Investigation of Structural and Thermal Evolution in Novel Layered Perovskite NdSrMn₂O_5+δ via Neutron Powder Diffraction and Thermogravimetric Analysis

Table 4

Comparison of TGA results for NdSrMn₂O_5+δ and perovskite structures in the literature.

Compositions	Temperature (°C)	Oxygen occupancy from Rietveld refinement	Weight change (% TG)	Calculated oxygen occupancy from TGA	Ref.
NdSrMn2O5+δ	20 ̶ 950	5.3829	0.1005	5.3994	This study
SmBaMn2O5+δ	Up to 1000	—	0.0220	—	[54]
PrBaMn2O5+δ	25 ̶ 800	—	—	—	[25]
PrSrMn2O5+δ	20 ̶ 1000	—	0.3600		[30]