activity
20232026
most citedCrack-free high composition (>35%) thick (>30 nm) barrier AlGaN/AlN/GaN HEMT on sapphire with record low sheet resistance

9 citations · 9 across the 4 of their papers we have counts for

collaborators

4 papers

physics.app-ph2026

Demonstration of high output power (3.75 W/mm) with 31.8% PAE in Ga-Polar AlGaN/GaN HEMTs on sapphire at 94 GHz

Ruixin Bai, Swarnav Mukhopadhyay, Michael Elliott +12

In this work, a recessed-gate Ga-polar AlGaN/GaN high-electron-mobility transistor (HEMT) on sapphire incorporating an AlGaN back-barrier for W-band operation is demonstrated. The…

cond-mat.mtrl-sci2025

Single-crystalline high-quality beta-Ga2O3 pseudo-substrate on sapphire through sputtering for epitaxial deposition

Guangying Wang, Shuwen Xie, William Brand +10

Solid-phase epitaxy (SPE) of beta-Ga2O3 thin films by radio-frequency (RF) sputtering and then crystallized through high-temperature post-deposition annealing is employed on sapphi…

physics.app-ph2024

Demonstration of Si-doped Al-rich thin regrown Al(Ga)N films on AlN on sapphire templates with free carrier concentration using close-coupled showerhead MOCVD reactor

Swarnav Mukhopadhyay, Parthasarathy Seshadri, Mobinul Haque +6

Thin Si-doped Al-rich (Al>0.85) regrown Al(Ga)N layers were deposited on AlN on Sapphire template using metal-organic chemical vapor deposition (MOCVD) techniques. The optimization…

physics.app-ph2023★ 9 cited

Crack-free high composition (>35%) thick (>30 nm) barrier AlGaN/AlN/GaN HEMT on sapphire with record low sheet resistance

Swarnav Mukhopadhyay, Cheng Liu, Jiahao Chen +5

In this article, high composition (>35%) thick (>30 nm) barrier AlGaN/AlN/GaN HEMT structure grown on a sapphire substrate with ultra-low sheet resistivity (<250 Ω/ \Box ) is repor…