Phenomenological analysis of elastocaloric effect in ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymers
In this work, based on thermodynamic theory, we theoretically derived the elastocaloric coefficient at the zero electric field, including the first kind of elastocaloric coefficient at constant polarization and the second kind of elastocaloric coefficient arising from the piezoelectric effect. In ad...
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description | In this work, based on thermodynamic theory, we theoretically derived the elastocaloric coefficient at the zero electric field, including the first kind of elastocaloric coefficient at constant polarization and the second kind of elastocaloric coefficient arising from the piezoelectric effect. In addition, using the Landau-Ginzburg-Devonshire approach, we predicted a giant elastocaloric effect in poly(vinylidene fluoride-trifluoroethylene) [P(VEF-TrFE)] copolymer films with a large elastocaloric strength, which is one or two orders of magnitude larger than typical elastocaloric materials reported in the literature. The adiabatic elastocaloric temperature change is found to be huge [∼32.2 K for P(VEF-TrFE) 65/35 and 65 K for P(VEF-TrFE) 70/30] under a uniaxial compressive stress (−100 MPa) due to negative piezoelectricity. Moreover, even a low tensile stress (∼15 MPa) can induce a modest elastocaloric effect (∼−1.3 K), which is in good agreement with the previous literature [Patel et al., Appl. Phys. Lett. 108, 072903 (2016)]. Our study not only stimulates further investigations on elastocaloric effects in ferroelectric polymers but also offers opportunities for elastocaloric solid-state refrigeration. |
doi_str_mv | 10.1063/1.5124901 |
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In addition, using the Landau-Ginzburg-Devonshire approach, we predicted a giant elastocaloric effect in poly(vinylidene fluoride-trifluoroethylene) [P(VEF-TrFE)] copolymer films with a large elastocaloric strength, which is one or two orders of magnitude larger than typical elastocaloric materials reported in the literature. The adiabatic elastocaloric temperature change is found to be huge [∼32.2 K for P(VEF-TrFE) 65/35 and 65 K for P(VEF-TrFE) 70/30] under a uniaxial compressive stress (−100 MPa) due to negative piezoelectricity. Moreover, even a low tensile stress (∼15 MPa) can induce a modest elastocaloric effect (∼−1.3 K), which is in good agreement with the previous literature [Patel et al., Appl. Phys. Lett. 108, 072903 (2016)]. Our study not only stimulates further investigations on elastocaloric effects in ferroelectric polymers but also offers opportunities for elastocaloric solid-state refrigeration.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.5124901</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Coefficients ; Compressive properties ; Copolymers ; Electric fields ; Ferroelectric materials ; Ferroelectricity ; Fluorides ; Piezoelectricity ; Refrigeration ; Tensile stress ; Vinylidene ; Vinylidene fluoride</subject><ispartof>Journal of applied physics, 2019-10, Vol.126 (16)</ispartof><rights>Author(s)</rights><rights>2019 Author(s). Published under license by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c292t-b55a4be28a6b43202b063364f643a9b51212cc8845ad66f5eae1599dcad230ea3</citedby><cites>FETCH-LOGICAL-c292t-b55a4be28a6b43202b063364f643a9b51212cc8845ad66f5eae1599dcad230ea3</cites><orcidid>0000-0001-9471-5282</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jap/article-lookup/doi/10.1063/1.5124901$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,776,780,790,4497,27903,27904,76131</link.rule.ids></links><search><creatorcontrib>Bai, Gang</creatorcontrib><creatorcontrib>Liu, Duansheng</creatorcontrib><creatorcontrib>Gao, Cunfa</creatorcontrib><title>Phenomenological analysis of elastocaloric effect in ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymers</title><title>Journal of applied physics</title><description>In this work, based on thermodynamic theory, we theoretically derived the elastocaloric coefficient at the zero electric field, including the first kind of elastocaloric coefficient at constant polarization and the second kind of elastocaloric coefficient arising from the piezoelectric effect. In addition, using the Landau-Ginzburg-Devonshire approach, we predicted a giant elastocaloric effect in poly(vinylidene fluoride-trifluoroethylene) [P(VEF-TrFE)] copolymer films with a large elastocaloric strength, which is one or two orders of magnitude larger than typical elastocaloric materials reported in the literature. The adiabatic elastocaloric temperature change is found to be huge [∼32.2 K for P(VEF-TrFE) 65/35 and 65 K for P(VEF-TrFE) 70/30] under a uniaxial compressive stress (−100 MPa) due to negative piezoelectricity. Moreover, even a low tensile stress (∼15 MPa) can induce a modest elastocaloric effect (∼−1.3 K), which is in good agreement with the previous literature [Patel et al., Appl. Phys. Lett. 108, 072903 (2016)]. Our study not only stimulates further investigations on elastocaloric effects in ferroelectric polymers but also offers opportunities for elastocaloric solid-state refrigeration.