Synthesis and Characterization of Ferroelectrics - Rilegato

 
9783039436552: Synthesis and Characterization of Ferroelectrics
Rilegato
ISBN 10: 3039436554 ISBN 13: 9783039436552
Casa editrice: MDPI AG, 2021

Sinossi

The Special Issue on "Synthesis and Characterization of Ferroelectrics" reports on several physical properties of ferroelectric materials and their technological aspects. Different substitution mechanisms provide ideas toward future improvement of lead-free (Ba,Ca)(Zr,Ti)O3 piezoelectric ceramics, including the electrocaloric effect, fluorescence, and energy storage. It is established that axial and radial element segregation differently influences electrical properties of 0.68Pb(Mg1/3Nb2/3)0.32PbTiO3 (PMN-32PT for short) single crystals. While the electrical properties along the axial direction strongly depend on the PbTiO3 content, the electrical properties along the axial direction are mainly determined by the ratio of Nb and Mg. On the other hand, Fe-substitution of PMN-32PT crystals lead to an enhancement of the coercive field due to wall pinning induced by charged defect dipoles. It is also found, that capacitors based on Pt/Na0.5Bi0.5TiO3/La0.5Sr0.5CoO3 thin films display good fatigue resistance and retention. Another lead-free thin film capacitor fabricated from Ba0.3Sr0.7Zr0.18Ti0.82 features a low leakage current density and high breakdown strength. Such capacitors are essential for energy storage. Furthermore, an enhanced electrocaloric effect on 0.73Pb(Mg1/3Nb2/3)0.27PbTiO3 single crystals is demonstrated. This effect is promising for novel solid-state cooling systems.

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Editore
MDPI AG
Data di pubblicazione
2021
Lingua
Inglese
ISBN 10 
3039436554
ISBN 13 
9783039436552
Rilegatura
Copertina rigida
Numero di pagine
74
Redattore
Dec Jan
Contatto del produttore
non disponibile
Persona responsabile
Buchpark GmbH
gpsr@buchpark.de

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