We performed zero and transverse field muon spin rotation experiments on a large number of YBa2Cu3O6 + x samples. We detect the coexistence of antiferromagnetic (AF) short range magnetism with superconductivity below Tf10 K in compositions 0.37x0.39. Most muons experience local AF fields, even when a SQUID detects a full superconducting volume fraction, which points to a local minimal interference organization of short AF stripes embedded in the superconductor. A detailed phase diagram is produced and the consequences of the minimal interference are discussed.

Nanoscopic Coexistence of Magnetism and Superconductivity in YBa2Cu3O6 + x Detected by Muon Spin Rotation

SANNA, SAMUELE;
2004-01-01

Abstract

We performed zero and transverse field muon spin rotation experiments on a large number of YBa2Cu3O6 + x samples. We detect the coexistence of antiferromagnetic (AF) short range magnetism with superconductivity below Tf10 K in compositions 0.37x0.39. Most muons experience local AF fields, even when a SQUID detects a full superconducting volume fraction, which points to a local minimal interference organization of short AF stripes embedded in the superconductor. A detailed phase diagram is produced and the consequences of the minimal interference are discussed.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11571/144634
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