Transport properties and electronic specific heat of

Gheorghe Ilonca, Tzuen Rong Yang, Aurel Pop, Eugen Macocian, Valentin Toma, Ovidiu Furdui

研究成果: 雜誌貢獻文章同行評審

摘要

The effect of the partial substitution of Cu by Zn and La by Ba in La: 214 prepared by conventional solid state reaction method has been investigated by using Hall coefficient, Seebeck coefficient and electronic specific heat measurements, over the wide temperature range between 4.2 K and 300 K, in magnetic fields up to 5 T. The samples with y = 0 and d = 0, showed superconductivity for x between 0.055 and 0.30. The critical temperature, the Hall and Seebeck coefficients strongly depend on Zn content. The phonon specific heat Cph and electronic specific heat Ce1 have been extracted from the total specific heat C. Zn-doping effect on the γ(T) = Cel/T behavior suggests that the large range "stripe order" and the fluctuating "stripe" suppress the singlet formation and pseudo gap.

原文英語
頁(從 - 到)787-791
頁數5
期刊Journal of Low Temperature Physics
131
發行號5-6
DOIs
出版狀態已發佈 - 2003 六月

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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