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Enhanced Electrocaloric Effect in 0.73Pb(Mg1/3Nb2/3)O-3-0.27PbTiO(3) Single Crystals via Direct Measurement
Lu, B; Jian, XD; Lin, XW; Yao, YB; Tao, T; Liang, B; Luo, HS; Lu, SG
2020-06-02
Source PublicationCRYSTALS
ISSN2073-4352
Issue6
SubtypeArticle
AbstractElectrocaloric properties of [110] and [111] oriented 0.73Pb(Mg1/3Nb2/3)O-3-0.27PbTiO(3)single crystals were studied in the temperature range of 293-423 K. The Maxwell relations and the Landau-Ginsburg-Devonshire (LGD) phenomenological theory were employed as the indirect method to calculate the electrocaloric properties, while a high-resolution calorimeter was used to measure the adiabatic temperature change of the electrocaloric effect (ECE) directly. The results indicate that the directly measured temperature changes of Delta T> 2.5 K at room temperature were procured when the applied electric field was reversed from 1 MV/m to -1 MV/m, which are larger than those deduced pursuant to the Maxwell relation, and even larger than those calculated using the LGD theory in the temperature range of 293-similar to 380 K.
DOI10.3390/cryst10060451
WOS KeywordSOLID-SOLUTION SYSTEM ; THERMODYNAMIC THEORY ; TEMPERATURE
Language英语
WOS Research AreaCrystallography ; Materials Science
PublisherMDPI
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27992
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Lu, B,Jian, XD,Lin, XW,et al. Enhanced Electrocaloric Effect in 0.73Pb(Mg1/3Nb2/3)O-3-0.27PbTiO(3) Single Crystals via Direct Measurement[J]. CRYSTALS,2020(6).
APA Lu, B.,Jian, XD.,Lin, XW.,Yao, YB.,Tao, T.,...&Lu, SG.(2020).Enhanced Electrocaloric Effect in 0.73Pb(Mg1/3Nb2/3)O-3-0.27PbTiO(3) Single Crystals via Direct Measurement.CRYSTALS(6).
MLA Lu, B,et al."Enhanced Electrocaloric Effect in 0.73Pb(Mg1/3Nb2/3)O-3-0.27PbTiO(3) Single Crystals via Direct Measurement".CRYSTALS .6(2020).
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