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BaF₂:Y and ZnO:Ga crystal scintillators for GHz hard X-ray imaging

Hu, Chen and Zhang, Liyuan and Zhu, Ren-Yuan and Chen, Aiping and Wang, Zhehui and Ying, Lei and Yu, Zongfu (2020) BaF₂:Y and ZnO:Ga crystal scintillators for GHz hard X-ray imaging. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 950 . Art. No. 162767. ISSN 0168-9002. https://resolver.caltech.edu/CaltechAUTHORS:20190923-095802758

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Abstract

Gigahertz (GHz) hard X-ray imaging for the proposed MaRIE project presents an unprecedented challenge for the front imager in both speed and radiation hardness. We proposed two ultrafast inorganic-scintillator-based front imager concepts: a total absorption one and a multilayer one, and investigated optical and scintillation properties for a set of inorganic scintillators at the Caltech HEP crystal laboratory. The results show that yttrium doped barium fluoride crystals and gallium doped ZnO nano-particle-based films are promising for these two concepts, respectively. In this paper, we report their optical and scintillation property as well recent progresses on slow component suppressing in barium fluoride crystals by yttrium doping, and its radiation hardness.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/j.nima.2019.162767DOIArticle
ORCID:
AuthorORCID
Hu, Chen0000-0002-3285-4831
Zhu, Ren-Yuan0000-0003-3091-7461
Wang, Zhehui0000-0001-7826-4063
Additional Information:© 2019 Published by Elsevier B.V. Received 15 November 2018, Revised 11 June 2019, Accepted 14 September 2019, Available online 21 September 2019.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-SC0011925
Subject Keywords:Ultrafast crystal; Ultrafast photodetector; Hard X-ray imaging; Microchannel plate photomultiplier; Rise time; Decay time; FWHM pulse width
Record Number:CaltechAUTHORS:20190923-095802758
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190923-095802758
Official Citation:Chen Hu, Liyuan Zhang, Ren-Yuan Zhu, Aiping Chen, Zhehui Wang, Lei Ying, Zongfu Yu, BaF2:Y and ZnO:Ga crystal scintillators for GHz hard X-ray imaging, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 950, 2020, 162767, ISSN 0168-9002, https://doi.org/10.1016/j.nima.2019.162767. (http://www.sciencedirect.com/science/article/pii/S0168900219312197)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98791
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:23 Sep 2019 17:03
Last Modified:22 Oct 2019 22:03

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