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Figure 1

From: Giant and highly anisotropic magnetocaloric effects in single crystals of disordered-perovskite RCr0.5Fe0.5O3 (R = Gd, Er)

Figure 1

Crystallographic structures of GCFO and ECFO single crystals. (a, b) Observed (open circles) and calculated (solid line) powder X-ray diffraction patterns for the ground GdCr0.5Fe0.5O3 (GCFO) and ErCr0.5Fe0.5O3 (ECFO) single crystals. The short green lines denote the Bragg positions, and the blue curve indicates the difference between the observed and calculated patterns. (c) View of the crystallographic structure of GCFO from the c-axis and a-axis. The light blue, purple, and yellow spheres represent the Gd3+, Cr3+/Fe3+, and O2− ions, respectively. The black box with the rectangular cross-sections depict a crystallographic unit cell. (d) View of the crystallographic structure of ECFO from the c-axis and a-axis. The green, purple, and yellow spheres represent the Er3+, Cr3+/Fe3+, and O2- ions, respectively.

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