PIEZOELECTRIC PROPERTIES OF ZNONANOWIRE ARRAYS GROWN IN ORDERED ANODIC ALUMNUM OXIDE TEMPLATE
سال انتشار: 1390
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 426
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شناسه ملی سند علمی:
UFGNSM03_038
تاریخ نمایه سازی: 10 تیر 1396
چکیده مقاله:
In this research, the anodic aluminum oxide (AAO) template is produced by two-step anodizing method in 0.3 M oxalic acid. The SEM and AFM images of the produced AAO are presented. The optimum condition of anodizing resulted to the production of AAO template with the pore dimension less than 70 nm. The zinc oxide nanowires were successfully deposited by the Hydro-thermal method. The raw material used in this method has been Zinc Nitrate. The SEM and AFM images of the nanowires are presented, too. To check the piezoelectric characteristics of the zinc oxide nanowires, the AFM microscope is used in contact mode. The scanned area was 5 u5 and the affected force was 2nN. As a result of scanning of each nanowire with conductive AFM tip in contact mode, a voltage peak was visible in 2D voltage image. The mentioned peak was found in -30 mV for each nanowire.
کلیدواژه ها:
anodic aluminum oxide (AAO) template ، ZnO Nanowires ، Hydro-Thermal Method ، piezoelectricity characteristics
نویسندگان
SHIMA MONTAZERINAMIN
Dept. of Mining and Metallurgical Engineering, Amirkabir University of Technology,Tehran,Iran
PIROOZHOVEIDA MARASHI
Dept. of Mining and Metallurgical Engineering, Amirkabir University of Technology, Tehran, Iran
SHAHIYAR SARAMAD
Physics department, Amirkabir University of Technology, Tehran, Iran
ATTY ENEKAHI
Dept. of Mining and Metallurgical Engineering, Amirkabir University of Technology, Tehran, Iran