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- Journal of Inorganic Materials
- Vol. 37, Issue 4, 376 (2022)

1. Schematic of polarization switching, temperature change and entropy change during cooling cycle of electrocaloric effect
![Feasible combination of positive and negative electrocaloric effect[10]](/richHtml/jim/2022/37/4/376/img_2.png)
2. Feasible combination of positive and negative electrocaloric effect[10]

3. Direct measurements of electrocaloric effect
![Electric domain and representative hysteresis loop of antiferroelectrics, schematic of a possible mechanism of negative electrocaloric effect in antiferroelectrics[27]](/Images/icon/loading.gif)
4. Electric domain and representative hysteresis loop of antiferroelectrics, schematic of a possible mechanism of negative electrocaloric effect in antiferroelectrics[27]

5. Negative electrocaloric effect in PbZrO3-based antiferroelectric thin films
![Interface-defect-enhanced negative electrocaloric effect in PbZrO3 thin films[29]](/Images/icon/loading.gif)
6. Interface-defect-enhanced negative electrocaloric effect in PbZrO3 thin films[29]

7. Negative electrocaloric effects of PbZrO3, (Pb0.97,La0.02)(Zr0.95,Ti0.05)O3 and B-site nonstoichiometric (Pb0.97,La0.02)(Zr0.95,Ti0.05)1+y O3 (y =-0.03, -0.01, 0.01, 0.03) ceramics under different electric fields
![Hysteresis loops of PNZST13/2/2 and PNZST43/8/2 under different temperatures, P-T curves, temperature change ΔT and entropy change ΔS of PNZST13/2/2 and PNZST43/8/2[37]](/Images/icon/loading.gif)
8. Hysteresis loops of PNZST13/2/2 and PNZST43/8/2 under different temperatures, P-T curves, temperature change ΔT and entropy change ΔS of PNZST13/2/2 and PNZST43/8/2[37]

9. Electrocaloric effect of (Pb0.97La0.02)(Zr0.66Sn0.23Ti0.11)O3 single crystal, (Pb0.97La0.02)(Zr0.66Sn0.27Ti0.07)O3 single crystal, (Pb0.97La0.02)(Zr0.80Sn0.14Ti0.06)O3 ceramics, and (Pb0.97La0.02)(Zrx Sn0.94-x Ti0.06)O3 ceramics

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