Fig. 1: Energy storage performance and structural analysis of ceramics. | Nature Communications

Fig. 1: Energy storage performance and structural analysis of ceramics.

From: Ferroelectric tungsten bronze-based ceramics with high-energy storage performance via weakly coupled relaxor design and grain boundary optimization

Fig. 1

a The unipolar P-E loops of BSN, BSTN, BSTN-0.1Ta, and BSTN-0.4Ta ceramics; (b) Wrec and η values derived from the P-E loops; (c, d) The P-E loops, Wrec and η values of BSTN-0.1Ta ceramics under different electric fields; (e) Comparison of the Wrec and η with TTBs-based dielectric ceramics; (f, f1) XRD patterns of series ceramics at room temperature with enlarged views of the (311) and (002) peaks; (g) Raman spectra of series ceramics at room temperature; (h) XRD refinement of the BSTN-0.1Ta ceramics; (i) TEM image of BSTN-0.1Ta ceramics and SAED patterns take along [110]c from BST portion and [100]c from BSN portion.

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