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A. Lusson,N. Haneche,V. Sallet,P. Galtier,V. Munoz-Sanjose,J. Zuniga-Perez,S. Agouram,J. A. Bastos Segura,E. Leroy 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.1
Zn(1-x)CdxO solid solutions with a composition ranging from pure ZnO up to x = 0.07 have been grown on ZnO substrates by using metalorganic chemical vapor deposition (MO-CVD). The alloy concentration was carefully measured using a Castaing electron microprobe. The measured lateral homogeneity of the alloy was around 0.1 %. Two dierent photoluminescence lines were observed on Zn(1-x)CdxO alloys. At low temperature, a localized exciton line was identied and a second line appeared at higher energy for intermediate temperatures. This eect is interpreted as a delocalization eect of excitons trapped in potential uctuations related to a local alloy disorder. Zn(1-x)CdxO solid solutions with a composition ranging from pure ZnO up to x = 0.07 have been grown on ZnO substrates by using metalorganic chemical vapor deposition (MO-CVD). The alloy concentration was carefully measured using a Castaing electron microprobe. The measured lateral homogeneity of the alloy was around 0.1 %. Two dierent photoluminescence lines were observed on Zn(1-x)CdxO alloys. At low temperature, a localized exciton line was identied and a second line appeared at higher energy for intermediate temperatures. This eect is interpreted as a delocalization eect of excitons trapped in potential uctuations related to a local alloy disorder.