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Title: Interlayer tuning of electronic and magnetic properties in honeycomb ordered Ag3LiRu2O6
Authors: Kimber, SAJ
Ling, CD
Jonathan, D
Morris, P
Chemseddine, A
Henry, PF
Argyriou, DN
Keywords: Honeycomb structures
Magnetic properties
Electronic structure
Stacking faults
Ion exchange
Issue Date: 7-Oct-2010
Publisher: Royal Society of Chemistry
Citation: Kimber, S. A. J., Ling, C. D., Jonathan, D., Morris, P., Chemseddine, A., Henry, P. F., & Argyriou, D. N. (2010). Interlayer tuning of electronic and magnetic properties in honeycomb ordered Ag3LiRu2O6. Journal of Materials Chemistry, 20(37), 8021-8025. doi:10.1039/C0JM00678E
Abstract: We report a switching of electronic, magnetic and lattice properties in honeycomb ruthenates by interlayer cation exchange. The new material Ag3LiRu2O6 was made by ion-exchange of the ordered Li/Ru honeycomb material Li2RuO3 in an AgNO3 melt at 200°C. Neutron powder diffraction and electron microscopy show that the Li/Ru order is preserved in the honeycomb layers, however, significant stacking disorder is found between layers. In contrast to Li2RuO3, which is insulating, dimerised and diamagnetic, Ag3LiRu2O6 has low electrical resistivity (0.01 ohm cm−1) and a large magnetic susceptibility at room temperature. This is attributed to the electronic influence of the highly polarisable interlayer Ag+ cation. The combination of two dimensionality, good conductivity and stacking disorder means this family of materials have potential for thermoelectric applications. © 2010, Royal Society of Chemistry
Gov't Doc #: 2721
ISSN: 0959-9428
Appears in Collections:Journal Articles

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