Amorphous selenium

X-ray Imaging Research Group - Amorphous Selenium (a-Se)

Amorphous Selenium (a-Se). Many of the detector systems being developed in our lab use a photoconductor called amorphous Selenium (a-Se) as the X-ray detector ...

The difference between amorphous selenium and amorphous ...

From the perspective of energy conversion, the former belongs to direct conversion flat panel detectors, and the latter belongs to indirect conversion flat ...

Recent Developments of Amorphous Selenium-Based X-Ray ...

Recent Developments of Amorphous Selenium-Based X-Ray Detectors: A Review. Abstract: Amorphous selenium (a-Se) is a photoconductive material ...

What is the difference between amorphous silicon ... - Perlove Medical

Amorphous selenium flat panel detectors use selenium as a photoconductive material, which can convert optical signals directly into electrical ...

Structure of Amorphous Selenium: Small Ring, Big Controversy

Abstract ... Selenium (Se) discovered in 1817 belongs to the family of chalcogens. Surprisingly, despite the long history of over two centuries ...

Amorphous selenium flat panel detectors for medical applications

The rationale is given for the investigation of a new detector concept—an indirect conversion FPI with avalanche gain—for low-dose X-ray imaging. This detector ...

Digital radiography using amorphous selenium - PubMed

A new amorphous selenium (a-Se) digital radiography detector is introduced. The proposed detector generates a charge image in the a-Se layer in a ...

Photon counting performance of amorphous selenium and its ...

Photon counting detectors (PCD) have the potential to improve x-ray imaging; however, they are still hindered by high costs and performance ...

Tuning Amorphous Selenium Composition with Tellurium to Improve ...

The electronic structure of amorphous materials differs greatly from crystalline materials due to the loss of symmetry. In particular, the high ...

Trapping Processes in Amorphous Selenium

The theory of small-signal current transients is applied to the study of electron trapping processes in amorphous selenium.

High spatial resolution direct conversion amorphous selenium X-ray ...

High spatial resolution direct conversion amorphous selenium X-ray detectors with monolithically integrated CMOS readout, Z. Han, ...

Amorphous selenium and its alloys from early xeroradiography to ...

Amorphous selenium, like other chalcogenide glasses is also p-type in the sense that holes are more mobile than electrons. However, a-Se has two ...

Amorphous selenium as an X-ray photoconductor - ScienceDirect.com

Recent research has clearly shown that amorphous selenium (a-Se) photoconductor based flat panel X-ray detectors are now at a stage that can provide excellent ...

Development of a novel, windowless, amorphous selenium based ...

Abstract page for arXiv paper 2207.11127: Development of a novel, windowless, amorphous selenium based photodetector for use in liquid noble ...

Recent Developments of Amorphous Selenium- Based X-Ray ...

Index Terms— Amorphous selenium, X-ray image sensor, direct conversion, indirect conversion. I. INTRODUCTION. AMORPHOUS selenium has a low melting point and.

Development of an Amorphous Selenium-Based Photodetector ...

Amorphous-selenium (a-Se) based photodetectors are promising candidates for imaging devices, due to their high spatial resolution and response speed, ...

X-ray photogeneration in amorphous selenium: Geminate versus ...

Amorphous selenium (a-Se) is a photoconductor used for both optical and x-ray imaging. Its optical photogeneration efficiency has been ...

What are the advantages and disadvantages of amorphous ...

The conversion of amorphous selenium flat panel detectors is relatively straightforward, that is, through semiconductors, the received X-rays are directly ...

X‐ray imaging using amorphous selenium: Feasibility of a flat panel ...

Abstract. We investigate a concept for making a large area, flat-panel detector for digital radiology. It employs an x-ray sensitive photoconductor to convert ...

What is the difference between amorphous silicon ... - Perlove Medical

The amorphous selenium flat panel detector uses selenium as a photoconductive material, which can directly convert light signals into electrical ...