Journal of Low Temperature Physics

, Volume 95, Issue 1–2, pp 23–31 | Cite as

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
Normal State: Experimental Facts

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.

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Copyright information

© Plenum Publishing Corporation 1994

Authors and Affiliations

  • B. Batlogg
    • 1
  • H. Y. Hwang
    • 1
  • H. Takagi
    • 1
  • H. L. Kao
    • 1
  • J. Kwo
    • 1
  • R. J. Cava
    • 1
  1. 1.AT&T Bell LaboratoriesMurray HillUSA
  2. 2.Department of Applied PhysicsUniversity of TokyoJapan
  3. 3.Materials Science CenterNational Tsing Hua UniversityTaiwan

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