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Anisotropic excitonic photocurrent in -GaO
Darpan Verma, Md Mohsinur Rahman Adnan, Sushovan Dhara +3
Polarization dependent photocurrent spectra are measured on a (001) -GaO Schottky photodetector, where the linear polarization of light is rotated within the ab plan…
Planar and 3-dimensional damage free etching of -Ga2O3 using atomic gallium flux
Nidhin Kurian Kalarickal, Andreas Fiedler, Sushovan Dhara +7
In-situ etching using Ga flux in an ultra-high vacuum environment like MBE is introduced as a method to make high aspect ratio 3 dimensional structures in -Ga2O3. Etching of …
All-MOCVD-Grown Gallium Nitride Diodes with Ultra-Low Resistance Tunnel Junctions
Syed M. N. Hasan, Brendan P. Gunning, Zane J. -Eddine +5
We carefully investigate three important effects including postgrowth activation annealing, delta (δ) dose and p+-GaN layer thickness and experimentally demonstrate their influence…
Spectral measurement of the breakdown limit of and tunnel ionization of self-trapped excitons and holes
Md M. Adnan, Darpan Verma, Zhanbo Xia +3
is an unusual semiconductor where large electric fields (~1-6 MV/cm) can be applied while still maintaining a dominant excitonic absorption peak below its ultra-wid…
Deep-recessed -GaO delta-doped field effect transistors with in situ epitaxial passivation
Chandan Joishi, Zhanbo Xia, John S. Jamison +4
We introduce a deep-recessed gate architecture in -GaO delta-doped field effect transistors for improvement in DC-RF dispersion and breakdown properties. The device desi…
Metal Dielectric Heterojunction Diode with 5.7 MV/cm Breakdown Field
Zhanbo Xia, Hareesh Chandrasekar, Wyatt Moore +8
Wide and ultra-wide band gap semiconductors can provide excellent performance due to their high energy band gap, which leads to breakdown electric fields that are more than an orde…