Mixed X-Site Formate-Hypophosphite Hybrid Perovskites.

Yue Wu David M HalatFengxia WeiTrevor BinfordIeuan D SeymourMichael W GaultoisSammy ShakerJohn Wang Clare P Grey Anthony K Cheetham

Published in: Chemistry (Weinheim an der Bergstrasse, Germany) (2018)

Following the recent discovery of a new family of hybrid ABX3 perovskites where X=(H2 POO)- (hypophosphite), this work reports a facile synthesis for mixed X-site formate perovskites of composition [GUA]Mn(HCOO)3-x (H2 POO)x , with two crystallographically distinct, partially ordered intermediate phases with x=0.84 and 1.53, corresponding to ca. 30 and 50 mol % hypophosphite, respectively. These phases are characterised by single-crystal XRD and solid-state NMR spectroscopy, and their magnetic properties are reported.

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