N-polar GaN/AlN resonant tunneling diodes

THz resonant-tunneling diodes

Spin injection in n-type resonant tunneling diodes

We have studied the polarized resolved photoluminescence of n-type GaAs/AlAs/GaAlAs resonant tunneling diodes under magnetic field parallel to the tunnel current. Under resonant tunneling conditions, we have observed two emission lines attributed to neutral (X) and negatively charged excitons (X-). We have observed a voltage-controlled circular polarization degree from the quantum well emission...

Ferromagnetic Resonant Tunneling Diodes: Physics and Applications

Dedication To my family. v Acknowledgements I would like to acknowledge, foremost, my advisor Prof. Sanjay Banerjee. I should thank him for providing me the opportunity to pursue graduate study, his constant support for the last six years – both intellectual and material, and the flexibility he afforded to me to define and follow my interests. Second, I would like to acknowledge my co-advisor P...

Electron-photon interaction in resonant tunneling diodes

– We develop a model to describe the transmission coefficient and tunneling current in the presence of electron-photon coupling in a resonant diode. Our model takes into account multiphoton processes as well as the transitions between electronic states with different wave numbers. This is crucial to explain the experimental features observed in the tunneling current through a double barrier whi...

Resonant-tunneling diodes with emitter prewells

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