Stacking disorder in novel ABAC-stacked brochantite, Cu4SO4(OH)6

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dc.contributor.authorChakkingal, AMen_AU
dc.contributor.authorFuller, CAen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorGumeniuk, Ren_AU
dc.contributor.authorParui, KKen_AU
dc.contributor.authorRahn, MCen_AU
dc.contributor.authorPabst, Fen_AU
dc.contributor.authorWang, Yen_AU
dc.contributor.authorGranovsky, Sen_AU
dc.contributor.authorKorshunov, Aen_AU
dc.contributor.authorChernyshov, Den_AU
dc.contributor.authorInosov, DSen_AU
dc.contributor.authorPeets, DCen_AU
dc.date.accessioned2025-11-13T05:30:33Zen_AU
dc.date.available2025-11-13T05:30:33Zen_AU
dc.date.issued2025-05-23en_AU
dc.date.statistics2025-07-23en_AU
dc.description.abstractIn geometrically frustrated magnetic systems, weak interactions or slight changes to the structure can tip the delicate balance of exchange interactions, sending the system into a different ground state. Brochantite, Cu4 SO4 (OH)6, has a copper sublattice composed of distorted triangles, making it a likely host for frustrated magnetism, but it exhibits stacking disorder. The lack of synthetic single crystals has limited research on the magnetism in brochantite to powders and natural mineral crystals. We grew crystals which we find to be a new polytype with a tendency toward ABAC stacking and some anion disorder, alongside the expected stacking disorder. Comparison to previous results on natural mineral specimens suggests that cation disorder is more deleterious to the magnetism than anion and stacking disorder. Our specific heat data suggest a double transition on cooling into the magnetically ordered state. ©2025 American Physical Society.en_AU
dc.identifier.articlenumber054407en_AU
dc.identifier.citationChakkingal, A. M., Fuller, C., Avdeev, M., Gumeniuk, R., Parui, K. K., Rahn, M. C., Pabst, F., Wang, Y., Granovsky, S., Korshunov, A., Chernyshov, D., Inosov, D. S., & Peets, D. C. (2025). Stacking disorder in novel ABAC-stacked brochantite, Cu4 SO4 (OH)6. Physical Review Materials, 9(5), 054407. doi:10.1103/PhysRevMaterials.9.054407en_AU
dc.identifier.issn2476-0455en_AU
dc.identifier.issn2475-9953en_AU
dc.identifier.issue5en_AU
dc.identifier.journaltitlePhysical Review Materialsen_AU
dc.identifier.urihttps://doi.org/10.1103/physrevmaterials.9.054407en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/16690en_AU
dc.identifier.volume9en_AU
dc.languageEnglishen_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectCopperen_AU
dc.subjectCrystalsen_AU
dc.subjectMineralsen_AU
dc.subjectSynthesisen_AU
dc.subjectMagnetismen_AU
dc.subjectAnionsen_AU
dc.subjectCrystal structureen_AU
dc.subjectMagnetismen_AU
dc.subjectCrystal growthen_AU
dc.subjectSpecific heaten_AU
dc.subjectScatteringen_AU
dc.titleStacking disorder in novel ABAC-stacked brochantite, Cu4SO4(OH)6en_AU
dc.typeJournal Articleen_AU
dcterms.dateAccepted2025-05-06en_AU
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