Abstract
IrTe 2 has the CdI 2 structure and CuIr 2 Te 4 has a defect-NiAs structure at room temperature. Both compounds show basically metallic behavior. Magnetic and resistance anomalies, showing a hysteresis in temperature, have been found in IrTe 2 and CuIr 2 Te 4 . On heating, the resistivity ρ exhibits a hump-shaped maximum around 270 and 250 K for IrTe 2 and CuIr 2 Te 4 , respectively. The magnetic susceptibility χ reveals a step-like anomaly which gives evidence of a difference in the value of the Pauli paramagnetism between the high- and low temperature sides, corresponding to the anomalous behavior in ρ. These anomalies of ρ and χ in IrTe 2 originate from a gradual structure deformation with temperature, where the crystal symmetry changes from high temperature trigonal \(P\overline 3 m1\) to low temperature monoclinic C2/m.
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REFERENCES
S. Nagata, N. Matsumoto, Y. Kato, T. Furubayashi, T. Matsumoto, J. P. Sanchez and P. Vulliet, Phys. Rev. B 58, 6844 (1998)and references therein.
S. Nagata, N. Kijima, S. Ikeda, N. Matsumoto, R. Endoh, S. Chikazawa, I. Shimono and H. Nishihara, J. Phys. Chem. Solids 60, 163 (1999).
F. Izumi, The Rietveld Method, ed. by R. A. Young (Oxford University Press, 1993), Chap. 13.
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Matsumoto, N., Taniguchi, K., Endoh, R. et al. Resistance and Susceptibility Anomalies in IrTe2 and CuIr2Te4 . Journal of Low Temperature Physics 117, 1129–1133 (1999). https://doi.org/10.1023/A:1022546928480
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DOI: https://doi.org/10.1023/A:1022546928480