Stress-Driven Evolution on Mismatched Ca₂Co₂O₅ Oxide Material: From Geometry to the Electronic States

Table 2

Binding lengths and binding numbers within sandwiched Ca₂Co₂O₅ crystalline oxide.

		0 GPa		1 GPa
CoO2 layer	Co-O	Length (Å)	Number	Length (Å)	Number
		1.802	0.53	1.805	0.52
		1.773	0.56	1.772	0.56
CaCoO layer	Co-O	1.879	0.48	1.871	0.48
		1.890	0.47	1.887	0.47
		1.990	0.36	1.994	0.36
		2.328	0.40	2.321	0.41
	Ca-O	2.391	0.10	2.392	0.10
		2.356	0.25	2.349	0.25
		2.384	0.19	2.410	0.19
Angle (°)	O-Co-O	159.610	—	161.355	—