Diagonal Antiferromagnetic Easy Axis in Lightly Hole Doped Y 1-xCaxBa2Cu3O6

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Abstract

A hole induced change in the antiferromagnetic (AF) structure of a single crystal of Gd:Y1-xCaxBa2Cu3O 6 with x ≅ 0.008 was investigated. AF domains were observed that were static on the time scale of 10-8 s at temperature below 200 K. A new magnetic phase transition in lightly Ca doped YBa 2Cu3O6 was found in which the easy direction of the AF sublattice magnetization was rotated by π/4. The results suggest that the transition is related to the condensation of holes into an ordered structure.

Original languageEnglish
Pages (from-to)1770011-1770014
Number of pages4
JournalPhysical review letters
Volume91
Issue number17
Publication statusPublished - Oct 24 2003

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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