Thermal conductivity of the ferromagnetic chain system cesium trifluoronickelate (CsNiF3)

H.A.M. de Gronckel, W.J.M. Jonge, de, K. Kopinga, L.F. Lemmens

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Abstract

The thermal conductivity λ of CsNiF 3 has been measured in the region 2.5 K<T<10 K with the heat flow parallel to the chain direction. Fields up to 8 T were applied both within and perpendicular to the easy plane. The data on this ferromagnetic chain system indicate that the effect of solitons on λ is very small, in agreement with earlier observations on [C 6 H 11 NH 3 ]CuBr 3 (CHAB). This suggests that the soliton-phonon scattering in these systems is much smaller than in comparable antiferromagnetic systems, like tetramethylammonium manganese trichloride (TMMC).
Original languageEnglish
Pages (from-to)4654-4656
Number of pages3
JournalPhysical Review B: Condensed Matter
Volume44
Issue number9
DOIs
Publication statusPublished - 1991

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