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The crystal chemistry of the alkaline-earth apatites A10(PO 4)6CuxOy(H)z (A = Ca, Sr and Ba)

Lookup NU author(s): Dr Stevin PramanaORCiD


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The crystal chemistry of the cuprate apatites AI 4AII 6(PO4)6Cu xOy(H)z (A = Ca, Sr and Ba) was investigated by powder X-ray (PXRD) and neutron diffraction (PND) and X-ray photoelectron spectroscopy (XPS). The refined crystal structures confirmed earlier X-ray diffraction studies that showed copper resides in the apatite channels and additionally, located hydrogen. For all materials copper is primarily divalent (Cu2+) but in the calcium and strontium analogues co-exists with minor Cu3+. This is in contrast with a previous work where Cu 1+ and Cu2+ were reported. © The Royal Society of Chemistry 2009.

Publication metadata

Author(s): Baikie T, Ng GMH, Madhavi S, Pramana SS, Blake K, Elcombe M, White TJ

Publication type: Article

Publication status: Published

Journal: Dalton Transactions

Year: 2009

Issue: 34

Pages: 6722-6726

Print publication date: 14/09/2009

Online publication date: 17/06/2009

ISSN (print): 1477-9226

ISSN (electronic): 1477-9234

Publisher: Royal Society of Chemistry


DOI: 10.1039/b906639j

PubMed id: 19690682


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