Critical exponents of EuTe from specific-heat and thermal-expansion measurements

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SCHEER, Elke, Jochen WOSNITZA, Hilbert von LÖHNEYSEN, R. KÜRSCH, M. LANG, Frank STEGLICH, 1992. Critical exponents of EuTe from specific-heat and thermal-expansion measurements. In: Journal of Magnetism and Magnetic Materials. 104-107(Part 1), pp. 175-176

@article{Scheer1992Criti-9289, title={Critical exponents of EuTe from specific-heat and thermal-expansion measurements}, year={1992}, doi={10.1016/0304-8853(92)90753-B}, number={Part 1}, volume={104-107}, journal={Journal of Magnetism and Magnetic Materials}, pages={175--176}, author={Scheer, Elke and Wosnitza, Jochen and Löhneysen, Hilbert von and Kürsch, R. and Lang, M. and Steglich, Frank} }

Wosnitza, Jochen Scheer, Elke Kürsch, R. Lang, M. Löhneysen, Hilbert von application/pdf Steglich, Frank deposit-license Löhneysen, Hilbert von Scheer, Elke Lang, M. 2011-03-24T17:55:13Z Kürsch, R. 2011-03-24T17:55:13Z Wosnitza, Jochen The antiferromagnet EuTe shows a distinct cross-over behavior in the specific heat C when approaching the Néel temperature T h = 9.8 K. For J t ] = [(T - 7N) / T N ]> 0.01 the critical exponent of the specific heat, C ~ r t ] -", is almost zero, oL = 0.0085-t-0.003. Closer to TN, for 0.0015 0.01 and o~ = 0.43-+0.2 for 0.001 < l tl < 0.03. Although EuTe is considered to be a Heisenberg antiferromagnet, some anisotropy might be expected because of dipolar interactions, possibly causing the observed cross-over. Steglich, Frank Critical exponents of EuTe from specific-heat and thermal-expansion measurements First publ. in: Journal of Magnetism and Magnetic Materials, Vol. 104-107 (1992), Part 1, S. 175-176 1992 eng

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