Anomalies of (formula presented) resistivity, and thermoelectric power in the overdoped region of (formula presented)

N. Kakinuma, Y. Ono, Y. Koike

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58 Citations (Scopus)

Abstract

Transport properties of (Formula presented) in the overdoped region have been investigated in detail. In a narrow region around (Formula presented) in (Formula presented) we have found anomalously less-metallic behaviors of the electrical resistivity and the thermoelectric power than usual. The value of x around which the anomalies occur decreases through the substitution of Zn; namely, with increasing y. In the anomalously less-metallic samples, superconductivity has been found to be a little suppressed. These anomalies are not connected with the structural phase transition between the tetragonal high-temperature phase (Formula presented) and the orthorhombic midtemperature one (Formula presented) There is a possibility that an ordering of holes and/or spins is formed or fluctuates in the samples exhibiting the anomalous properties in the overdoped region.

Original languageEnglish
Pages (from-to)1491-1496
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume59
Issue number2
DOIs
Publication statusPublished - 1999

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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