2020
DOI: 10.1039/d0ra06116f
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Thermally-stable high energy storage performances and large electrocaloric effect over a broad temperature span in lead-free BCZT ceramic

Abstract: Thermally-stable recovered energy density and significant electrocaloric temperature change over a broad temperature span in BCZT ceramic elaborated by low-temperature hydrothermal processing.

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Cited by 51 publications
(43 citation statements)
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“…This nature can be related to the ferroelectric clusters or residual polar nanoregions (PNR), which can be attributed to relaxor behaviour. 11 Correspondingly, the temperature-dependence of the current density-electric eld (J-E) curves of BCZT ceramic are displayed in Fig. 3b.…”
Section: Ferroelectric Propertiesmentioning
confidence: 92%
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“…This nature can be related to the ferroelectric clusters or residual polar nanoregions (PNR), which can be attributed to relaxor behaviour. 11 Correspondingly, the temperature-dependence of the current density-electric eld (J-E) curves of BCZT ceramic are displayed in Fig. 3b.…”
Section: Ferroelectric Propertiesmentioning
confidence: 92%
“…27 On heating, their intensities steadily decrease, indicating the approach to the ferroelectric-to-paraelectric phase transition. 11,13,17 Above the Curie temperature, in the cubic paraelectric phase, they disappear and only two disorderactivated broad peaks centred at 260 and 514 cm À1 are observed. It is worth noting that the A 1g octahedral breathing mode at $800 cm À1 persisting in the whole range of the temperatures is not related with the structural distortion of the ferroelectric phase but results instead from the local distortions, caused either by the presence of B-sites occupied by cations of different sizes (Zr 4+ /Ti 4+ ) or from donor A-site substitutions.…”
Section: Structural Propertiesmentioning
confidence: 99%
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