An ionothermally prepared S = 1/2 vanadium oxyfluoride kagome lattice
نویسندگان
چکیده
منابع مشابه
Gapless spin liquid ground state in the S = 1⁄2 vanadium oxyfluoride kagome antiferromagnet [ NH 4 ]
1 CSEC and School of Chemistry, The University of Edinburgh, Edinburgh, EH9 3JZ, United Kingdom 2 Laboratoire de Physique des Solides, UMR CNRS, Université Paris-Sud, 91504 Orsay, France 3 School of Chemistry and EaSTChem, University of St Andrews, St Andrews, KY16 9ST, United Kingdom 4 ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon, OX110QX, United Kingdom 5 Department of...
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The vanadium oxyfluoride [NH(4)](2)[C(7)H(14)N][V(7)O(6)F(18)] (DQVOF) is a geometrically frustrated magnetic bilayer material. The structure consists of S = 1/2 kagome planes of V(4+) d(1) ions with S = 1 V(3+) d(2) ions located between the kagome layers. Muon spin relaxation measurements demonstrate the absence of spin freezing down to 40 mK despite an energy scale of 60 K for antiferromagnet...
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The title compound, [V(2)F(2)O(4)(C(12)H(8)N(2))(2)], is a centrosymmetric binuclear vanadium(V) species with the metal ions in a distorted octa-hedral environment. The symmetry-equivalent V(V) atoms exhibit coordination geometries defined by cis-terminal fluoride and oxide groups, unsymmetrically bridging oxide groups and the N-atom donors of the phenanthroline ligands. The crystal packing is ...
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A new organically-templated vanadium(III) fluoride, (NH4)2(C2H8N)[V3F12], has been prepared using an ionothermal approach. This compound has a unique layered structure featuring distorted S = 1 kagome planes separated by the cationic species. The compound exhibits magnetic frustration, with a canted antiferromagnetic ground state. On further cooling in the ground state a pronounced change in ma...
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We compute specific heat of the antiferromagnetic spin2 Heisenberg model on the kagome lattice. We use a recently introduced technique to analyze high-temperature series expansion based on the knowledge of high-temperature series expansions, the total entropy of the system and the low-temperature expected behavior of the specific heat, as well as the ground-state energy. In the case of the kago...
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ژورنال
عنوان ژورنال: Nature Chemistry
سال: 2011
ISSN: 1755-4330,1755-4349
DOI: 10.1038/nchem.1129