Shallow impurity binding energy in lateral parabolic confinement under an external magnetic field


Elagoz S., ÖZBAKIR R., Kutlu S., Sokmen I.

SUPERLATTICES AND MICROSTRUCTURES, vol.44, no.6, pp.802-808, 2008 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 44 Issue: 6
  • Publication Date: 2008
  • Doi Number: 10.1016/j.spmi.2008.09.001
  • Journal Name: SUPERLATTICES AND MICROSTRUCTURES
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.802-808
  • Keywords: Cylindrical quantum well wire, Impurity, Lateral parabolic confinement, Binding energy, Magnetic field, QUANTUM-WELL WIRES, HYDROGENIC-IMPURITY, TRANSITION ENERGIES, DONOR IMPURITIES, STATES
  • Dokuz Eylül University Affiliated: Yes

Abstract

We have described the calculation of hydrogenic impurity binding energies in cylindrical GaAs-Ga1-xAlxAs quantum well wires (QWWs) with lateral parabolic confinement in the presence of an axial magnetic field. The numerical calculations of this system have been performed with the use of a variational procedure in the effective mass approximation. We observed sharp changes in binding energy for critical spatial confinement radius and B magnetic field values. (C) 2008 Elsevier Ltd. All rights reserved.