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Understanding the Role of Soft X-ray in Charging Solid-Film and Cellular Electrets
Solid-film electrets and cellular electrets are defined as promising insulating dielectric materials containing permanent electrostatic and polarizations. High-performance charging methods are critical for electret transducers. Unlike dielectric barrier discharge (DBD) charging, the soft X-ray charg...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9736609/ https://www.ncbi.nlm.nih.gov/pubmed/36500763 http://dx.doi.org/10.3390/nano12234143 |
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author | Feng, Yue Rao, Zehong Song, Ki-Young Tang, Xusong Zhou, Zilong Xiong, Ying |
author_facet | Feng, Yue Rao, Zehong Song, Ki-Young Tang, Xusong Zhou, Zilong Xiong, Ying |
author_sort | Feng, Yue |
collection | PubMed |
description | Solid-film electrets and cellular electrets are defined as promising insulating dielectric materials containing permanent electrostatic and polarizations. High-performance charging methods are critical for electret transducers. Unlike dielectric barrier discharge (DBD) charging, the soft X-ray charging method, with its strong penetration ability, has been widely used in electrets after packaging and has even been embedded in high-aspect-ratio structures (HARSs). However, the related charging model and the charging effect of the soft X-ray irradiation remain unclear. In this study, the charge carrier migration theory and the one-dimensional electrostatic model were employed to build the soft X-ray charging models. The influence of soft X-ray irradiation under deferent poling voltages was investigated theoretically and experimentally. The conducted space charge measurement based on a pulsed electro-acoustic (PEA) system with a soft X-ray generator revealed that soft X-ray charging can offer higher surface charge densities and piezoelectricity to cellular electrets under the critical poling voltage lower than twice the breakdown voltage. |
format | Online Article Text |
id | pubmed-9736609 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-97366092022-12-11 Understanding the Role of Soft X-ray in Charging Solid-Film and Cellular Electrets Feng, Yue Rao, Zehong Song, Ki-Young Tang, Xusong Zhou, Zilong Xiong, Ying Nanomaterials (Basel) Article Solid-film electrets and cellular electrets are defined as promising insulating dielectric materials containing permanent electrostatic and polarizations. High-performance charging methods are critical for electret transducers. Unlike dielectric barrier discharge (DBD) charging, the soft X-ray charging method, with its strong penetration ability, has been widely used in electrets after packaging and has even been embedded in high-aspect-ratio structures (HARSs). However, the related charging model and the charging effect of the soft X-ray irradiation remain unclear. In this study, the charge carrier migration theory and the one-dimensional electrostatic model were employed to build the soft X-ray charging models. The influence of soft X-ray irradiation under deferent poling voltages was investigated theoretically and experimentally. The conducted space charge measurement based on a pulsed electro-acoustic (PEA) system with a soft X-ray generator revealed that soft X-ray charging can offer higher surface charge densities and piezoelectricity to cellular electrets under the critical poling voltage lower than twice the breakdown voltage. MDPI 2022-11-23 /pmc/articles/PMC9736609/ /pubmed/36500763 http://dx.doi.org/10.3390/nano12234143 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Feng, Yue Rao, Zehong Song, Ki-Young Tang, Xusong Zhou, Zilong Xiong, Ying Understanding the Role of Soft X-ray in Charging Solid-Film and Cellular Electrets |
title | Understanding the Role of Soft X-ray in Charging Solid-Film and Cellular Electrets |
title_full | Understanding the Role of Soft X-ray in Charging Solid-Film and Cellular Electrets |
title_fullStr | Understanding the Role of Soft X-ray in Charging Solid-Film and Cellular Electrets |
title_full_unstemmed | Understanding the Role of Soft X-ray in Charging Solid-Film and Cellular Electrets |
title_short | Understanding the Role of Soft X-ray in Charging Solid-Film and Cellular Electrets |
title_sort | understanding the role of soft x-ray in charging solid-film and cellular electrets |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9736609/ https://www.ncbi.nlm.nih.gov/pubmed/36500763 http://dx.doi.org/10.3390/nano12234143 |
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