%0 Journal Article
	%A Sara Sedaghat and  Mahmood Barati and  Iraj Kazeminezhad
	%D 2011
	%J International Journal of Nuclear and Quantum Engineering
	%B World Academy of Science, Engineering and Technology
	%I Open Science Index 50, 2011
	%T Numerical Calculation of the Ionization Energy of Donors in a Cubic Quantum well and Wire
	%U https://publications.waset.org/pdf/15771
	%V 50
	%X The ionization energy in semiconductor
systems in nano scale was investigated by using effective mass
approximation. By introducing the Hamiltonian of the system, the
variational technique was employed to calculate the ground state and
the ionization energy of a donor at the center and in the case that the
impurities are randomly distributed inside a cubic quantum well. The
numerical results for GaAs/GaAlAs show that the ionization energy
strongly depends on the well width for both cases and it decreases as
the well width increases. The ionization energy of a quantum wire
was also calculated and compared with the results for the well.
	%P 107 - 109