Magnetic field effects in organic light emitting diodes with Co electrode

Tris-(8-hydroxyquinoline)-aluminum (Alq3)–based organic light-emitting diodes with Co electrode are fabricated. The positive magnetic electroluminescence (MEL) and magnetic conductance (MC) are observed in the samples, reaching 4.35% and 1.67% under the field of 42 mT at 50 K, respectively, and the