Fig. 2: Relative energy maps for bilayer MnPS3 under lateral displacement in the parallel (↑↓/↑↓) magnetic configuration.
From: Engineering altermagnetism via layer shifts and spin order in bilayer MnPS3

Left: AA stacking series. Right:\({{\rm{AA}}}^{{\prime} }\) stacking series. Color scale indicates the relative energy (in meV) for each in-plane displacement, referenced to the lowest-energy configuration found within that stacking series (AA or \({{\rm{AA}}}^{{\prime} }\)). The global energy minimum of the AA series is 7.67 meV lower than that of the \({{\rm{AA}}}^{{\prime} }\) series.