Quantum kagome lattice in a van der Waals solid
We propose to measure a novel spin-1 kagome system in a van der Waals solid. The O2/N2 gas mixture with 48% oxygen solidifies into a hexagonal structure above 8 GPa pressure, where the O2 molecules build up stacked kagome lattice. This structure combined with the spin of the oxygen atoms and the expected antiferromagnetic exchange interaction between nearest neighbors makes this system an exciting model to study kagome physics. We propose to use neutron diffraction to determine the crystal structure down to 4 K and to measure the magnetic correlations.
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TOTH Sandor; Thomas C. Hansen; KLOTZ Stefan; RUEEGG Christian and STRAESSLE Thierry. (2015). Quantum kagome lattice in a van der Waals solid. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2438
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