Donor-impurity related binding energy and photoinization cross-section in quantum dots: electric and magnetic fields and hydrostatic pressure effects

We have studied the behavior of the binding energy and photoionization cross-section of a donor-impurity in cylindrical-shape GaAs-Ga 0.7 Al 0.3 As quantum dots, under the effects of hydrostatic pressure and in-growth direction applied electric and magnetic fields. We have used the variational metho...

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Veröffentlicht in:	The European physical journal. B, Condensed matter physics Jg. 72; H. 4; S. 521 - 529
Hauptverfasser:	Barseghyan, M. G., Kirakosyan, A. A., Duque, C. A.
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Berlin/Heidelberg Springer-Verlag 01.12.2009 EDP Sciences
Schlagworte:	Complex Systems Condensed Matter Physics Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron states and collective excitations in thin films, multilayers, quantum wells, mesoscopic and nanoscale systems Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Exact sciences and technology Fluid- and Aerodynamics Mesoscopic and Nanoscale Systems Physics Physics and Astronomy Quantum dots Solid State Physics Binding Energy Hydrostatic Pressure GaAs Incident Radiation Quantum Well Gallium arsenides Pressure effects Variational methods Quantum dots Aluminium Gallium Arsenides Mixed Magnetic field effects Parabolic approximation Impurities Photoionization Electric field effects Binding energy Hydrostatic pressure Donor center Effective mass Impurity states
ISSN:	1434-6028, 1434-6036
Online-Zugang:	Volltext
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