spectra (in units of W0), as a function of the hw — sg, for valence to donor transitions in infinite GaAs-(Ga,Al)As quantum dots of different radii. r0 = 3000 A (a) and r0 = 500 A (b) for a quantum dot with a homogeneous distribution of impurities, where there is no interaction between them. Reprinted with permission from [205], J. L. Marín et al., in "Handbook of Advanced Electronic and Photonic Materials and Devices" (H. S. Nalwa, Ed.). Academic Press, San Diego, 2001. © 2001, Academic Press.

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