Table 1 Structural properties of AMnBi2 (A = Ca,Yb,Eu,Sr,Ba) and BaMnBi2.
Space Group | CaMnBi225 | YbMnBi214 | EuMnBi226 | SrMnBi227 | BaMnBi227 | BaZnBi2 |
|---|---|---|---|---|---|---|
P4/nmm (129) | I4/mmm (139) | |||||
a-lattice constant (Å) | 4.50 | 4.48 | 4.53 | 4.58 | 4.63 | 4.86 |
c-lattice constant (Å) | 11.08 | 10.80 | 22.43 | 23.13 | 24.22 | 21.99 |
c/a ratio | 2.46 | 2.41 | 4.95 | 5.05 | 5.23 | 4.52 |
Mn(Zn)-Bi distance (Å) | 2.88 | 2.87 | 2.87 | 2.89 | 3.39 | 2.81 |
A-ionic radius (pm) | 114 | 116 | 131 | 132 | 149 | 149 |
