Results 1 to 10 of about 23,363 (160)
World 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 +2 more sources
Dual radioisotopes simultaneous SPECT of 99mTc-tetrofosmin and 123I-BMIPP using a semiconductor detector. [PDF]
Asia 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 +2 more sources
Journal of Medical Signals and Sensors, 2014 Gamma camera is an important apparatus in nuclear medicine imaging. Its detection part is consists of a scintillation detector with a heavy collimator. Substitution of semiconductor detectors instead of scintillator in these cameras has been effectively ...
M Hajizadeh-Safar +3 more
doaj +2 more sources
Photonics, 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]
EPJ 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
Boron Nitride Nanoribbons Grown by Chemical Vapor Deposition for VUV Applications
Micromachines, 2022 The fabrication process of vacuum ultraviolet (VUV) detectors based on traditional semiconductor materials is complex and costly. The new generation of wide-bandgap semiconductor materials greatly reduce the fabrication cost of the entire VUV detector ...
Jiandong Hao +5 more
doaj +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]
Advances 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
LiInSe2 for Semiconductor Neutron Detectors
Frontiers in Physics, 2020 Lithium indium selenide (LiInSe2) is being developed for use as a room temperature semiconductor detector for thermal neutrons. The material has been studied for a number of applications including non-linear optics such as parametric oscillators, as ...
Alireza Kargar +8 more
doaj +1 more source
Estimation of Fano factor for oversquare HPGe detector
Radiation Protection and Environment, 2022 Fano factor is a quantity used to measure the departure of the observed variance in the number of charge carriers produced from that predicted using poison statistics. Fano factor varies with the detector type.
M Manohari +3 more
doaj +1 more source
Electrical characteristics analysis of a 314 mm2 double-sided spiral SDD for x-ray pulsar navigation
Materials Research Express, 2020 Pulsar navigation, to meet the physical needs of detecting pulsed x-ray contour, requires a large-area and high-energy resolution silicon drift detector (SDD).
Xinwang Zhang +3 more
doaj +1 more source