The magnon spectrum in FePS3, a 2D Ising system on a honeycomb lattice
FePS3 appears to be a very good example of a 2D Ising antiferromagnet on a honeycomb lattice, which makes it rare. We have previously estimated the magnon dispersion based on neutron spectrometry from a powder, but now wish to verify our conclusions by measuring the dispersion in a single crystal. We have begun by measuring using a thermal three-axis with graphite monochromators and analysers, however we soon struck limits when attempting to measure large energy transfers with sufficient resolution at small Q. We now require a three axis with copper monochromators to continue our experiments, and therefore request IN1.
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WILDES Andrew; HICKS Trevor J; LANCON Diane; MAGREZ Arnaud; RAYMOND Stephane; Henrik M. Ronnow; RULE Kirrily and H. C. Walker. (2014). The magnon spectrum in FePS3, a 2D Ising system on a honeycomb lattice. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-01-1409
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