Fig. 6: Pressure-driven jumps in magnetization and the thermodynamic feature in KCPC magnet. | Nature Communications

Fig. 6: Pressure-driven jumps in magnetization and the thermodynamic feature in KCPC magnet.

From: Pressure-controlled magnetism in 2D molecular layers

Fig. 6: Pressure-driven jumps in magnetization and the thermodynamic feature in KCPC magnet.The alternative text for this image may have been generated using AI.

a The sharp jump at 375 K in M-H develops with increasing pressure from 0.147 GPa to 0.752 GPa. b M-H loops of KCPC magnet measured at 0.664 GPa indicate the temperature-dependent behavior of sharp jumps from 5 K to 375 K. c Wide-angle X-ray scattering patterns of KCPC magnet show the sharper and stronger peaks after pressure. The inset indicates the peak is shifting to a higher vector due to pressure effect. d Raman spectra of KCPC magnet before and after pressure. e The schematic presents the first-principles simulations by compressing in only c-axis (mode A) or a,b axes (mode B). f The compression ratio dependent magnetic moments of Cr, pyrazine, and Cr-pyz layer in two simulation modes A and B. g The bond length of Cr-N develops with compression ratio.

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