An investigation of secondary electron emission from ZnO based nanomaterials for future applications in radiation detectors

This paper discusses the use of nanomaterials for the improved performance of time-of-flight particle detectors based on secondary electron emission (SEE). The purpose of the research presented in this paper is to find a nanomaterial that has a higher SEE than gold. In this article, we present a mea...

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Bibliographic Details
Published in:	Scientific reports Vol. 11; no. 1; pp. 737 - 8
Main Authors:	Boutachkov, P., Voss, K. O., Lee, K., Song, M. S., Yi, C., Cappellazzo, M., Kondziołka, W., Liskowicz, A., Cholewa, M.
Format:	Journal Article
Language:	English
Published:	London Nature Publishing Group UK 12-01-2021 Nature Publishing Group Nature Portfolio
Subjects:	639/766 639/925 Emissions Gold Humanities and Social Sciences multidisciplinary Nanomaterials Nanotechnology Nanotubes Science Science (multidisciplinary) Silicon nitride
Online Access:	Get full text
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Summary:	This paper discusses the use of nanomaterials for the improved performance of time-of-flight particle detectors based on secondary electron emission (SEE). The purpose of the research presented in this paper is to find a nanomaterial that has a higher SEE than gold. In this article, we present a measurement of the SEE properties from 1D (one-dimensional) nanostructures of ZnO and ZnO/GaN (ZnO with GaN coating) composed of a mostly regular pattern of nanotubes grown on a thin Si 3 N 4 substrate. The study was performed with 4.77 meV/u Au beam. We observed an average increase of 2.5 in the SEE properties from the 1D ZnO nanotubes compared to gold.
ISSN:	2045-2322 2045-2322
DOI:	10.1038/s41598-020-80788-y