کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1653886 1007675 2006 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The synthesis of octahedral nanoparticles of magnetite
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
The synthesis of octahedral nanoparticles of magnetite
چکیده انگلیسی

This work presents an efficient method of largely synthesizing octahedral magnetite nanoparticles. Without any surfactant, octahedral magnetite nanoparticles were successfully achieved by means of an oxidation–precipitation method with ferrous sulfate as starting material, which was pro rata oxidized to ferric salts by NaNO3 after alkalinizing with NaOH. XRD, TEM, SEM, ICP and VSM techniques were used to characterize the sample obtained by the above method. Experimental results indicate that the average size of particles is about 60–80 nm with a narrow size distribution and nanoparticles prepared show themselves in regular octahedral figures. The sample synthesized by the above method is in good crystalline state with good magnetic properties.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Letters - Volume 60, Issue 24, October 2006, Pages 2998–3001
نویسندگان
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