189 citations · 1k across the 27 of their papers we have counts for
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Defect states and their electric field-enhanced electron thermal emission in heavily Zr-doped beta-Ga2O3 crystals
Rujun Sun, Yu Kee Ooi, Arkka Bhattacharyya +4
Performing deep level transient spectroscopy (DLTS) on Schottky diodes, we investigated defect levels below the conduction band minima (Ec) in Czochralski (CZ) grown unintentionall…
Oxygen annealing induced changes in defects within beta-Ga2O3 epitaxial films measured using photoluminescence
Rujun Sun, Yu Kee Ooi, Praneeth Ranga +3
In this work, we use photoluminescence spectroscopy (PL) to monitor changes in the UV, UV', blue, and green emission bands from n-type (010) Ga2O3 films grown by metalorganic vapor…
Growth and Characterization of Metalorganic Vapor-Phase Epitaxy-Grown \b{eta}-(AlxGa1-x)2O3/\b{eta}-Ga2O3 Heterostructure Channels
Praneeth Ranga, Arkka Bhattacharyya, Adrian Chmielewski +5
We report on the growth and characterization of metalorganic vapor-phase epitaxy-grown \b{eta}-(AlxGa1-x)2O3/\b{eta}-Ga2O3 modulation-doped heterostructures. Electron channel is re…
Delta-doped \b{eta}-Ga2O3 Films With Low FWHM Charge Profile Grown By Metalorganic Vapor-Phase Epitaxy
Praneeth Ranga, Arkka Bhattacharyya, Adrian Chmielewski +3
We report on low-temperature MOVPE growth of silicon delta-doped \b{eta}-Ga2O3 films with low FWHM. The as-grown films are characterized using Secondary-ion mass spectroscopy, Capa…
Low Temperature Homoepitaxy Of (010) -GaO By Metalorganic Vapor Phase Epitaxy : Expanding The Growth Window
Arkka Bhattacharyya, Praneeth Ranga, Saurav Roy +3
In this work, we report on the growth of high-mobility -GaO homoepitaxial thin films grown at a temperature much lower than the conventional growth temperature window fo…
Analytical Modeling and Design of Gallium Oxide Schottky Barrier Diodes Beyond Unipolar Figure of Merit Using High-k Dielectric Superjunction Structures
Saurav Roy, Arkka Bhattacharyya, Sriram Krishnamoorthy
This work presents the design of beta-Ga2O3 schottky barrier diode using high-k dielectric superjunction to significantly enhance the breakdown voltage vs on-resistance trade-off b…