Effect of Moisture Absorption on Piezoresistance of Conducting Polymer Composite Thin Films
This paper is devoted to the study of the piezoresistance of conducting composite thin films consisting of epoxy resin and needle-like conductive fillers. The surface resistivity of the thin films at room temperature depended on filler volume fraction and relative humidity (rh). The effect of moistu...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 1998-10, Vol.37 (10A), p.L1158 |
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| container_title | Japanese Journal of Applied Physics |
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| creator | Hirano, Shingo Kishimoto, Akira Miyayama, Masaru |
| description | This paper is devoted to the study of the piezoresistance of conducting composite thin films
consisting of epoxy resin and needle-like conductive fillers. The surface resistivity of the
thin films at room temperature depended on filler volume fraction and relative humidity (rh).
The effect of moisture absorption on the piezoresistance of the composite thin films was
studied under various rh values. At high rh values, strain dependence of resistance
was positive, and this positive coefficient decreased with decreasing rh value. At 30%rh, it
became negative and its absolute value increased with decreasing rh. These results suggest
that the piezoresistance effect of the conducting thin films is enhanced by moisture
absorption by the epoxy matrix that is relatively hydrophilic. From these observations,
the piezoresistance effect is considered to be based on the following two strains: one is
derived from a mechanical stress and the other is due to environmental stress induced by
moisture absorption. |
| doi_str_mv | 10.1143/JJAP.37.L1158 |
| format | Article |
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consisting of epoxy resin and needle-like conductive fillers. The surface resistivity of the
thin films at room temperature depended on filler volume fraction and relative humidity (rh).
The effect of moisture absorption on the piezoresistance of the composite thin films was
studied under various rh values. At high rh values, strain dependence of resistance
was positive, and this positive coefficient decreased with decreasing rh value. At 30%rh, it
became negative and its absolute value increased with decreasing rh. These results suggest
that the piezoresistance effect of the conducting thin films is enhanced by moisture
absorption by the epoxy matrix that is relatively hydrophilic. From these observations,
the piezoresistance effect is considered to be based on the following two strains: one is
derived from a mechanical stress and the other is due to environmental stress induced by
moisture absorption.</description><identifier>ISSN: 0021-4922</identifier><identifier>EISSN: 1347-4065</identifier><identifier>DOI: 10.1143/JJAP.37.L1158</identifier><language>eng</language><ispartof>Japanese Journal of Applied Physics, 1998-10, Vol.37 (10A), p.L1158</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c383t-c835e2501899c30417098e9c43fef26f5cf767608a79a58b2bffe9e6a18625013</citedby><cites>FETCH-LOGICAL-c383t-c835e2501899c30417098e9c43fef26f5cf767608a79a58b2bffe9e6a18625013</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Hirano, Shingo</creatorcontrib><creatorcontrib>Kishimoto, Akira</creatorcontrib><creatorcontrib>Miyayama, Masaru</creatorcontrib><title>Effect of Moisture Absorption on Piezoresistance of Conducting Polymer Composite Thin Films</title><title>Japanese Journal of Applied Physics</title><description>This paper is devoted to the study of the piezoresistance of conducting composite thin films
consisting of epoxy resin and needle-like conductive fillers. The surface resistivity of the
thin films at room temperature depended on filler volume fraction and relative humidity (rh).
The effect of moisture absorption on the piezoresistance of the composite thin films was
studied under various rh values. At high rh values, strain dependence of resistance
was positive, and this positive coefficient decreased with decreasing rh value. At 30%rh, it
became negative and its absolute value increased with decreasing rh. These results suggest
that the piezoresistance effect of the conducting thin films is enhanced by moisture
absorption by the epoxy matrix that is relatively hydrophilic. From these observations,
the piezoresistance effect is considered to be based on the following two strains: one is
derived from a mechanical stress and the other is due to environmental stress induced by
moisture absorption.</description><issn>0021-4922</issn><issn>1347-4065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNotkM1OwzAQhC0EEqVw5O4XSLDj_2MUtdCqiBzKiUOUmjUYNXFkp4fy9CSAtNJoZ3ZXqw-he0pySjl72G7LOmcq31Eq9AVaUMZVxokUl2hBSEEzboriGt2k9DW1UnC6QG8r58COODj8HHwaTxFweUghDqMPPZ6q9vAdIqQpbHsL82QV-veTHX3_getwPHcQJ6sbQvIj4P2n7_HaH7t0i65ce0xw969L9Lpe7aunbPfyuKnKXWaZZmNmNRNQCEK1MZYRThUxGozlzIErpBPWKakk0a0yrdCH4jC9bEC2VMt5jS1R9nfXxpBSBNcM0XdtPDeUNDOZZibTMNX8kmE_muRXGQ</recordid><startdate>19981001</startdate><enddate>19981001</enddate><creator>Hirano, Shingo</creator><creator>Kishimoto, Akira</creator><creator>Miyayama, Masaru</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19981001</creationdate><title>Effect of Moisture Absorption on Piezoresistance of Conducting Polymer Composite Thin Films</title><author>Hirano, Shingo ; Kishimoto, Akira ; Miyayama, Masaru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c383t-c835e2501899c30417098e9c43fef26f5cf767608a79a58b2bffe9e6a18625013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hirano, Shingo</creatorcontrib><creatorcontrib>Kishimoto, Akira</creatorcontrib><creatorcontrib>Miyayama, Masaru</creatorcontrib><collection>CrossRef</collection><jtitle>Japanese Journal of Applied Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hirano, Shingo</au><au>Kishimoto, Akira</au><au>Miyayama, Masaru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Moisture Absorption on Piezoresistance of Conducting Polymer Composite Thin Films</atitle><jtitle>Japanese Journal of Applied Physics</jtitle><date>1998-10-01</date><risdate>1998</risdate><volume>37</volume><issue>10A</issue><spage>L1158</spage><pages>L1158-</pages><issn>0021-4922</issn><eissn>1347-4065</eissn><abstract>This paper is devoted to the study of the piezoresistance of conducting composite thin films
consisting of epoxy resin and needle-like conductive fillers. The surface resistivity of the
thin films at room temperature depended on filler volume fraction and relative humidity (rh).
The effect of moisture absorption on the piezoresistance of the composite thin films was
studied under various rh values. At high rh values, strain dependence of resistance
was positive, and this positive coefficient decreased with decreasing rh value. At 30%rh, it
became negative and its absolute value increased with decreasing rh. These results suggest
that the piezoresistance effect of the conducting thin films is enhanced by moisture
absorption by the epoxy matrix that is relatively hydrophilic. From these observations,
the piezoresistance effect is considered to be based on the following two strains: one is
derived from a mechanical stress and the other is due to environmental stress induced by
moisture absorption.</abstract><doi>10.1143/JJAP.37.L1158</doi></addata></record> |
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| ispartof | Japanese Journal of Applied Physics, 1998-10, Vol.37 (10A), p.L1158 |
| issn | 0021-4922 1347-4065 |
| language | eng |
| recordid | cdi_crossref_primary_10_1143_JJAP_37_L1158 |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| title | Effect of Moisture Absorption on Piezoresistance of Conducting Polymer Composite Thin Films |
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