Fig. 3: Changes in lattice structure under different external stimuli.
From: Large barocaloric effect in intermetallic La1.2Ce0.8Fe11Si2H1.86 materials driven by low pressure

a Schematic of the La-Ce-Fe-Si-H crystallographic structure, in situ neutron diffraction device, and collected diffraction spectrum under different fields (from left to right). b Lattice parameters as functions of hydrostatic pressure, magnetic field, and temperature. c Multifield dependence of the Fe-Fe bond length in a unit cell.