Fig. 4: Mechanisms analysis for enhanced piezoelectric coefficient and thermal stability. | Nature Communications

Fig. 4: Mechanisms analysis for enhanced piezoelectric coefficient and thermal stability.

From: Enhancing piezoelectric coefficient and thermal stability in lead-free piezoceramics: insights at the atomic-scale

Fig. 4: Mechanisms analysis for enhanced piezoelectric coefficient and thermal stability.The alt text for this image may have been generated using AI.

aTemperature-related Pr of 0.945KNN-0.055(Bi0.5, K0.5)1-xBaxZrO3 (x = 0 and x = 0.36). Temperature-related phase constituent of (b) x = 0 and (c) x = 0.36. d, e Atom-scale HADDF STEM observations of the A-sublattice for samples with x = 0 and x = 0.36 along [001] zone axis: Polarization magnitude of (d1) x = 0 system and (d2) x = 0.36 system; (e) Atom-scale HADDF STEM observation for x = 0.36 system along [110] zone axis, exhibiting R-O-T multi-phase coexistence with a large amount of reduced LFDs (yellow cycle). f Schematic diagram of the potential energy curves at room temperature, at O-T peak, and beyond the O-T peak.

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