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9781616683689

Quantum Well Structures for Infrared Photodetection

by ;
  • ISBN13:

    9781616683689

  • ISBN10:

    1616683686

  • Format: Paperback
  • Copyright: 2011-03-30
  • Publisher: Nova Science Pub Inc
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List Price: $51.00

Summary

This book studies the electrical, optical and structural properties of the Be-oped GaInas/AlGaAs multiple quantum-well structures (MQWs) at different doping density in the GaInls well, both designed and fabricated in house. The higher Be-doping density in the wells was found to enhance the compressive strain and increase barrier height of the GaInAs/AlGaAs MQWs through extensive optical characterisation. It caused the shifts of the sub-energy levels in the valence band of the well material and the absorption wavelength resulting from the intersubband absorption. These observations were verified by theoretical calculation based on the six-band Luttinger-Kohn model by taking the Be-doping into account.

Table of Contents

Abstract
Introduction
Theoretical Review
P-doped gainas/algaas strained multiple quantum wells
Quantum well infrared photodetectors
Conclusion
Index
Table of Contents provided by Publisher. All Rights Reserved.

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