perovskite atlas Structures, modes and phase transitions · Josu M. Igartua · UPV/EHU

Sr2EuSbO6

status published · visibility public · id mat:sr2eusbo6

Formula Sr2EuSbO6 · double-perovskite · primary · B-site ordered

Series: Sr2MSbO6 antimonates (M = Ln, Y) (M = Eu)

Synthesis: solid-state reaction of ACO3, M2O3 and Sb2O5 in air (6 h 870 K; 24 h 1270 K; 24 h 1470 K; final sintering 1570–1870 K, 48–72 h; slow cooling 3 K/min, regrinding between steps); final sintering 1570 K, 72 h, air

Phase sequence

P21/n → R3 at 825 K (discontinuous) → Fm3m at 1150 K (continuous)

Structures

T (K) space group a b c β Rwp modes status
300 P21/n 5.8573(8) 5.9121(8) 8.3155(1) 90.24(1) yes published

Transitions

Evidence