Energy spectrum and interlevel transitions within the conduction band of a D+ 2 complex confined in a spherical quantum dot
Date
2022Metadata
Show full item recordAbstract
In this work, we have performed a theoretically study on the energy spectrum, binding
energy and interlevel transitions within the conduction band of a D+
2 complex confined in
a spherical quantum dot with finite confinement potential by using diagonalization method
within the effective mass approximation. We analyzed the effect of the quantum dot size
and internuclear distance on the binding energy, equilibrium distance and optical response
of the singly ionized double donor complex. Theoretical analysis of the D+
2 system indicated
that the internuclear distance significantly affects the energy difference between the
two lowest-lying electron states and amplitude of the interlevel transitions within the conduction
band. In general, the internuclear distance and quantum dot size dependence of the
energy states of the D+
2 complex in a quantum dot shows that the optical sensitivity of a
quasi-two-level system can be tuned as desired.