Charge dynamics in (La, Sr)2CuO4: from underdoping to overdoping

B. Batlogg, H. Y. Hwang, H. Takagi, H. L. Kao, J. Kwo, R. J. Cava

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19 Scopus citations

Abstract

The normal state transport properties (resistivity, Hall effect) of La2-xSrxCuO4 have been studied over wide ranges of Sr doping and temperature. The familiar T-linear resistivity and the strongly T dependent Hall effect RH(T) are found only near the optimal hole concentration (x ≈ 0.15-0.18). The charge dynamics changes significantly in the non-superconducting overdoped range with RH(T) becoming constant above a characteristic temperature T*, and p(T) ∝ Tn (n > 1; n ≈ 1.5±0.1). The temperature scale T*, decreasing with increasing hole concentration, provides a link between transport and magnetic properties.

Original languageEnglish (US)
Pages (from-to)23-31
Number of pages9
JournalJournal of Low Temperature Physics
Volume95
Issue number1-2
DOIs
StatePublished - Apr 1 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

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