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Aron ⇋ e⁻
@aronwalsh.github.io

I am not sure how many solid-state chemists are lurking here, but I bet 10p that CaSnO3 is not magnetic (with or without CO2) pubs.rsc.org/en/Content/A...

pubs.rsc.orgSupercritical CO2-modulated phase transition in CaSnO3 from orthorhombic to cubic symmetry for room-temperature ferromagnetismThe advancement of nanotechnology has enabled magnetic nanomaterials to exhibit remarkable potential and application value in medicine, transportation, information storage, and spintronics owing to th...

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Joachim Breternitz
@jobret.bsky.social

I am not sure about treating their pattern as two independent structures despite being related through a group-subgroup relationship. Would need to check if there isn't a subgroup that explains all reflections.