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Durham University

Department of Physics

Staff profile

Publication details for Professor Tom Lancaster

Liu, J, Goddard, P.A., Singleton, J, Brambleby, J, Foronda, F, Moeller, J.S, Kohama, Y, Ghannadzadeh, S, Ardavan, A, Blundell, S J, Lancaster, T, Xiao, F, Williams, R.C, Pratt, F.L., Baker, P.J., Wierschem, K, Lapidus, S.H., Stone, K.H., Stephens, P.W., Bendix, J, Woods, T.J., Carreiro, K.E., Tran, H.E., Villa, C.J. & Manson, J.L. (2016). Antiferromagnetism in a Family of S = 1 Square Lattice Coordination Polymers NiX2(pyz)2 (X = Cl, Br, I, NCS; pyz = Pyrazine). Inorganic Chemistry 55(7): 3515–3529.

Author(s) from Durham

Abstract

NiX2(pyz)2 have been synthesized and characterized using several magnetic probes. Except for X = Cl, long-range AFM order was found below TN = 1.9 (X = Br and NCS) and 2.5 K (X = I). In addition, Jpyz ∼ 1 K regardless of X, and D = 8 K for NiCl2(pyz)2, whereas D ∼ 0 for X = Br, I, and NCS based on ESR and heat capacity.