کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4909321 1362615 2017 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Characteristics of Al-doped ZnO:Ni films grown on glass by sol-gel dip coating technique
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Characteristics of Al-doped ZnO:Ni films grown on glass by sol-gel dip coating technique
چکیده انگلیسی

Al-doped NiZnO thin films were fabricated by dip coating and annealed at various temperatures (250-550 °C) and their properties were evaluated. With increasing annealing temperature, the Al contents in the thin films were continually increased, because of the rapid increase in the incorporation efficiency of the Al-O layer with respect to the NiZn-O layer. Polycrystalline nature of the thin films was confirmed by the X-ray diffraction technique. All films have a perfect wurtzite structure without any recordable variation in the ZnO lattice produced by replacing Zn with Ni and Al. The absorption edge shifted to a higher wavelength (red shift) with the increase of annealing temperature indicating that the shrinkage of the optical band gap was induced. The optical band gaps of thin films decreased from 3.5 to 2.5 eV. All films showed ferromagnetic behavior. The annealing process provided a reduced resistivity due to the improved crystal structure of films.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Saudi Chemical Society - Volume 21, Issue 4, May 2017, Pages 425-433
نویسندگان
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