Fig. 4
From: Giant barocaloric effects over a wide temperature range in superionic conductor AgI

Comparison of BC effects. For AgI and other BC materials11,12,13,14,15,16, 20,21,22,23, we show for pressure changes |Δp| of magnitude ~p both a, b peak values of the temperature-dependent isothermal entropy change |ΔSpeak|, and c, d the corresponding refrigerant capacity RC = |ΔSpeak| × [FWHM of ΔS(T)], as normalized by a, c mass and b, d volume. Solid lines represent fits. e The largest values |ΔSpeakrev| from a, b that may be achieved reversibly (solid columns represent mass normalization on left axis, shaded columns represent volume normalization on right axis). For clarity, (NH)4SnF6 alone represents the fluoride compounds20. The colour code for BC materials is common to all panels