Fig. 1
From: A sodium-ion sulfide solid electrolyte with unprecedented conductivity at room temperature
Structural data for Na3−xSb1−xWxS4 (x = 0 and 0.12) electrolytes prepared by heat treatment (H.T.) at 275 °C for 1.5–12 h. a X-ray diffraction patterns, b Raman spectra, and c cross-sectional SEM images (scale bar: 1 μm) of the prepared Na3−xSb1−xWxS4
