Observation of an Antiferromagnetic Phase in the Bi2Sr2CuO6+ySystem by the µ+SR Technique
- 15 June 1990
- journal article
- letter
- Published by Physical Society of Japan in Journal of the Physics Society Japan
- Vol. 59 (6) , 1921-1924
- https://doi.org/10.1143/jpsj.59.1921
Abstract
We have observed antiferromagnetic ordering in the insulating phase ( x ≥0.50) of the single-CuO 2 -layer (per unit cell) Bi 2 (Sr 1- x La x ) 2 CuO 6+ y system. The Néel temperature increases from 10 K to 140 K with increasing La concentration. In this respect the system behaves like other high- T c copper oxide superconductors. In both x =0.55 and x =0.60 specimens, two hyperfine magnetic fields (45 G and 300 G) were observed at different µ + sites in the crystal.Keywords
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