Results 1 to 10 of about 1,464,623 (194)

Cadmium telluride semiconductor detector for improved spatial and energy resolution radioisotopic imaging

open access: yesWorld Journal of Nuclear Medicine, 2017
The detector in single-photon emission computed tomography has played a key role in the quality of the images. Over the past few decades, developments in semiconductor detector technology provided an appropriate substitution for scintillation detectors ...
Samira Abbaspour   +2 more
doaj   +3 more sources

Dual radioisotopes simultaneous SPECT of 99mTc-tetrofosmin and 123I-BMIPP using a semiconductor detector. [PDF]

open access: yesAsia Oceania Journal of Nuclear Medicine and Biology, 2015
Objective(s): The energy resolution of a cadmium-zinc-telluride (CZT) solid-state semiconductor detector is about 5%, and is superior to the resolution of the conventional Anger type detector which is 10%.
Yasuyuki Takahashi   +5 more
doaj   +5 more sources

Light helicity detector based on 2D magnetic semiconductor CrI3

open access: yesNature Communications, 2021
Two-dimensional magnetic semiconductors hold promise for spin- and valleytronic applications. Here, the authors report the realization of light helicity detectors based on graphene/CrI3 van der Waals heterostructures, exhibiting a photocurrent behaviour ...
Xing Cheng   +10 more
doaj   +2 more sources

Towards time-of-flight PET with a semiconductor detector. [PDF]

open access: yesPhys Med Biol, 2018
Ariño-Estrada G   +7 more
europepmc   +2 more sources

Performance Degradation of Ga2O3-Based X-Ray Detector Under Gamma-Ray Irradiation [PDF]

open access: yesMicromachines
X-ray response performances of a p-NiO/β-Ga2O3 hetero-junction diode (HJD) X-ray detector were studied before and after γ-ray irradiation at −200 V, with a total dose of 13.5 kGy(Si). The response performances of the HJD X-ray detector were influenced by
Xiao Ouyang   +12 more
doaj   +2 more sources

Ultrahigh‐Flux X‐ray Detection by a Solution‐Grown Perovskite CsPbBr3 Single‐Crystal Semiconductor Detector

open access: yesAdvances in Materials, 2023
Solution‐processed perovskites are promising for hard X‐ray and gamma‐ray detection, but there are limited reports on their performance under extremely intense X‐rays.
L. Pan   +12 more
semanticscholar   +1 more source

Electrical Relaxation and Transport Properties of ZnGeP2 and 4H-SiC Crystals Measured with Terahertz Spectroscopy

open access: yesPhotonics, 2023
Terahertz photoconductivity and charge carrier recombination dynamics at two-photon (ZnGeP2) and three-photon (4H-SiC) excitation were studied. Thermally annealed, high-energy electron-irradiated and Sc-doped ZnGeP2 crystals were tested.
Vladimir I. Voevodin   +4 more
doaj   +1 more source

An innovative detector for X-ray beams made of polyethylene terephthalate built in a 3D printer [PDF]

open access: yesEPJ Web of Conferences, 2023
3D printers have been increasingly used to create different objects and tools for the most diverse areas of knowledge. In this paper, we bring results of the response of an X-ray detector that was made on a 3D printer with polyethylene terephthalate ...
Gomes Daniel F.   +2 more
doaj   +1 more source

Cesium Lead Bromide Semiconductor Radiation Detectors: Crystal Growth, Detector Performance and Ionic Polarization

open access: yesJournal of Materials Chemistry C, 2022
Cesium Lead Bromide (CsPbBr3) is an upcoming radiation detector semiconductor that has the potential to match the detection properties of Cadmium Zinc Telluride (CZT) and Thallium Bromide (TlBr).
R. Toufanian   +4 more
semanticscholar   +1 more source

A Novel Design of MSM Photodetector and the Investigation of Two-Top Contacts Spacing Effects on Detection Speed and Transient Response [PDF]

open access: yesAdvances in Engineering and Intelligence Systems, 2022
The photodetector is one of the main components of the optical communication systems that converts optical signal to electrical signal. Metal Semiconductor Metal photodetector is one type of photodetector with a high coefficient of quantum efficiency and
Savarimuthu Robinson, Yunjian Jia
doaj   +1 more source

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