Table 1 Bond effective force constants of Zr–M and M–M (M = Fe, Ni; κ‖ is the corresponding bond-stretching) extracted from EXAFS62; the thermal expansion properties of MZr2 ingot along VD (93–1078 K)
From: Giant uniaxial negative thermal expansion in FeZr2 alloy over a wide temperature range
Sample | κ‖ (eV/Å2) | △l/l0 | |
|---|---|---|---|
Zr–M | M–M | ||
FeZr2 | 2.76 ± 0.03 | 2.36 ± 0.26 | −3.35% |
NiZr2 | 3.78 ± 0.10 | 3.61 ± 0.28 | 1.12% |
