Table 1 Crystallographic data of GCFO and ECFO obtained from X-ray diffraction.

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

 

GdCr0.5Fe0.5O3

ErCr0.5Fe0.5O3

Structure

Orthorhombic

Orthorhombic

Space group

Pbnm

Pbnm

a (Å)

5.3318

5.2411

b (Å)

5.5674

5.5451

c (Å)

7.6379

7.5496

V (Å3)

226.7254

219.4097

Gd /Er(x, y, z)

(0.98452, 0.06061, 0.25)

(0.98180, 0.06865, 0.25)

Cr (x, y, z)

(0.5, 0, 0)

(0.5, 0, 0)

Fe (x, y, z)

(0.5, 0, 0)

(0.5, 0, 0)

O1 (x, y, z)

(0.09541, 0.46746, 0.25)

(0.10199, 0.46368, 0.25)

O2 (x, y, z)

(0.70144, 0.29933, 0.05020)

(0.69014, 0.30857, 0.05442)

Rp (%)

9.74

16.1

Rwp (%)

7.99

14.7

Rexp (%)

6.70

9.52

χ2

1.42

2.38

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