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Specific heat of EuxSr1-xO near the ferromagnetic phase transition

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1992

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Stroka, B.
Wosnitza, Jochen
Löhneysen, Hilbert von
Park, W.
Fischer, K.

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Zeitschrift für Physik / B. 1992, 89(1), pp. 39-43. Available under: doi: 10.1007/BF01320827

Zusammenfassung

High-resolution measurements of the specific heat, C, near the ferromagnetic phase transition of the diluted ferromagnetic system Eux Srl_xO are reported. Samples with four different concentrations (x = 1, x =0.9, x =0.7 and x =0.5) have been studied and the expected phase diagram, i.e. the linear decrease of T~ with decreasing x, is confirmed. Our specific-heat data of the pure EuO samples yield a critical exponent e = -0.12_+ 0.02 in contrast to literature results, but in agreement with the value expected theoretically for this three-dimensional Heisenberg system. The origin of the discrepancies is traced down to differences in data analysis.

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530 Physik

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ISO 690STROKA, B., Jochen WOSNITZA, Elke SCHEER, Hilbert von LÖHNEYSEN, W. PARK, K. FISCHER, 1992. Specific heat of EuxSr1-xO near the ferromagnetic phase transition. In: Zeitschrift für Physik / B. 1992, 89(1), pp. 39-43. Available under: doi: 10.1007/BF01320827
BibTex
@article{Stroka1992Speci-5356,
  year={1992},
  doi={10.1007/BF01320827},
  title={Specific heat of EuxSr1-xO near the ferromagnetic phase transition},
  number={1},
  volume={89},
  journal={Zeitschrift für Physik / B},
  pages={39--43},
  author={Stroka, B. and Wosnitza, Jochen and Scheer, Elke and Löhneysen, Hilbert von and Park, W. and Fischer, K.}
}
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