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Scintillation of Un-doped ZnO Single Crystals

Published online by Cambridge University Press:  07 January 2016

A. M. Colosimo
Affiliation:
Department of Physics and Astronomy, Bowling Green State University, Bowling Green, Ohio 43403, USA
Jianfeng Ji
Affiliation:
Department of Physics and Astronomy, Bowling Green State University, Bowling Green, Ohio 43403, USA
P. S. Stepanov
Affiliation:
Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43403, USA
L. A. Boatner
Affiliation:
Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
F. A. Selim*
Affiliation:
Department of Physics and Astronomy, Bowling Green State University, Bowling Green, Ohio 43403, USA Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43403, USA
*
*Corresponding author: [email protected]
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Abstract

Scintillation properties are often studied by photo-luminescence (PL) andscintillation measurements. In this work, we combine X-ray-induced luminescence(XRIL) spectroscopy [Review of Scientific Instruments 83, 103112 (2012)] with PLand standard scintillation measurements to give insight into the scintillationproperties of un-doped ZnO single crystals. XRIL revealed that ZnO luminescenceproportionally increases with X-ray power and exhibits excellent linearity -indicating the possibility of developing radiation detectors with good energyresolution. By coupling ZnO crystals to fast photomultiplier tubes andmonitoring the anode signal, rise times as fast as 0.9 ns were measured.

Type
Articles
Copyright
Copyright © Materials Research Society 2016 

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