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Notice of retraction
Vol. 34, No. 8(3), S&M3042

Notice of retraction
Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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Sensors and Materials, Volume 29, Number 8 (2017)
Copyright(C) MYU K.K.
pp. 1213-1222
S&M1413 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2017.1574
Published: August 16, 2017

Space Charge Distribution in Polymethyl Methacrylate and Quartz Glass Irradiated by Protons [PDF]

Hiroaki Miyake and Yasuhiro Tanaka

(Received January 13, 2017; Accepted May 2, 2017)

Keywords: spacecraft, space environment, proton, space charge, PEA

Many satellites are used in several kinds of orbits for telecommunications, environmental observation, resource exploration, the global positioning system, and social security. These satellites are always exposed to radiations, such as electrons and protons. Charged particles accumulate in the bulk of the surface materials of spacecraft and lead to electrostatic discharge (ESD) phenomena. ESD is the origin of satellite anomalies; hence, we should investigate charge accumulation phenomena in the bulk of satellites surface materials. In this study, we focused on the charge accumulation phenomena in polymethyl methacrylate (PMMA) and highly purified quartz glass using the pulsed electroacoustic (PEA) method. From our study, we could confirm the positive charge accumulation in the materials irradiated by protons except for the case of a quartz glass with an Al evaporated layer on the irradiated side. From the results, we considered the reasons that the positive charge accumulated in PMMA and quartz glass while no charge accumulated in the quartz glass with the Al evaporated layer.

Corresponding author: Hiroaki Miyake


Cite this article
Hiroaki Miyake and Yasuhiro Tanaka, Space Charge Distribution in Polymethyl Methacrylate and Quartz Glass Irradiated by Protons, Sens. Mater., Vol. 29, No. 8, 2017, p. 1213-1222.



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