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Effect of spatial electric field on the sub-band energy in a cubic GaAs/AlAs quantum dot

✍ Scribed by C. Dane; H. Akbas; N. Talip; K. Kasapoğlu

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
157 KB
Volume
39
Category
Article
ISSN
1386-9477

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✦ Synopsis

The electron sub-band energy of a cubic GaAs/AlAs quantum dot under an applied spatial electric field is theoretically investigated within a variational scheme. In this case, we show that the electron sub-band energy E decreases with spatial electric field strength F and increases or decreases depending upon the orientation of the spatial electric field.

📜 SIMILAR VOLUMES

Spatial electric field effect in a GaAs/
Spatial electric field effect in a GaAs/AlAs tetragonal quantum dot
✍ H. Akbas; C. Dane; K. Kasapoğlu; N. Talip 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 227 KB

Within the effective-mass approximation and with two-parameter variational procedure we have calculated the effect of spatial electric field and ratios of dot edge lengths(c/a) on the electron sub-band energy and the polarization of an electron in the tetragonal GaAs/AlAs quantum dot. It is found th