Lithium Ruthenates: Controlling Dimensionality and Topology of Magnetic-Ion Arrangements

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dc.creatorSoma, Makoto
dc.creatorSato, Hirohiko
dc.date2006-11-27
dc.date.accessioned2026-07-07T07:31:29Z
dc.date.available2026-07-07T07:31:29Z
dc.descriptionIn order to control the dimensionality and the topology of the arrangement of magnetic Ru ions, NaCl-type lithium ruthenates have been investigated. Three types of lithium ruthenates, Li$_{3}$RuO$_{4}$, Li$_{2}$RuO$_{3}$, and cubic-Li$_{x}$RuO$_{1+x}$, were synthesized using a hydrothermal method. All of them have NaCl-type structure, but the arrangements of the cations, Li$^{+}$ and Ru$^{5+}$ (or Ru$^{4+}$), differ from each other. Li$_{3}$RuO$_{4}$ with one-dimensional zigzag chains of Ru ions undergoes an antiferromagnetic transition at 66 K and exhibits an irreversibile magnetism below 32 K, where the zero-field-cooled susceptibility differs from the field-cooled susceptibility. Li$_{2}$RuO$_{3}$ with a two-dimensional honeycomb network of Ru ions demonstrates a paramagnetism almost independent of temperature. A novel ruthenate cubic-Li$_{x}$RuO$_{1+x}$, in which Ru and Li randomly occupy the cation sites of NaCl lattice, undergoes a spin-glass transition at 10 K.
dc.description20 pages, 10 figures, J. Phys. Soc. Jpn. in press
dc.identifierhttps://arxiv.org/abs/cond-mat/0611691
dc.identifierhttp://arxiv.org/abs/cond-mat/0611691
dc.identifierJ. Phys. Soc. Jpn. 75, 124802 (2006)
dc.identifierdoi:10.1143/JPSJ.75.124802
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/118773
dc.subjectMaterials Science
dc.titleLithium Ruthenates: Controlling Dimensionality and Topology of Magnetic-Ion Arrangements
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