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Sponsored by the Center for Science and Technology Development of the Ministry of Education
Supervised by Ministry of Education of the People's Republic of China
Mg0.93Zn0.07O nanowires were synthesized on Si(111) substrates by a catalyst-free thermal evaporation method using mixture of Zn and Mg powders as the source materials. The structure and composition were investigated by x-ray diffraction, field-emission scanning electron microscopy, transmission electron microscopy, and energy-dispersive x-ray spectroscopy. The results indicated that the product has two phases, cubic Mg0.93Zn0.07O and hexagonal ZnO. Both the cubic and hexagonal nanowires consist of single crystals.