Photogain-Enhanced Signal-to-Noise Performance of a Polycrystalline Sn:Ga2O3 UV Detector via Impurity-Level Transition and Multiple Carrier Transport

S Yao, Z Liu, M Zhang, L Shu, Z Xi, L Li… - ACS Applied …, 2023 - ACS Publications
In this work, a deep-UV photodetector based on a Sn-doped Ga2O3 (Sn: Ga2O3) thin film
grown by mist chemical vapor deposition (mist-CVD) technology on an α-Al2O3 substrate is …

Revealing the photo-sensing capabilities of a super-flexible, paper-based wearable a-Ga2O3 self-driven ultra-high-performance solar-blind photodetector

U Varshney, A Sharma, P Singh, G Gupta - Chemical Engineering Journal, 2024 - Elsevier
To address the growing demand for wearable optoelectronic devices in secure
communication, environmental monitoring, biomedical, and military applications, the …

A self-powered photodetector through facile processing using polyethyleneimine/carbon quantum dots for highly sensitive UVC detection

VPH Huy, CW Bark - RSC advances, 2024 - pubs.rsc.org
Ultraviolet C (UVC) photodetectors have garnered considerable attention recently because
the detection of UVC is critical for preventing skin damage in humans, monitoring …

[HTML][HTML] High-performance normally-off Si-doped β-Ga2O3 deep ultraviolet phototransistor grown on N-doped β-Ga2O3

S Kim, HY Kim, Y Kim, DW Jeon, WS Hwang… - Applied Surface …, 2025 - Elsevier
Abstract β-phase gallium oxide (β-Ga 2 O 3) is attracting attention as a deep—ultraviolet
photodetector (PD) owing to its large band gap of 4.9 eV, almost direct band gap …

High-performance solar-blind photodetector based on Si-doped α-Ga2O3 thin films grown by mist chemical vapor deposition

H Ouyang, X Wang, Y Li, R Wang, Y Wang… - Journal of Alloys and …, 2024 - Elsevier
Abstract α-Ga 2 O 3 has gained increasing attention in the field of photodetectors because of
its wide bandgap and exceptional chemical and physical properties. Si-doped α-Ga 2 O 3 …

Synthesis of nitrogen-doped crystalline Ga2O3 thin films via trimethylgallium doped NH3/H2/N2/O2 premixed stagnation flames

S Luo, M Chang, G Yin, M Sun, J Ma, XW Sun… - Fuel, 2024 - Elsevier
This study presents a novel and cost-effective technique for fabricating nitrogen-doped
crystalline α-Ga 2 O 3 and β-Ga 2 O 3 thin films under atmospheric pressure conditions …

[HTML][HTML] Impact of Channel Thickness and Doping Concentration for Normally-Off Operation in Sn-Doped β-Ga2O3 Phototransistors

Y Yoon, Y Kim, M Shin - Sensors, 2024 - mdpi.com
We demonstrate a Sn-doped monoclinic gallium oxide (β-Ga2O3)-based deep ultraviolet
(DUV) phototransistor with high area coverage and manufacturing efficiency. The threshold …

Sn-doped n-type amorphous gallium oxide semiconductor with energy bandgap of 4.9 eV

D Seo, J Baek, S Kim, BJ Cho, WS Hwang - Materials Science in …, 2024 - Elsevier
An n-type amorphous Ga 2 O 3 thin film with a bandgap of 4.9 eV is formed using the Sn-
dopant spin-on-glass (SOG) method followed by a drive-in process at 400° C for 1 h in an Ar …

Charge Neutral Point Shift of a 700 nm-Thick α-Ga2O3 Thin-Film Detector under Soft X-ray Irradiation

TH Vo, S Kim, M Kim, HG Cho, SH Gihm… - ACS Applied …, 2024 - ACS Publications
This study investigates the shift of the charge neutral point (CNP) of 700 nm-thick α-Ga2O3
metal–semiconductor-metal (MSM) devices in response to X-ray exposure and relaxation …

Microstructure and properties of Cu-doped β-Ga2O3 rod prepared with liquid metallic gallium

G Gong, L Gou - Journal of the European Ceramic Society, 2025 - Elsevier
One-dimensional β-Ga 2 O 3 is expected for potential applications in electronics, sensors,
and optoelectronics. Gallium hydroxide (GaO (OH)) with different Cu doping was prepared …