Direct measurements of the electrocaloric effect in P(VDF-TrFE) (68/32) copolymer ferroelectric films

B. Rožič, B. Neese, S. G. Lu, Qiming Zhang, Z. Kutnjak

    Research output: Contribution to journalConference article

    6 Citations (Scopus)

    Abstract

    The electrocaloric (EC) effect attracted attention due to recent predictions of the existence of a giant EC in polymeric and inorganic ferroelectric materials based on indirect measurements of the electric polarization. The giant EC effect could potentially be of great importance in development of cooling or heating devices of new generation, which would be more environmentally friendly. A method and analysis of direct measurements of the giant EC effect in P(VDF-TrFE) (68/32 mol%) copolymer thin films are presented. It is found that the EC effect is of similar magnitude as found in P(VDF-TrFE) (55/45 mol%) copolymer by indirect method.

    Original languageEnglish (US)
    Pages (from-to)139-143
    Number of pages5
    JournalFerroelectrics
    Volume416
    Issue number1
    DOIs
    StatePublished - Jul 29 2011
    Event10th Russia/CIS/Baltic/Japan Symposium on Ferroelectricity, RCBJSF-10 - Yokohama, Japan
    Duration: Jun 20 2010Jun 24 2010

    Fingerprint

    Ferroelectric films
    copolymers
    Copolymers
    Ferroelectric materials
    Polarization
    Cooling
    Heating
    Thin films
    ferroelectric materials
    cooling
    heating
    polarization
    thin films
    predictions

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

    Cite this

    Rožič, B. ; Neese, B. ; Lu, S. G. ; Zhang, Qiming ; Kutnjak, Z. / Direct measurements of the electrocaloric effect in P(VDF-TrFE) (68/32) copolymer ferroelectric films. In: Ferroelectrics. 2011 ; Vol. 416, No. 1. pp. 139-143.
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    abstract = "The electrocaloric (EC) effect attracted attention due to recent predictions of the existence of a giant EC in polymeric and inorganic ferroelectric materials based on indirect measurements of the electric polarization. The giant EC effect could potentially be of great importance in development of cooling or heating devices of new generation, which would be more environmentally friendly. A method and analysis of direct measurements of the giant EC effect in P(VDF-TrFE) (68/32 mol{\%}) copolymer thin films are presented. It is found that the EC effect is of similar magnitude as found in P(VDF-TrFE) (55/45 mol{\%}) copolymer by indirect method.",
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    Direct measurements of the electrocaloric effect in P(VDF-TrFE) (68/32) copolymer ferroelectric films. / Rožič, B.; Neese, B.; Lu, S. G.; Zhang, Qiming; Kutnjak, Z.

    In: Ferroelectrics, Vol. 416, No. 1, 29.07.2011, p. 139-143.

    Research output: Contribution to journalConference article

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    AU - Rožič, B.

    AU - Neese, B.

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    AU - Zhang, Qiming

    AU - Kutnjak, Z.

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    AB - The electrocaloric (EC) effect attracted attention due to recent predictions of the existence of a giant EC in polymeric and inorganic ferroelectric materials based on indirect measurements of the electric polarization. The giant EC effect could potentially be of great importance in development of cooling or heating devices of new generation, which would be more environmentally friendly. A method and analysis of direct measurements of the giant EC effect in P(VDF-TrFE) (68/32 mol%) copolymer thin films are presented. It is found that the EC effect is of similar magnitude as found in P(VDF-TrFE) (55/45 mol%) copolymer by indirect method.

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