Structural, Magnetic, and Optical Properties of A3V4(PO4)6 (A = Mg, Mn, Fe, Co, Ni).

Porter, SH; Xiong, J; Avdeev, M; Merz, D; Woodward, PM; Huang, Z

Structural, Magnetic, and Optical Properties of A3V4(PO4)6 (A = Mg, Mn, Fe, Co, Ni).

Porter, SH Xiong, J Avdeev, M Merz, D Woodward, PM Huang, Z

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Publisher:: AMER CHEMICAL SOC
Publication Type:: Journal Article
Citation:: Inorg Chem, 2016, 55, (12), pp. 5772-5779
Issue Date:: 2016-06-20

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Field	Value	Language
dc.contributor.author	Porter, SH
dc.contributor.author	Xiong, J
dc.contributor.author	Avdeev, M
dc.contributor.author	Merz, D
dc.contributor.author	Woodward, PM
dc.contributor.author	Huang, Z https://orcid.org/0000-0003-1985-0884
dc.date.accessioned	2022-07-18T00:31:50Z
dc.date.available	2022-07-18T00:31:50Z
dc.date.issued	2016-06-20
dc.identifier.citation	Inorg Chem, 2016, 55, (12), pp. 5772-5779
dc.identifier.issn	0020-1669
dc.identifier.issn	1520-510X
dc.identifier.uri	http://hdl.handle.net/10453/158971
dc.description.abstract	Combined synchrotron and neutron powder diffraction indicates that A3V4(PO4)6 (A = Mg, Mn, Fe, Co, Ni) compounds crystallize with triclinic P1̅ symmetry. Lattice parameters expand as expected with successive increases in the ionic radius of the A(2+) ion. Cation disorder on the octahedral sites increases as the ionic radii of A(2+) ion decreases. Direct-current magnetic susceptibility measurements indicate that all compounds with magnetic A(2+) ions order anti-ferromagnetically with transition temperatures ranging from 12 to 15 K. Effective magnetic moments for A3V4(PO4)6 (A = Mg, Mn, Fe, Co, Ni) are 5.16, 11.04, 10.08, 9.76, and 7.96 μB per formula unit, respectively, in line with calculated values for high-spin transition metal ions. With the exception of Co3V4(PO4)6 the ultraviolet-visible spectra are dominated by d-d transitions of the V(3+) ions. The striking emerald green color of Co3V4(PO4)6 arises from the combined effects of d-d transitions involving both V(3+) and Co(2+).
dc.format	Print-Electronic
dc.language	eng
dc.publisher	AMER CHEMICAL SOC
dc.relation.ispartof	Inorg Chem
dc.relation.isbasedon	10.1021/acs.inorgchem.5b02755
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0302 Inorganic Chemistry, 0306 Physical Chemistry (incl. Structural), 0399 Other Chemical Sciences
dc.subject.classification	Inorganic & Nuclear Chemistry
dc.title	Structural, Magnetic, and Optical Properties of A3V4(PO4)6 (A = Mg, Mn, Fe, Co, Ni).
dc.type	Journal Article
utslib.citation.volume	55
utslib.location.activity	United States
utslib.for	0302 Inorganic Chemistry
utslib.for	0306 Physical Chemistry (incl. Structural)
utslib.for	0399 Other Chemical Sciences
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment
utslib.copyright.status	closed_access	*
dc.date.updated	2022-07-18T00:31:48Z
pubs.issue	12
pubs.publication-status	Published
pubs.volume	55
utslib.citation.issue	12

Abstract:

Combined synchrotron and neutron powder diffraction indicates that A3V4(PO4)6 (A = Mg, Mn, Fe, Co, Ni) compounds crystallize with triclinic P1̅ symmetry. Lattice parameters expand as expected with successive increases in the ionic radius of the A(2+) ion. Cation disorder on the octahedral sites increases as the ionic radii of A(2+) ion decreases. Direct-current magnetic susceptibility measurements indicate that all compounds with magnetic A(2+) ions order anti-ferromagnetically with transition temperatures ranging from 12 to 15 K. Effective magnetic moments for A3V4(PO4)6 (A = Mg, Mn, Fe, Co, Ni) are 5.16, 11.04, 10.08, 9.76, and 7.96 μB per formula unit, respectively, in line with calculated values for high-spin transition metal ions. With the exception of Co3V4(PO4)6 the ultraviolet-visible spectra are dominated by d-d transitions of the V(3+) ions. The striking emerald green color of Co3V4(PO4)6 arises from the combined effects of d-d transitions involving both V(3+) and Co(2+).

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http://hdl.handle.net/10453/158971