The hydrostatic pressure and temperature effects on hydrogenic impurity binding energies in GaAs/InxGa1-xAs/GaAs square quantum well

Baser P., Altuntas İ., Elagoz S.

SUPERLATTICES AND MICROSTRUCTURES, cilt.92, ss.210-216, 2016 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 92
  • Basım Tarihi: 2016
  • Doi Numarası: 10.1016/j.spmi.2015.12.010
  • Dergi Adı: SUPERLATTICES AND MICROSTRUCTURES
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.210-216
  • Anahtar Kelimeler: Donor impurity binding energy, Quantum-well, Hydrostatic pressure, Temperature effect, MOLECULAR-BEAM EPITAXY, INDIUM SEGREGATION, FIELDS, GAIN
  • Sivas Cumhuriyet Üniversitesi Adresli: Evet

Özet

We have calculated the ground state binding energy using variational methods and the effective mass approximation for the hydrogenic impurity in square quantum well structure made up of GaAs/InGaAs/GaAs epilayers under the action of hydrostatic pressure and temperature for different well widths and barrier heights. The effects of the variation of hydrostatic pressure and temperature can be summarized as follows; impurity binding energy is a negligibly decreasing function of temperature for fixed pressure and is an increasing function of pressure for fixed temperature. (C) 2015 Elsevier Ltd. All rights reserved.