Perovskite semiconductors for ionizing radiation detection

H Hu, G Niu, Z Zheng, L Xu, L Liu, J Tang - EcoMat, 2022 - Wiley Online Library
The detection of ionizing radiation such as X‐ray, γ‐ray, α‐particle, and neutrons has been
widely required in medical and industrial areas. Perovskite semiconductor detectors are …

Optical charge state control of spin defects in 4H-SiC

G Wolfowicz, CP Anderson, AL Yeats… - Nature …, 2017 - nature.com
Defects in silicon carbide (SiC) have emerged as a favorable platform for optically active
spin-based quantum technologies. Spin qubits exist in specific charge states of these …

[HTML][HTML] Defect-engineered graphene-on-silicon-carbide platform for magnetic field sensing at greatly elevated temperatures

T Ciuk, R Kozłowski, A Romanowska, A Zagojski… - Carbon Trends, 2023 - Elsevier
High-temperature electrical properties of p-type hydrogen-intercalated quasi-free-standing
epitaxial Chemical Vapor Deposition graphene on semi-insulating vanadium-compensated …

High-temperature Hall effect sensor based on epitaxial graphene on high-purity semiinsulating 4H-SiC

T Ciuk, B Stanczyk, K Przyborowska… - … on Electron Devices, 2019 - ieeexplore.ieee.org
In this report, we demonstrate a novel high-temperature Hall effect sensor that is based on
quasi-free-standing monolayer graphene epitaxially grown on high-purity semiinsulating (SI) …

High-temperature annealing of high purity semi-insulating 4H-SiC and its effect on the performance of a photoconductive semiconductor switch

PH Choi, YP Kim, S Park, SM Hong… - IEEE Electron …, 2023 - ieeexplore.ieee.org
The Z 1/2 defect, a deep acceptor level in high purity semi-insulating (HPSI) 4H-SiC, plays
an important role in optoelectronic properties, particularly in below bandgap photon …

Performance modeling of silicon carbide photoconductive switches for high-power and high-frequency applications

S Rakheja, L Huang, S Hau-Riege… - IEEE Journal of the …, 2020 - ieeexplore.ieee.org
In this article, we focus on the physical modeling of the nonlinear operation of intrinsic
photoconductive semiconductor switches (PCSS) based on 4H-SiC using coupled electrical …

Current status of modelling the semi-insulating 4H–SiC transient photoconductivity for application to photoconductive switches

M Suproniuk, P Kamiński, R Kozłowski… - Opto-Electronics …, 2017 - Elsevier
In this paper we present the current status of modelling the time evolution of the transient
conductivity of photoexcited semi-insulating (SI) 4H–SiC taking into account the properties of …

Sticking coefficient and Si/C ratio of silicon carbide growth species on reconstructed 4H− SiC (0001‾) surface by ab-initio calculations

AA Alao, WN Wu, WD Hsu - Vacuum, 2022 - Elsevier
The production of silicon carbide boule for electronic device fabrication is bedeviled by
defects and requires the usage of stable, high symmetry, and high-quality substrate, as a …

Sub-bandgap response of graphene/SiC Schottky emitter bipolar phototransistor examined by scanning photocurrent microscopy

BG Barker, VSN Chava, KM Daniels… - 2D …, 2017 - iopscience.iop.org
Graphene layers grown epitaxially on SiC substrates are attractive for a variety of sensing
and optoelectronic applications because the graphene acts as a transparent, conductive …

[PDF][PDF] Effect of deep-level defects on transient photoconductivity of semi-insulating 4H-SiC

M Suproniuk, P Kamiński, R Kozłowski… - … Physica Polonica A, 2014 - bibliotekanauki.pl
A model enabling the equilibrium conductivity and transient photoconductivity of semi-
insulating 4H-SiC to be simulated has been demonstrated. Using this model, the simulations …