Figure 4

Lattices “0” and “1”.
Lattice “0” is composed of 3 × 3 elements “0” and the lattice “1” is composed of 3 × 3 elements “1” to satisfy the periodic boundary in simulation. The period of the each lattice is 30 mm.
Lattices “0” and “1”.
Lattice “0” is composed of 3 × 3 elements “0” and the lattice “1” is composed of 3 × 3 elements “1” to satisfy the periodic boundary in simulation. The period of the each lattice is 30 mm.