A Flexible Magnetic Field Sensor Based on AgNWs & MNs-PDMS

This paper presents a new flexible magnetic field sensor based on Ag nanowires and magnetic nanoparticles doped in polydimethylsiloxane (AgNWs & MNs-PDMS) with sandwich structure. The MNs act as the sensitive unit for magnetic field sensing in this work. Besides, the conductive networks are made...

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Detalles Bibliográficos
Autores principales: Zhang, Qiang, Du, Yi, Sun, Youyi, Zhuo, Kai, Ji, Jianlong, Yuan, Zhongyun, Zhang, Wendong, Sang, Shengbo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2019
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6336596/
https://www.ncbi.nlm.nih.gov/pubmed/30656536
http://dx.doi.org/10.1186/s11671-018-2826-5
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author Zhang, Qiang
Du, Yi
Sun, Youyi
Zhuo, Kai
Ji, Jianlong
Yuan, Zhongyun
Zhang, Wendong
Sang, Shengbo
author_facet Zhang, Qiang
Du, Yi
Sun, Youyi
Zhuo, Kai
Ji, Jianlong
Yuan, Zhongyun
Zhang, Wendong
Sang, Shengbo
author_sort Zhang, Qiang
collection PubMed
description This paper presents a new flexible magnetic field sensor based on Ag nanowires and magnetic nanoparticles doped in polydimethylsiloxane (AgNWs & MNs-PDMS) with sandwich structure. The MNs act as the sensitive unit for magnetic field sensing in this work. Besides, the conductive networks are made by AgNWs during deformation. Magnetostriction leads to the resistance change of the AgNWs & MNs-PDMS sensors. Furthermore, the MNs increase the conductive paths for electrons, leading to lower initial resistance and higher sensitivity of the resulting sensor during deformation. A point worth emphasizing is that the interaction of the AgNWs and MNs plays irreplaceable role in magnetic field sensing, so the resistance change during stretching and shrinking was investigated. The flexible magnetic field sensor based on the mass ratio of MNs and AgNWs is 1:5 showed the highest sensitivity of 24.14 Ω/T in magnetic field sensing experiment. Finally, the magnetostrictive and piezoresistive sensing model were established to explore the mechanism of the sensor.
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spelling pubmed-63365962019-02-01 A Flexible Magnetic Field Sensor Based on AgNWs & MNs-PDMS Zhang, Qiang Du, Yi Sun, Youyi Zhuo, Kai Ji, Jianlong Yuan, Zhongyun Zhang, Wendong Sang, Shengbo Nanoscale Res Lett Nano Express This paper presents a new flexible magnetic field sensor based on Ag nanowires and magnetic nanoparticles doped in polydimethylsiloxane (AgNWs & MNs-PDMS) with sandwich structure. The MNs act as the sensitive unit for magnetic field sensing in this work. Besides, the conductive networks are made by AgNWs during deformation. Magnetostriction leads to the resistance change of the AgNWs & MNs-PDMS sensors. Furthermore, the MNs increase the conductive paths for electrons, leading to lower initial resistance and higher sensitivity of the resulting sensor during deformation. A point worth emphasizing is that the interaction of the AgNWs and MNs plays irreplaceable role in magnetic field sensing, so the resistance change during stretching and shrinking was investigated. The flexible magnetic field sensor based on the mass ratio of MNs and AgNWs is 1:5 showed the highest sensitivity of 24.14 Ω/T in magnetic field sensing experiment. Finally, the magnetostrictive and piezoresistive sensing model were established to explore the mechanism of the sensor. Springer US 2019-01-17 /pmc/articles/PMC6336596/ /pubmed/30656536 http://dx.doi.org/10.1186/s11671-018-2826-5 Text en © The Author(s). 2019 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Nano Express
Zhang, Qiang
Du, Yi
Sun, Youyi
Zhuo, Kai
Ji, Jianlong
Yuan, Zhongyun
Zhang, Wendong
Sang, Shengbo
A Flexible Magnetic Field Sensor Based on AgNWs & MNs-PDMS
title A Flexible Magnetic Field Sensor Based on AgNWs & MNs-PDMS
title_full A Flexible Magnetic Field Sensor Based on AgNWs & MNs-PDMS
title_fullStr A Flexible Magnetic Field Sensor Based on AgNWs & MNs-PDMS
title_full_unstemmed A Flexible Magnetic Field Sensor Based on AgNWs & MNs-PDMS
title_short A Flexible Magnetic Field Sensor Based on AgNWs & MNs-PDMS
title_sort flexible magnetic field sensor based on agnws & mns-pdms
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6336596/
https://www.ncbi.nlm.nih.gov/pubmed/30656536
http://dx.doi.org/10.1186/s11671-018-2826-5
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