Oxygen Content and Thermodynamic Stability of YBaCo₂O_6−δ Double Perovskite

Table 1

Refined cell parameters and space groups of the as-prepared oxide compounds.

Compound	Space group	a , Ǻ	b , Ǻ	c , Ǻ	Reference
YBaCo2O6−δ	P4/mmm	11.611	11.611	7.485	Present work
		11.616	11.616	7.493	[15]
		11.615	11.615	7.496	[8]
		11.616	11.616	7.497	[10]
YCoO3	Pbnm	5.139	5.419	7.365	Present work
		5.137	5.420	7.364	[21]
		5.132	5.411	7.360	[22]
BaCoO3	P-6m2	5.683	5.683	4.552	Present work
		5.645	5.645	4.752	[23]
		5.652	5.6525	4.763	[24]
BaCoO2.63	P63/mmc	5.666	5.666	28.494	Present work
		5.665	5.665	28.493	[25]
		5.671	5.671	28.545	[26]

Uncertainty ± 0.001 Ǻ.