کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8160820 | 1525112 | 2018 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Synthesis and growth mechanism of sponge-like nickel using a hydrothermal method
ترجمه فارسی عنوان
سنتز و مکانیزم رشد نیکل اسفنجی با استفاده از روش هیدروترمال
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کلمات کلیدی
نیکل، زنجیره ای کوچک، هیدروترمال نانوذرات،
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
چکیده انگلیسی
Sponge-like nickel composed of micro-chains with a diameter of 1-5â¯Î¼m was selectively synthesized by the hydrothermal method, using sodium hydroxide (NaOH) as the alkaline reagent, aqueous hydrazine as reducing agent and citric acid as a coordination agent. The time-dependent samples prepared at different NaOH concentrations were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Fourier transform infrared spectrometer (FTIR). The results showed that the agglomerates of nickel citrate hydrazine complex nanoplates were first precipitated and then reduced to prickly nickel micro-chains at a lower NaOH concentration, which played a role in the further formation of sponge-like nickel. Also, the probable growth mechanism of the sponge-like nickel was proposed. The magnetic properties of sponge-like nickel were studied using a vibrating sample magnetometer. The sponge-like nickel exhibited a ferromagnetic behavior with a saturation magnetization value of 43.8 emu gâ1 and a coercivity value of 120.7â¯Oe.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 537, 15 May 2018, Pages 127-133
Journal: Physica B: Condensed Matter - Volume 537, 15 May 2018, Pages 127-133
نویسندگان
Bin Shao, Xueguo Yin, Weidong Hua, Yilong Ma, Jianchun Sun, Chunhong Li, Dengming Chen, Donglin Guo, Kejian Li,