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Figure 7 | Nanoscale Research Letters

Figure 7

From: Donor impurity-related linear and nonlinear intraband optical absorption coefficients in quantum ring: effects of applied electric field and hydrostatic pressure

Figure 7

Ground and first excited states. Ground and first excited state energies of the electron (colored lines) as functions of hydrostatic pressure. The calculations are for R1 = 10 nm, R2 = 20 nm, L = 20 nm, and F = 0. The impurity is placed at z i  = 0 and ρ i  = (R1 + R2)/2. The inset shows the corresponding energy difference between the 2s and 1s states.

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