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We deposited tris-(8-hydroxyquinoline) aluminum (Alq 3 ) films on glass substrates by using the hot-wall method. The Alq 3 films were deposited for changing substrate temperature from 50 to 125°C. With increasing the substrate temperature, anomalous growth patterns with a butterfly-like shape appeared and spread on the surface of the deposited films. The intensity of emission from...
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