Abstract
Recently it has been shown that tetramethylammonium copper chloride (CH3)4 NCuCl3 (TMCuC) behaves like a one-dimensional S = 1/2 Heisenberg ferromagnet. We present here the first indications of tridimensional antiferromagnetic ordering in this compound. We measured the magnetic susceptibility of a powdered sample of TMCuC in zero applied field, between 0.4 and 4.2 K and obtained the following value of the Nëel temperature: TN = 1.24 K. From the value of the 3d ordering temperature we can deduce the ratio of the interchain interaction J’ to the intrachain interaction J : |J’/J| = 7.10−4.TMCuC is thus a fairly good example of Id Heisenberg ferromagnet. In addition, we studied the (H, T) phase diagram in the 3d antiferromagnetic ordered state.
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© 1981 Plenum Press, New York
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Dupas, C., Renard, J.P. (1981). Evidence of 3D Antiferromagnetic Order in the S = 1/2 Linear Ferromagnet TMCUC. In: Devreese, J.T., Lemmens, L.F., Van Doren, V.E., Van Royen, J. (eds) Recent Developments in Condensed Matter Physics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-1086-0_26
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DOI: https://doi.org/10.1007/978-1-4684-1086-0_26
Publisher Name: Springer, Boston, MA
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