Table 2 Crystalline parameters obtained from Rietveld refinement using SXRD patterns at Room temperature for Zr4Pd2O and Zr4Rh2O.

From: Observation of superconductivity and enhanced upper critical field of η-carbide-type oxide Zr4Pd2O

Compound

Zr4Pd2O

Zr4Rh2O

Space group

Fd \(\stackrel{\mathrm{-}}{3}\) m (No. 227)

Z

16

a (Å)

12.4617(1)

12.3977(3)

V3)

1935.22(3)

1905.54(9)

x (Zr1)

0.30762(7)

0.3111(2)

x (Tr)

0.28569(5)

0.2815(1)

Uiso (Zr1)

0.0051(2)

0.0052(5)

Uiso (Zr2)

0.0104(4)

0.017(1)

Uiso (Tr)

0.0126(3)

0.0193(8)

Uiso (O)

0.004 (fixed)

0.004 (fixed)

Rwp (%)

8.438

16.550

  1. The atomic coordinates of Zr1, Zr2, Tr, and O are (x,1/8,1/8), (1/2,1/2,1/2), (x,x,x), and (0,0,0), respectively.