Japanese Journal of Applied Physics · 1987 · 158 citations · 9 references
Natural SciencesPhysicsCondensed Matter PhysicsMagnetic MaterialsSolid State PhysicsAntiferromagnetic MaterialsAntiferromagnetismMagnetic Properties Of SolidsMagnetism In SolidsPhase TransitionsSuperconducting MaterialsAntiferromagnetic OrderAntiferromagnetic OrderingMagnetic PropertiesSpin RelaxationSpin Relaxation DynamicsSuperconducting Critical Temperature
The magnetic properties of four different phases of the YBa 2 Cu 3 O x system, including the famous 90 K superconductor, have been probed by the positive muon spin relaxation method (µ + SR). The oxygen-deficient tetragonal insulating phase ( x ∼6.2) was found to be magnetically ordered, thus most likely antiferromagnetic, near room temperature.
9