Donor binding energies in GaAs quantum wells considering the band nonparabolicity effects and the wavefunction elongation
Küçük Resim Yok
Tarih
2000
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Academic Press Ltd
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
The donor binding energies in finite GaAs/GaxAl1-As-x quantum wells have been calculated by considering the confinement of electrons, which increases as the well width increases. The variational solutions have been improved by using a two-parameter trial wavefunction, and by including the conduction band nonparabolicity. It is shown that the method used gives results in agreement with those obtained in the experiments on the effective mass and the donor binding energy, both of which are strongly dependent on the well width. (C) 2000 Academic Press.
Açıklama
Anahtar Kelimeler
Gaas/Gaxal1-Xas, Donor, Strong Confinement, Effective-Mass, D Centers
Kaynak
Superlattices And Microstructures
WoS Q Değeri
Q3
Scopus Q Değeri
Q2
Cilt
28
Sayı
3
