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

SrNdMgRuO6

status published · visibility public · id mat:srndmgruo6

Formula SrNdMgRuO₆ · double-perovskite · primary · B-site ordered

Series: SrLnMRuO6 ordered double perovskites (Ln = Nd, M = Mg)

Synthesis: solid-state reaction; final sintering 1525 K, 20 h, air

Phase sequence

P2₁/n → P4₂/n at 560 K (discontinuous) → Fm3m at 940 K (continuous)

Structures

T (K)	space group	a	b	c	β	R_wp	modes	status
300	P2₁/n	5.5434(2)	5.5537(2)	7.8361(3)	90.052(6)	5.74	yes	published

Transitions

P2₁/n → P4₂/n at 560 K, discontinuous
P4₂/n → Fm3m at 940 K, continuous

Evidence

doc:thesis-03 · table 2.1 · § 2.1 · OCR line 545 · thesis-only · synthesis
doc:thesis-03 · table 5.1 · OCR line 950 · cell col = SrNdMgRuO6 · thesis-only · RT structure