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    Université de Fribourg

    Revealing ‘plasmaron’ feature in DySb by optical spectroscopy study

    Ban, W J ; Wu, D S ; Xu, Bing ; Luo, J L ; Xiao, Hong

    In: Journal of Physics: Condensed Matter, 2019, vol. 31, no. 40, p. 405701

    We report magnetic susceptibility, resistivity and optical spectroscopy study on single crystal sample DySb. It exhibits extremely large magnetoresistance (XMR), and a magnetic phase transition from paramagnetic (PM) to antiferromagnetic (AFM) state at about 10 K. A 'screened' plasma edge at about 4000 cm−1 is revealed by optical measurement, which suggests that the material has a low...