Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Alex S. W. Lee"'
Publikováno v:
Journal of Applied Physics. 86:3402-3407
Impurity-free vacancy disordering techniques using rapid thermal annealing with electron-beam evaporated SiO2 encapsulant was utilized to study its effect on the optical and electrical properties of the highly strained InGaAs/GaAs quantum well infrar
Publikováno v:
Applied Physics Letters. 74:1102-1104
The effect of interdiffusion on strained InGaAs/GaAs quantum-well infrared photodetectors is investigated. Photoluminescence measurements of the interband transition indicate that there is minimal deterioration of the annealed heterostructures, as it
Autor:
E. Herbert Li, Alex S. W. Lee
Publikováno v:
Applied Physics Letters. 69:3581-3583
The intersubband infrared photodetector performance is theoretically analyzed for various stages of interdiffusion in AlGaAs/GaAs quantum well. The absorption strength and responsivity are enhanced for certain extents of interdiffusion and the peak d
Autor:
Alex S. W. Lee, E. Herbert Li
Publikováno v:
SPIE Proceedings.
Intermixing effect in type-II Ga 0.6 In 0.4 Sb/InAs superlattices is studied. The interdiffusion of both group- III and group V atoms across the heterointerface modifies the superlattices optical properties and electronic structures. The intermixed-i
Publikováno v:
SPIE Proceedings.
Interdiffusion effect has been investigated in highly strained InGaAs/GaAs multiple quantum well (MQW) IR photodetector. Impurity-free interdiffusion techniques was utilized via rapid thermal annealing (RTA) using electron- beam evaporated SiO2 cap l
Publikováno v:
MRS Proceedings. 484
RTA at 850 °C for 5 and 10 s is carried out to study the effect of interdiffusion on the optical and electrical properties of strained InGaAs/GaAs quantum well infrared photodetector. Photoluminescence measurement at 4.5 K shows that no strain relax
Autor:
E. Herbert Li, Alex S. W. Lee
Publikováno v:
SPIE Proceedings.
A wide tunable long-wavelength AlGaAs/GaAs quantum well intersubband photodetector is theoretically analyzed for various stages of interdiffusion. Both the absorption strength and responsivity are enhanced for certain extents of interdiffusion and th