Magnetic Excitations in a new 1D, spin-1/2 chain magnet: CuSb2O4
This proposal is focused on the relatively unstudied compound CuSb2O4. It has a superficial resemblance to the chemistry of CuSb2O6, -a compound in which our understanding of its magnetic phenomena benefitted in a substantial manner from neutron studies. Our physical properties studies suggest that CuSb2O4 is an equally interesting case study of low-dimensional magnetism deriving from Cu2+ ions. Magnetic order, presumably of antiferromagnetic nature takes place below 1.8K. CuSb2O4 crystallizes in tetragonal symmetry with space group P42bc. Concerning Cu bonding, the CuO6 polyhedra are strongly elongated due to Jahn-Teller distortion. The results of analysis of our x-ray diffraction data are supported by Raman spectroscopy, and with computation of the vibrational behaviour of the contents of the unit cell. Here we propose to perform an inelastic neutron study on IN6 in order to survey the magnetic excitations. A major part of the study will be devoted to investigating the spin gap state in CuSb2O4 with which to connect to the dimensional nature of the magnetism.
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D.T. Adroja; Amitava Bhattacharyya; CASLIN Kevin; KOZA Michael Marek; R. K. Kremer and STRYDOM Andre. (2014). Magnetic Excitations in a new 1D, spin-1/2 chain magnet: CuSb2O4. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-01-1408
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