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Related papers: Study of Thick CZT Detectors for X-ray and Gamma-R…

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Cadmium Zinc Telluride (CZT) detectors are having a major impact on the field of hard X-ray astronomy. Without the need for cryogenic cooling they achieve good spatial and energy resolutions over the broad energy range from 10 keV to 600…

Astrophysics · Physics 2009-11-10 H. Krawczynski , I. Jung , J. Perkins , A. Burger , M. Groza

We describe initial results of our program to develop and test Cd-Zn-Te (CZT) detectors with a pixellated array readout. Our primary interest is in the development of relatively thick CZT detectors for use in astrophysical coded aperture…

Astrophysics · Physics 2007-05-23 P. F. Bloser , T. Narita , J. E. Grindlay , K. Shah

Cadmium telluride (CdTe) and cadmium zinc telluride (CdZnTe) have been regarded as promising semiconductor materials for hard X-ray and Gamma-ray detection. The high atomic number of the materials (Z_{Cd} =48, Z_{Te} =52) gives a high…

Astrophysics · Physics 2009-11-06 Tadayui Takahashi , Shin Watanabe

Cadmium Zinc Telluride and Cadmium Telluride are the detector materials of choice for the detection of X-rays in the X-ray energy band E >= 5keV with excellent spatial and spectral resolution and without cryogenic cooling. Owing to recent…

New generation Cadmium Telluride (CZT & CdTe) solid state detectors can provide high quantum efficiency with reasonably good energy resolution and can operate at near room temperature; an unique advantage for space experiments. We present…

Astrophysics · Physics 2009-11-13 J. S. Yadav , S. Savitri , J. P. Malkar

Measuring the depth of interaction in thick Cadmium-Zinc-Telluride (CZT) detectors allows improved imaging and spectroscopy for hard X-ray imaging above 100 keV. The Energetic X-ray Imaging Survey Telescope (EXIST) will employ relatively…

Astrophysics · Physics 2009-11-10 J. Hong , E. C. Bellm , J. E. Grindlay , T. Narita

We are currently developing Cadmium Zinc Telluride (CZT) detectors for a next-generation space-borne hard X-ray telescope which can follow up on the highly successful NuSTAR (Nuclear Spectroscopic Telescope Array) mission. Since the launch…

Instrumentation and Methods for Astrophysics · Physics 2021-02-09 Jason Tang , Fabian Kislat , Henric Krawczynski

We describe the results of detailed 3-D Monte Carlo simulations of a "CZT calorimeter" that can be used to detect photons in the keV to several MeV range. Several astrophysics applications require the detection of photons in the energy…

Astrophysics · Physics 2009-11-11 I. Jung , H. Krawczynski , S. Komarov , L. Sobotka

Cadmium zinc telluride (CdZnTe, CZT) radiation detectors are suitable for a variety of applications, due to their high spatial resolution and spectroscopic energy performance at room temperature. However, state-of-the-art detector systems…

Instrumentation and Detectors · Physics 2016-10-13 P. Födisch , M. Berthel , B. Lange , T. Kirschke , W. Enghardt , P. Kaever

We developed a 2-mm-thick CdTe double-sided strip detector (CdTe-DSD) with a 250 um strip pitch, which has high spatial resolution with a uniform large imaging area of 10 cm$^2$ and high energy resolution with high detection efficiency in…

Instrumentation and Methods for Astrophysics · Physics 2023-12-19 Takahiro Minami , Miho Katsuragawa , Shunsaku Nagasawa , Shin'ichiro Takeda , Shin Watanabe , Yutaka Tsuzuki , Tadayuki Takahashi

One of the key aspects of a detector material for space-borne hard X-ray and gamma-ray telescopes is the rate of prompt and delayed background events generated inside the material by charged and neutral particles striking the detector.…

The Cadmium Zinc Telluride Imager (CZTI) onboard AstroSat is designed for hard X-ray imaging and spectroscopy in the energy range of 20 - 100 keV. The CZT detectors are of 5 mm thickness and hence have good efficiency for Compton…

Instrumentation and Methods for Astrophysics · Physics 2021-03-01 Abhay Kumar , Tanmoy Chattopadhyay , Santosh V Vadawale , A. R. Rao , Soumya Gupta , Mithun N. P. S. , Varun Bhalerao , Dipankar Bhattacharya

We present methods to improve the energy resolution of single-channel, room-temperature Cadmium-Zinc-Telluride (CZT) detectors. A new preamplifier design enables the acquisition of the actual transient current from the crystals and…

Instrumentation and Detectors · Physics 2008-11-26 Y. Ramachers , D. Y. Stewart

The success of the SWIFT/BAT and INTEGRAL missions has definitely opened a new window for follow-up and deep study of the transient gamma-ray sky. This now appears as the access key to important progresses in the area of cosmological…

Semiconductor detectors made of CdTe crystal have high gamma-ray detection efficiency and are usable at room temperature. However, the energy resolution of CdTe detectors for MeV gamma-rays is rather poor because of the significant hole…

Instrumentation and Detectors · Physics 2011-12-22 T. Kikawa , A. K. Ichikawa , T. Hiraki , T. Nakaya

The use of photon counting detection technology has resulted in significant X-ray imaging research interest in recent years. Computed Tomography (CT) scanners can benefit from photon-counting detectors, which are new technology with the…

Instrumentation and Detectors · Physics 2024-01-08 K. Hameed , Rafidah Zainon , Mahbubunnabi Tamal

The Cadmium Zinc Telluride Imager (CZTI) is a high energy, wide-field imaging instrument on AstroSat. CZT's namesake Cadmium Zinc Telluride detectors cover an energy range from 20 keV to > 200 keV, with 11% energy resolution at 60 keV. The…

We report spectral and imaging performance of a pixelated CdZnTe detector custom designed for the \emph{MeVCube} project: a small Compton telescope on a CubeSat platform. \emph{MeVCube} is expected to cover the energy range between…

Instrumentation and Methods for Astrophysics · Physics 2022-08-10 Giulio Lucchetta , Markus Ackermann , David Berge , Ingo Bloch , Rolf Bühler , Hermann Kolanoski , Wolfgang Lange , Francesco Zappon

The development of CdZnTe detectors with an orthogpnal coplanar anode structure has important implications for future astrophysical instrumentation. As electron-only devices, like pixel detectors, coplanar anode strip detectors can be…

Astrophysics · Physics 2009-11-06 M. L. McConnell , L. A. Hamel , J. R. Macri , M. McClish , J. R. Ryan
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