X-Ray Detector Based on All-Inorganic Lead-Free Cs2AgBiBr6 Perovskite Single Crystal

H Zhang, Z Gao, R Liang, X Zheng… - … on Electron Devices, 2019 - ieeexplore.ieee.org
In this paper, single crystals (SCs) of the Cs 2 AgBiBr 6 double perovskite were grown using
the method of crystallization from a supersaturated solution. It was shown that the natural …

Dark current mechanisms in amorphous selenium-based photoconductive detectors: an overview and re-examination

MZ Kabir - Journal of Materials Science: Materials in Electronics, 2015 - Springer
The transient and steady-state dark current behaviors in various amorphous selenium (a-Se)
detectors are analyzed by developing mathematical models considering all possible …

Doped and Stabilized Amorphous Selenium Single and Multilayer Photoconductive Layers for X‐Ray Imaging Detector Applications

SO Kasap - Photoconductivity and Photoconductive Materials …, 2022 - Wiley Online Library
Stabilized amorphous selenium (a‐Se) refers to a‐Se that has been stabilized against
crystallization by alloying it with As. Generally, the As content is below 1%, but it can be as …

Effects of charge carrier trapping on image resolution of multilayer photoconductive detectors: Application to amorphous selenium X-ray detectors

MZ Kabir - Radiation, 2022 - mdpi.com
Simple Summary The imaging detectors use blocking layers between the bulk
photoconductor and the metal contacts to reduce the unwanted charge carrier injection from …

Modeling of photocurrent and lag signals in amorphous selenium x-ray detectors

S Siddiquee, MZ Kabir - Journal of Vacuum Science & Technology A, 2015 - pubs.aip.org
A mathematical model for transient photocurrent and lag signal in x-ray imaging detectors
has been developed by considering charge carrier trapping and detrapping in the energy …

A novel amorphous selenium avalanche detector structure for low dose medical X-ray imaging

SM Arnab, MZ Kabir - IEEE Transactions on Radiation and …, 2019 - ieeexplore.ieee.org
A novel amorphous selenium (a-Se) avalanche detector structure for low dose direct-
conversion flat-panel X-ray detector is proposed. The proposed structure contains blocking …

Dark current modeling for a polyimide—Amorphous lead oxide-based direct conversion X-ray detector

T Thibault, O Grynko, E Pineau, A Reznik - Sensors, 2022 - mdpi.com
The reduction of the dark current (DC) to a tolerable level in amorphous selenium (a-Se) X-
ray photoconductors was one of the key factors that led to the successful commercialization …

Mechanisms of temperature-and field-dependent effective drift mobilities and impact ionization coefficients in amorphous selenium

N Hijazi, MZ Kabir - Canadian Journal of Physics, 2015 - cdnsciencepub.com
The mechanisms of electric-field-and temperature-dependent effective drift mobility and
impact ionization coefficient of both holes and electrons in amorphous selenium (a-Se) are …

Characterization of lag signal in amorphous selenium detectors

S Abbaszadeh, S Ghaffari, S Siddiquee… - … on Electron Devices, 2016 - ieeexplore.ieee.org
The photocurrent and the lag signals in amorphous selenium (a-Se) detectors have been
characterized by measuring the optical and residual currents under varying light intensity …

Investigation of dark current mechanisms in a polyimide blocking layer utilized in an amorphous lead oxide-based x-ray detector

T Thibault, O Grynko, E Pineau… - Medical Imaging 2022 …, 2022 - spiedigitallibrary.org
Amorphous lead oxide (a-PbO) is considered a promising photoconductor to replace
amorphous selenium (a-Se), extending the diagnostic capabilities of direct conversion …