A study on the transport properties in the Bi2-xPbxSr1.65La0.35CuOy system

Gaojie Xu, Zhiqiang Mao, Xiaojun Xu, Mingliang Tian, Lei Shi, Yuheng Zhang

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6 Citations (SciVal)


Samples of the Bi2-xPbxSr1.65La0.35CuOy (x = 0, 0.1, 0.2, 0.3, 0.4 and 0.6) system with different oxygen concentration are obtained. The analysis of x-ray diffraction indicates that a tetragonal-orthorhombic transition takes place with increase of Pb content. The resistivity measurement shows that for the quenched samples the highest Tonsetc is 35 K, and T0c (zero resistivity) is 25 K; while for the samples annealed under low oxygen partial pressure, the highest Tonsetc and T0c increase to 45 K and 37 K, respectively. Moreover, the phenomenon of a spin gap is systematically observed in this system. The analysis of the experimental results reveals that the microstructural characteristic of the Bi2201 system is closely related to both the spin-paring and superconductivity. The dominated spin scattering mechanism is suggested as the origin of the T-linear resistivity.

Original languageEnglish (US)
Pages (from-to)5137-5144
Number of pages8
JournalJournal of Physics Condensed Matter
Issue number24
StatePublished - Jun 16 1997

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics


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