Hall coefficient in the ground state of stripe-ordered La 2-xBaxCuO4 single crystals

Tadashi Adachi, Nobuyoshi Kitajima, Yoji Koike

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Temperature dependence of the Hall coefficient, RH, has been investigated in charge-spin stripe-ordered La-214 high-Tc superconductors. Using the simplest stripe-ordered system of La 2-xBaxCuO4, it has been clarified that both the behavior of RH and its sign exhibit significant dependences on the hole concentration. That is, RH is zero in the ground state of the charge-spin stripe order at x=1/8, while it is negative in the less-stabilized state of the charge stripe for x<1/8. These are interpreted as owing to the delicate balance of the contributions of the holelike Fermi surface and the possible electron pocket arising from the formation of the charge-spin stripe order.

Original languageEnglish
Article number060506
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume83
Issue number6
DOIs
Publication statusPublished - 2011 Feb 11

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

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