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Salehi, Mina, Marashi, Pirooz, Salehi, Maryam, Ghannad, Reza. (1393). Optimization of the FeCo nanowire fabrication embedded in anodic aluminum oxide template by response surface methodology. , 47(1), 27-35. doi: 10.7508/jufgnsm.2014.01.005
Mina Salehi; Pirooz Marashi; Maryam Salehi; Reza Ghannad. "Optimization of the FeCo nanowire fabrication embedded in anodic aluminum oxide template by response surface methodology". , 47, 1, 1393, 27-35. doi: 10.7508/jufgnsm.2014.01.005
Salehi, Mina, Marashi, Pirooz, Salehi, Maryam, Ghannad, Reza. (1393). 'Optimization of the FeCo nanowire fabrication embedded in anodic aluminum oxide template by response surface methodology', , 47(1), pp. 27-35. doi: 10.7508/jufgnsm.2014.01.005
Salehi, Mina, Marashi, Pirooz, Salehi, Maryam, Ghannad, Reza. Optimization of the FeCo nanowire fabrication embedded in anodic aluminum oxide template by response surface methodology. , 1393; 47(1): 27-35. doi: 10.7508/jufgnsm.2014.01.005

Optimization of the FeCo nanowire fabrication embedded in anodic aluminum oxide template by response surface methodology

Journal of Ultrafine Grained and Nanostructured Materials
مقاله 5، دوره 47، شماره 1، شهریور 2014، صفحه 27-35    اصل مقاله (959.44 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.7508/jufgnsm.2014.01.005
نویسندگان
Mina Salehi* 1؛ Pirooz Marashi2؛ Maryam Salehi3؛ Reza Ghannad2
1Department of Mining and Metallurgical Engineering, Amirkabir University of Technology, Tehran, Iran.
2Department of Mining and Metallurgical Engineering, Amirkabir University of Technology, Tehran, Iran
3Center of Excellence for High Strength Alloys Technology (CEHSAT), School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Tehran, Iran
چکیده
Anodic aluminum oxide (AAO) fabricated by two step anodization technique, is used as a template to synthesize FeCo nanowire arrays by AC electrodeposition technique. Response surface methodology (RSM) is applied to design the experiments, fit an empirical model and optimize the conditions to achieve the best magnetic properties. The magnetic properties, pore dimensions, composition and structure of the nanowires are characterized through alternating gradient force magnetometer (AGFM), scanning electron microscopy (SEM), scanning probe microscopy (SPM), energy dispersive spectoroscopy (EDS) and X-ray diffraction (XRD), respectively. The effects of annealing temperature (Ta), Fe concentration (C), the pH of the deposition solution (pH) and electrodeposition temperature (Td) on the magnetic properties are investigated. Maximum experimental coercivity field (Hc = 191.4 KA/m) is obtained in the following conditions: Ta = 550 °C; C = 50 wt%; pH = 6; Td = 40 °C. The optimum values to obtain maximum predicted coercivity field (Hc = 195.5 KA/m) are predicted with a statistical technique as: Ta = 575 °C; C = 50.3 wt%; pH = 6; Td = 39 °C. Moreover, the results show that Td2 and Ta are the most important parameters affecting coercivity field. XRD results show that the crystal structure of nanowires is BCC with (1 1 0) preferred orientation along the nanowire axis.
کلیدواژه‌ها
Nanowires؛ Electrodeposition؛ Anodic aluminum oxide؛ Coercivity field؛ Response Surface Methodology
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