Study of the thermal properties of Ba1−x SrxTiO3 thin films by the ac hot-probe method |
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| Authors: | S. T. Davitadze S. N. Kravchun B. A. Strukov S. A. Taraskin B. M. Gol’tsman V. V. Lemanov S. G. Shul’man |
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| Affiliation: | (1) Moscow State University, Vorob’evy gory, Moscow, 119899, Russia;(2) Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia |
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| Abstract: | The heat capacity and heat conductivity of Ba1?x SrxTiO3 (x=0.2, 0.5, 0.8) polycrystalline films 1.5–2.0 µm thick on a massive substrate have been studied by the ac hot-probe method for three-layer systems (conducting probe-dielectric film-substrate) at temperatures ranging from 100 to 400 K. It is found that the thermal properties exhibit anomalies in the phase transition range. |
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