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dc.contributor.authorMiiller, W-
dc.contributor.authorChristensen, M-
dc.contributor.authorKhan, A-
dc.contributor.authorSharma, N-
dc.contributor.authorMacquart, RB-
dc.contributor.authorAvdeev, M-
dc.contributor.authorMcIntyre, GJ-
dc.contributor.authorPiltz, RO-
dc.contributor.authorLing, CD-
dc.identifier.citationMiiller, W., Christensen, M., Khan, A., Sharma, N., Macquart, R. B., Avdeev, M., McIntyre, G. J., Piltz, R. O., & Ling, C. D. (2011). YCa3(VO)3(BO3)4: a kagom compound based on vanadium(III) with a highly frustrated ground state. Chemistry of Materials, 23(5), 1315-1322. doi:10.1021/cm1034003en_AU
dc.description.abstractA new S = 1 kagomé compound based on vanadium(III) is reported. The structure was refined simultaneously against single-crystal neutron and X-ray diffraction data, as a gaudefroyite-type with a new supercell (a′ = 2a + b, b′ = −a − 2b, c′ = c) driven by the ordering of columns of isolated triangular BO3(3)− ions. Low-temperature neutron powder diffraction and magnetic (dc and ac susceptibility) data rule out the presence of long-range magnetic order above at least 1.5 K, but specific heat data suggest that the ground state involves short-range magnetic order, which is frustrated by the coexistence/competition of FM and AFM correlations, together with the characteristic geometric frustration of the kagomé lattice. Magnetic susceptibility data rule out a spin-glass state, pointing to an exotic ground state comparable to the spin-ice or spin-liquid states. This makes YCa3(VO)3(BO3)4 one of the most highly frustrated experimental realizations of the kagomé lattice yet discovered. © 2011, American Chemical Societyen_AU
dc.publisherAmerican Chemical Societyen_AU
dc.subjectLaue methoden_AU
dc.subjectNeutron diffractionen_AU
dc.subjectCrystal growthen_AU
dc.titleYCa3(VO)3(BO3)4: a kagom compound based on vanadium(III) with a highly frustrated ground stateen_AU
dc.typeJournal Articleen_AU
Appears in Collections:Journal Articles

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