TY - BOOK AU - Safwan Saleh Abdelmwla Soliman AU - Nagwa Ahemed Elmeshad , AU - Sami Hanafi Allam , AU - Tharwat Mahmood Elsherbini , TI - Theoretical study for negative and positive charges in semicoductor quantum Dots / PY - 2010/// CY - Cairo : PB - Safwan Saleh Abdelmwla Soliman , KW - Charged exciton KW - Quantum dot KW - Semiconductor-nanostructuer N1 - Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Physics; Issued also as CD N2 - In this dissertation we study the dependence of binding energy and stability of positive and negative charges on the variation of external tunable parameters such as the geometry of the dot, the confinement potential, and an applied lateral electric field. We introduced a trial wave function not only to satisfy the strong confinement regime, but also to yield the correct results in the weak confinement regime inside the 3-D quantum dots QDs UR - http://172.23.153.220/th.pdf ER -