Fig. 2: Phase structure and strain performance. | Nature Communications

Fig. 2: Phase structure and strain performance.

From: Contribution of irreversible non-180° domain to performance for multiphase coexisted potassium sodium niobate ceramics

Fig. 2

a Rietveld refinement of the ceramics with x = 0.04, x = 0.045, and x = 0.05. b Phase fraction. c Rhombohedral (R) phase polarization direction. d Orthorhombic (O) phase polarization direction. e Tetragonal (T) phase polarization direction. f Temperature-dependent X-ray diffraction of x = 0.045. Evolution of g unipolar strain, h maximum unipolar strain (Suni), i remnant strain (Srem), and j available strain (Suni–Srem).

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