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Synthesis and Characterization of NiFe2O4 Magnetic Nanoparticles by Combustion MethodM.Kooti,A.Naghdi SedehChemistry Department, College of Science, Shahid Chamran University摘 要:Magnetic nanoparticles of nickel ferrite (NiFe2O4 ) have been successfully synthesized by microwave-assisted combustion method using stable ferric and nickel salts as precursors......
湿化学法制备超细镍粉的研究进展 袁良生1,万翠凤1,金胜明1,夏志美2 (1.中南大学资源加工与生物工程学院无机材料系,长沙,410083;2.湖南工业大学冶金工程学院,株洲,412000) 摘要:介绍了研究制备球形镍粉,棒状镍粉以及各种纤维状,空心,纳米管等特殊结构和形貌的镍粉的进展,概述了球形镍粉的各种制备方法,包括溶液水合肼还原法,微乳液法,水热和溶剂热法,多元醇还原法等,并对各种方法进行了比较,认为我国当前应加强纳米镍粉的产业化和应用研究方面的研究. 关键词:超细镍粉; 湿化学法还原; 纳米镍粉; ultrafine nickel powder; hydro-chemical reduction; nickel nanoparticles; [全文内容正在添加中] ......
is found to be beneficial for nucleation and growth of nickel. During the electrodeposition process, some nanoparticles are captured effectively on the growing metal surface. As the absorbed nickel atoms... capture some of the absorbed nickel atoms and form nickel-oxygen chemical bond. The new nucleation and growth sites of nickel atoms appear at the interfaces between nanoparticles and metal growing......
Absorption and fluorescence spectra of gallium phosphide(GaP) nanoparticles YUE Long-yi(岳龙义)1, ZHANG Zhao-chun(张兆春)1, CHEN Xu(陈 旭)2 1. School of Materials Science and Engineering, Shanghai... ranging from 200 to 800 nm and fluorescence spectra ranging from 300 to 650 nm of GaP nanoparticles at room temperature were reported. From the optical absorption spectrum it is inferred that the GaP......
Nickel co-deposition with SiC particles at initial stage TAN Cheng-yu(谭澄宇), LIU Yu(刘 宇), ZHAO Xu-shan(赵旭山), ZHENG Zi-qiao(郑子樵) College of Materials Science and Engineering, Central South... on the nucleation and growth of nickel deposition on copper matrix from acid sulphate solution. The surface morphology of Ni-SiC co-deposition at initial stage was observed with scanning electron microscope(SEM......
Trans. Nonferrous Met. Soc. China 27(2017) 369-376 Effect of nickel phosphide nanoparticles crystallization on hydrogen evolution reaction catalytic performance Ya-qiong CHEN1,2, Jin-feng ZHANG1,2...; accepted 3 May 2016 Abstract: In order to investigate the effect of nickel phosphide nanoparticles’ (Ni-P NPs) crystallization on hydrogen evolution reaction (HER) catalytic performance, amorphous Ni-P......
Size and shape effects on Curie temperature of ferromagnetic nanoparticles CAO Ling-fei(曹玲飞)1, XIE Dan(谢 丹)2, GUO Ming-xing(郭明星)3, H.S. Park1, T. Fujita1 1. School of Engineering, University...; Abstract: A simplified model was developed to describe the Curie temperature suppression of ferromagnetic nanoparticles. Based......
Effect of Oxide Assisted Metal Nanoparticles on Microstructure and Morphology of Gallium oxide Nanowires Ki-Won KIM1,Yoo-Young KIM2,Hyo-Jun AHN1,Gyu-Bong CHO1,Kyo-Hong CHOI1,Kwon-Koo CHO1 (1.School... University, Jinju, Korea) 摘要:Several researches have been reported about the characteristic of β-Ga2O3 nanowires which was synthesized on nickel oxide particle. But indeed, recent researches about synthesis......
Microstructure of nickel foam/Mg double interpenetrating composites ZHAO Long-zhi(赵龙志)1, 2, 3, ZHAO Ming-juan(赵明娟)2, LI Na(李 娜)2, YAN Hong(闫 洪)1, ZHANG Jin-song(张劲松)4 1. School of Mechanical... of Sciences, Shenyang 110016, China Received 23 September 2009; accepted 30 January 2010 Abstract: The magnesium matrix double interpenetrating composites reinforced by nickel foam were fabricated......
="ChDivSummary" name="ChDivSummary">Monodispersed Ni nanoparticles were successfully prepared by chemical reduction with hydrazine hydrate in ethylene glycol. The effect of the amount of polyvinylpyrrolidone (PVP-K30) on the preparation of Ni nanoparticles was investigated. X-ray diffraction (XRD), transmis- sion electron microscopy (TEM), and high resolution transmission electron microscopy (HRTEM) were......