Studying Nanoferroics with Piezoresponse Force Microscopy
Piezoresponse Force Microscopy is pivotal in nanoferroics, mapping ferroic domains with high resolution for advanced material design and device fabrication.
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Piezoresponse Force Microscopy is pivotal in nanoferroics, mapping ferroic domains with high resolution for advanced material design and device fabrication.
Antiferroelectrics (AFEs) possess great potential for high performance dielectric capacitors, due to their distinct double hysteresis loop with high maximum polarization and low remnant polarization. However, the well-known NaNbO3 lead-free antiferroelectric (AFE) ceramic usually exhibits square-like P–E loop related to the irreversible AFE P phase to ferroelectric (FE) Q phase transition, yielding low recoverable energy storage density (Wrec). Herein, significantly improved Wrec up to 3.3 J/cm3 with good energy storage efficiency (η) of 42.4% was achieved in Na0.7Ag0.3Nb0.7Ta0.3O3 (30Ag–...