Atomic ordering in the doped rare earth cobaltates Ln0.33Sr0.67CoO3-δ (Ln = Y3+, Ho3+ and Dy3+)

Withers, Raymond; James, Michael; Goossens, Darren

Atomic ordering in the doped rare earth cobaltates Ln0.33Sr0.67CoO3-δ (Ln = Y3+, Ho3+ and Dy3+)

Date

2003

Authors

Withers, Raymond

James, Michael

Goossens, Darren

Publisher

Academic Press

Abstract

The perovskite-based rare earth cobaltates (Ln0.33Sr0.67CoO3-δ) (Ln=Y3+, Ho3+ and Dy3+) have been synthesized at 1100°C under 1atm oxygen. A thermogravimetric study has determined the overall oxygen content in each case while a combined electron diffrac