</description><subject>Applied physics</subject><subject>Coefficients</subject><subject>Compressive properties</subject><subject>Copolymers</subject><subject>Electric fields</subject><subject>Ferroelectric materials</subject><subject>Ferroelectricity</subject><subject>Fluorides</subject><subject>Piezoelectricity</subject><subject>Refrigeration</subject><subject>Tensile stress</subject><subject>Vinylidene</subject><subject>Vinylidene fluoride</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKsH_0HAixW25mOz3Ryl-AUFPeg5ZLMTm5JuarIr7L83tT17GGbmfR8G3kHompI5JRW_p3NBWSkJPUETSmpZLIQgp2hCCKNFLRfyHF2ktCGE0prLCRrf19CFbS4fvpzRHutO-zG5hIPF4HXqQ1ZDdAaDtWB67DpsIcYAPm97fRf8ePvjutG7FjrA1g-Zb6HI7t8coF-PPlszbMKe3kJMl-jMap_g6tin6PPp8WP5Uqzenl-XD6vCMMn6ohFClw2wWldNyRlhTY7Jq9JWJdeyyWkpM6auS6HbqrICNFAhZWt0yzgBzafo5nB3F8P3AKlXmzDEHDIpxikp5UIQlqnZgTIxpBTBql10Wx1HRYnaf1ZRdfxsZu8ObDKu170L3T_wLzUae2o</recordid><startdate>20191028</startdate><enddate>20191028</enddate><creator>Bai, Gang</creator><creator>Liu, Duansheng</creator><creator>Gao, Cunfa</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-9471-5282</orcidid></search><sort><creationdate>20191028</creationdate><title>Phenomenological analysis of elastocaloric effect in ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymers</title><author>Bai, Gang ; Liu, Duansheng ; Gao, Cunfa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c292t-b55a4be28a6b43202b063364f643a9b51212cc8845ad66f5eae1599dcad230ea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Applied physics</topic><topic>Coefficients</topic><topic>Compressive properties</topic><topic>Copolymers</topic><topic>Electric fields</topic><topic>Ferroelectric materials</topic><topic>Ferroelectricity</topic><topic>Fluorides</topic><topic>Piezoelectricity</topic><topic>Refrigeration</topic><topic>Tensile stress</topic><topic>Vinylidene</topic><topic>Vinylidene fluoride</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bai, Gang</creatorcontrib><creatorcontrib>Liu, Duansheng</creatorcontrib><creatorcontrib>Gao, Cunfa</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bai, Gang</au><au>Liu, Duansheng</au><au>Gao, Cunfa</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phenomenological analysis of elastocaloric effect in ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymers</atitle><jtitle>Journal of applied physics</jtitle><date>2019-10-28</date><risdate>2019</risdate><volume>126</volume><issue>16</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>In this work, based on thermodynamic theory, we theoretically derived the elastocaloric coefficient at the zero electric field, including the first kind of elastocaloric coefficient at constant polarization and the second kind of elastocaloric coefficient arising from the piezoelectric effect. In addition, using the Landau-Ginzburg-Devonshire approach, we predicted a giant elastocaloric effect in poly(vinylidene fluoride-trifluoroethylene) [P(VEF-TrFE)] copolymer films with a large elastocaloric strength, which is one or two orders of magnitude larger than typical elastocaloric materials reported in the literature. The adiabatic elastocaloric temperature change is found to be huge [∼32.2 K for P(VEF-TrFE) 65/35 and 65 K for P(VEF-TrFE) 70/30] under a uniaxial compressive stress (−100 MPa) due to negative piezoelectricity. Moreover, even a low tensile stress (∼15 MPa) can induce a modest elastocaloric effect (∼−1.3 K), which is in good agreement with the previous literature [Patel et al., Appl. Phys. Lett. 108, 072903 (2016)]. Our study not only stimulates further investigations on elastocaloric effects in ferroelectric polymers but also offers opportunities for elastocaloric solid-state refrigeration.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5124901</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-9471-5282</orcidid></addata></record> |
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subjects | Applied physics Coefficients Compressive properties Copolymers Electric fields Ferroelectric materials Ferroelectricity Fluorides Piezoelectricity Refrigeration Tensile stress Vinylidene Vinylidene fluoride |
title | Phenomenological analysis of elastocaloric effect in ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymers |
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