Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Shailesh K. Khamari"'
Publikováno v:
Physical Review B. 104
The GaAs/AlGaAs quantum well (QW) system is utilized to investigate the electron spin relaxation in the satellite X valley of indirect band gap ${\mathrm{Al}}_{0.63}{\mathrm{Ga}}_{0.37}\mathrm{As}$ epitaxial layers through polarization-resolved photo
Autor:
Abhishek Chatterjee, Shailesh K. Khamari, Ravi Kumar, Sanjay Porwal, Aniruddha Bose, S. Raghavendra, Vijay Kumar Dixit, Tarun Kumar Sharma
Publikováno v:
physica status solidi (RRL) – Rapid Research Letters. :2200322
Publikováno v:
Journal of Luminescence. 213:204-209
GaAs/AlGaAs multi quantum well (QW) architecture is employed to study the optical injection of spin polarized electrons in Al0.22Ga0.78As material over the excitation energy range of 1.85–3.4 eV. By analyzing the degree of circular polarization (DC
Publikováno v:
Journal of Physics D: Applied Physics. 54:495107
Publikováno v:
DAE SOLID STATE PHYSICS SYMPOSIUM 2018.
Autor:
Shailesh K. Khamari, S. Haldar, V. K. Dixit, T. K. Sharma, R. Roychowdhury, Geetanjali Vashisht, Heena Darji
Publikováno v:
AIP Conference Proceedings.
The effect of surface and interface states of various GaAs based structures such as n+GaAs, n-n+GaAs and p-i-n GaAs are investigated for understanding the detector performance. These structures are grown by metal organic vapor phase epitaxy (MOVPE).
Publikováno v:
2018 4th IEEE International Conference on Emerging Electronics (ICEE).
GaN metal-semiconductor-metal (MSM)ultraviolet photodetectors without and with annealed ZrO 2 insulating layers are successfully fabricated. It is found that the dark current is reduced by 3 times post annealing of the oxide layer. GaN MSM photo dete
Publikováno v:
Journal of Physics D: Applied Physics. 54:205101
Numerical simulations are carried out to estimate the inverse spin Hall voltage (V ISHE) as a function of applied electric field, dopant density and excitation energy for n-GaAs based opto-spintronic devices. Adopting a three valley rate equation mod
Publikováno v:
Superlattices and Microstructures. 148:106733
The role of threading dislocations and point defects is investigated by comparing the performance of metal-semiconductor-metal ultraviolet photodetectors (PDs) fabricated on GaN epilayers grown by hydride vapour phase epitaxy (HVPE) and metal organic