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Size control of L12-FePt3 nanocrystals by spin-coating method | ||
| Journal of Theoretical and Applied Physics | ||
| مقاله 10، دوره 10، شماره 3، آذر 2016، صفحه 251-257 اصل مقاله (1.65 M) | ||
| شناسه دیجیتال (DOI): 10.1007/s40094-016-0223-y | ||
| نویسندگان | ||
Zahra Bamshad؛ Seyed Ali Sebt  ؛ Mohammad Reza Abolhassani
| ||
| Department of Physics, Science and Research Branch, Islamic Azad University | ||
| چکیده | ||
| AbstractAnnealing is one of the stages of FePt nanoparticles preparation, during which the transition to a compositionally ordered phase occurs. In order to size and shape control of the nanoparticles in the mentioned stage, it is needed that they be distributed on a suitable surface. In the present work, the spin-coating method is suggested for preparing monolayer from L12-FePt3 nanoparticles colloidal solution on SiO2/Si substrates. FePt3 nanoparticles were gradually deposited as droplets on the center of a 500 rpm rotating substrate. This step was performed in hexane vapor atmosphere without any stopping time. The analyses revealed that a uniform surface distribution was formed so that, after annealing at 600 °C for 1 h the 6.1 nm L12-FePt3 nanoparticles were spherical in shape with standard deviation of 1.5 nm. | ||
| کلیدواژهها | ||
| Spin coating؛ FePt nanoparticle؛ Polyol method؛ Monolayer | ||
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آمار تعداد مشاهده مقاله: 45 تعداد دریافت فایل اصل مقاله: 38 |
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