Specific heat of a PIN-PMN-PT single-crystal up to 500Kстатья
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Дата последнего поиска статьи во внешних источниках: 19 декабря 2017 г.
Аннотация:The temperature dependence of the specific heat of the single crystal Pb(In0.50.5Nb0.50.5)O3-Pb(Mg1∕3Nb2∕3)O3-PbTiO3 (PIN-PMN-PT) was obtained at 80–500K by means of ac-calorimetry, and comparison with the calorimetric data for PMN was made, allowing one to determine absolute values of the specific heat of PIN-PMN-PT. For the high-temperature region (T>200K), the background heat capacity was calculated, the anomalies of the heat capacity for both compounds were determined, and the hump of the temperature dependence of specific heat PIN-PMN-PT was detected for the first time.