Table 1 Structural parameters and stable conditions of cerium phases [8,9,10,11]
From: Molecular Dynamics Modeling and Simulation of Diamond Cutting of Cerium
Phase | Crystal structure | Lattice parameters (Å) | Conditions |
---|---|---|---|
γ | Face-centered cubic (fcc) | a = 5.1610 | P = 0, T = 270~999 K |
α | Face-centered cubic (fcc) | a = 4.824 | P = 0, T < 110 K / P = 8kbar, T = 295 K |
β | Double hexagonal close-packed (dhcp) | a = 3.6810 c = 11.857 | P = 0, T = 45~275 K |
δ | Body-centered cubic (bcc) | a = 4.11 | P = 0, T = 999~1071 K |
ε | Body-centered tetragonal (bct) | a = 2.92 b = 4.84 | P = 17.5 GPa, 295 K |