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Effects of hydrostatic stress on the density of impurity states and donor-related optical absorption spectra in GaAs–(Ga,Al)As quantum wells

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Academic year: 2017

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Fig. 1 Binding energies of a donor impurity as a function of the impurity position along the growth direction of the well: a) L0 = 200 Å, hydrostatic pressure = 0, 10, 20, and 30 kbar, denoted by 1, 2, 3, and 4, respectively; b) hydro-static pressure = 20

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