Wide bandgap oxide semiconductors: from materials physics to optoelectronic devices

J Shi, J Zhang, L Yang, M Qu, DC Qi… - Advanced …, 2021 - Wiley Online Library
Wide bandgap oxide semiconductors constitute a unique class of materials that combine
properties of electrical conductivity and optical transparency. They are being widely used as …

Radiation damage effects in Ga 2 O 3 materials and devices

J Kim, SJ Pearton, C Fares, J Yang, F Ren… - Journal of Materials …, 2019 - pubs.rsc.org
The strong bonding in wide bandgap semiconductors gives them an intrinsic radiation
hardness. Their suitability for space missions or military applications, where issues of …

Perspective: Ga2O3 for ultra-high power rectifiers and MOSFETS

SJ Pearton, F Ren, M Tadjer, J Kim - Journal of Applied Physics, 2018 - pubs.aip.org
Gallium oxide (Ga2O3) is emerging as a viable candidate for certain classes of power
electronics with capabilities beyond existing technologies due to its large bandgap …

[HTML][HTML] Point defects in Ga2O3

MD McCluskey - Journal of Applied Physics, 2020 - pubs.aip.org
In the field of high-power electronics, gallium oxide (Ga 2 O 3) is attracting attention due to
its wide bandgap and ability to be doped n-type. Point defects, including vacancies …

[HTML][HTML] Impact of proton irradiation on conductivity and deep level defects in β-Ga2O3

ME Ingebrigtsen, AY Kuznetsov, BG Svensson, G Alfieri… - Apl Materials, 2019 - pubs.aip.org
ME Ingebrigtsen, A. Yu. Kuznetsov, BG Svensson, G. Alfieri, A. Mihaila, U. Badstübner, A.
Perron, L. Vines, JB Varley; Impact of proton irradiation on conductivity and deep level …

Radiation damage in wide and ultra-wide bandgap semiconductors

SJ Pearton, A Aitkaliyeva, M **an, F Ren… - ECS Journal of Solid …, 2021 - iopscience.iop.org
The wide bandgap semiconductors SiC and GaN are already commercialized as power
devices that are used in the automotive, wireless, and industrial power markets, but their …

[HTML][HTML] Deep level defect states in β-, α-, and ɛ-Ga2O3 crystals and films: Impact on device performance

AY Polyakov, VI Nikolaev, EB Yakimov, F Ren… - Journal of Vacuum …, 2022 - pubs.aip.org
A review is given of reported trap states in the bandgaps of different polymorphs of the
emerging ultrawide bandgap semiconductor Ga 2 O 3. The commonly observed defect …

High-Speed and Ultrasensitive Solar-Blind Ultraviolet Photodetectors Based on In Situ Grown β-Ga2O3 Single-Crystal Films

T Chen, X Zhang, L Zhang, C Zeng, S Li… - … Applied Materials & …, 2024 - ACS Publications
Deep-level defects in β-Ga2O3 that worsen the response speed and dark current (I d) of
photodetectors (PDs) have been a long-standing issue for its application. Herein, an in situ …

Self-trapped hole and impurity-related broad luminescence in β-Ga2O3

YK Frodason, KM Johansen, L Vines… - Journal of Applied …, 2020 - pubs.aip.org
This work explores the luminescence properties of self-trapped holes and impurity-related
acceptors using one-dimensional configuration coordinate diagrams derived from hybrid …

Unusual Formation of Point-Defect Complexes in the Ultrawide-Band-Gap Semiconductor

JM Johnson, Z Chen, JB Varley, CM Jackson… - Physical Review X, 2019 - APS
Understanding the unique properties of ultra-wide band gap semiconductors requires
detailed information about the exact nature of point defects and their role in determining the …