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  • Ball milling: an efficient and green approach for ...

    Author: Ilya N. Egorov, Sougata Santra, Dmitry S. Kopchuk, Igor S. Kovalev, Grigory V. Zyryanov, Adinath Maj...
  • Ball milling in organic synthesis: solutions and ...

    During the last decade numerous protocols have been published using the method of ball milling for synthesis all over the field of organic chemistry. However, compared to other methods leaving their marks on the road to sustainable synthesis (e.g. microwave, ultrasound, ionic liquids) chemistry in ball mills is rather underrepresented in the knowledge of organic chemists.

  • Synthesis of NiFe2O4 nanoparticles by a low temperature ...

    2012-12-3  NiFe2O4, nanoparticles, microwave, ball milling Citation: Chen D, Zhang Y Z. Synthesis of NiFe2O4 nanoparticles by a low temperature microwave-assisted ball milling technique. Sci China Tech Sci, 2012, 55: 1535?1538, doi: 10.1007/s11431-012-4772-2 1 Introduction Nanocrystalline NiFe2O4 is a soft magnetism material with remarkable magnetic properties, such as high magnetoconductivity and

  • Synthesis and Characterization of NiFe2O4

    Journals. Journal of the American Ceramic Society ... Yao, Xiao Zhang, Junfei Ma, Hao Lin, Synthesis and characterization of nickel ferrite nanoparticles via planetary ball milling assisted solid-state reaction, Ceramics ... Shahrzad Majdabadi Farahani, Modified combustion synthesis of Nano-NiFe2O4: Optimization using Taguchi experimental ...

  • Solid State Reaction Synthesis of NiFe2O4

    The planetary ball milling assisted solid-state reaction technique is considered to be a simple and effective synthesis method for NiFe2O4 and other interesting nanomaterials. View Show abstract

  • High energy mechanical milling synthesis of NiFe2O4 ...

    The mechanochemical synthesis (synthesis induced by a high-energy ball-milling process) of zinc ferrite from zinc oxide and iron oxide powders at room temperature is presented.

  • Speeding Up Your Organic Synthesis with Ball Mills

    a milling material: agate, 20 min, 800rpm ≙ 13.3 Hz. b 20 min at 20 °C with maximal power input. c 60 in at 80 °C. d 30 min at 80 °C, maximal power input = 300 W.. The effective transfer of energy from the power socket into a product of interest has been proven for a number of examples. When different ball mills are compared with respect to their gross power input and the degree of ...

  • Synthesis and characterization of the NiFe2O4/Ni3Fe ...

    2013-11-15  The nanocomposite powder of NiFe 2 O 4 /Ni 3 Fe type was obtained by mechanical milling of the nanocrystalline NiFe 2 O 4 with the 20 wt.% of the nanocrystalline Ni 3 Fe. A high energy planetary ball mill Fritsch Pulverisette 4 model was used. The milling time was 15 min, and the milling

  • Nanocrystalline Nickel Ferrite, NiFe2O4:

    2007-3-9  Nickel ferrite (NiFe2O4) nanoparticles with an average crystallite size of about 8.6 nm were prepared by mechanochemical synthesis (mechanosynthesis). In-field Mössbauer spectroscopy and high-resolution TEM studies revealed a nonuniform structure of mechanosynthesized NiFe2O4 nanoparticles consisting of an ordered core surrounded by a disordered grain boundary (surface) region.

  • ball milling technique nanoparticle synthesis

    high energy ball milling for nanoparticle synthesis . Synthesis Of Zns Nanoparticle By Ball Milling (2012) in the synthesis of ZnS nanoparticle in a 10 h milling operation [43](2012) prepared Sm2Co17 nanoparticles by surfactant assisted high energy ball milling from SmCo5 precursors where oleic acid and oleylamine were used as a surfactant

  • Parametric optimization of NiFe2O4 nanoparticles ...

    Abstract In this study, the Taguchi robust design method is used for optimizing ball milling parameters including milling time, rotation speed and ball to powder weight ratio in the planetary ball milling of nanostructured nickel ferrite powder. In fact, the current work deals with NiFe2O4 nanoparticles mechanochemically synthesized from NiO and Fe2O3 powders. The Taguchi robust design ...

  • Xiao Zhang's research works Northeastern University ...

    An effective synthesis method is reported for magnetic nickel ferrite (NiFe2O4) nanoparticles involving planetary ball milling assisted solid-state reaction process.

  • Formation and Characterization of NiFe2O4 - CORE

    The samples were studied by X-ray diffraction, Fourier transform IR spectroscopy and 57Fe Mčssbauer spectroscopy. Ball-milling of NiFe204 caused a decrease of hyperfine magnetic fields corresponding to Fe3+ ions in tetrahedral and octahedral sites, an increase of the Mossbauer spectral line widths, as well as a slight increase of isomer shifts.

  • The effect of Ni/Fe ratio on the physical properties of ...

    2019-5-21  Lemine et al have prepared Ni-doped α-Fe 2 O 3 by ball milling technique; they noticed that the nickel ferrite phase starts to be formed beyond the mixture of 10% Ni in α-Fe 2 O 3 hematite powder. The crystallite size in any phase is estimated using Debye–Scherrer formula. The calculated values are reported in table 1. The hematite phase in ...

  • Synthesis, Structural and Magnetic Properties of

    Synthesis, Structural and Magnetic Properties of Copper Substituted Nickel Ferrites by Sol-Gel Method () Gopathi Ravi Kumar , Katrapally Vijaya Kumar , Yarram Chetty Venudhar DOI: 10.4236/msa.2012.32013 PDF HTML XML 7,828 Downloads 15,233 Views Citations

  • Recent Progress in Metal–Organic Frameworks and

    Huazhong Liu, Xiaolan Wang, Zhigao Lan, Cryogenic ball milling synthesis of Ag3PO4/h-BN nanoparticles with increased performance for photocatalytic oxygen evolution reaction, Ceramics International, 10.1016/j.ceramint.2019.05.117, (2019).

  • Magnetic properties of nanostructured CuFe2O4 -

    1999-1-1  The structural evolution and magnetic properties of nanostructured copper ferrite, CuFe 2 O 4, have been investigated by x-ray diffraction, Mössbauer spectroscopy, and magnetization measurements.Nanometre-sized CuFe 2 O 4 particles with a partially inverted spinel structure were synthesized by high-energy ball milling in an open container with grain sizes ranging from 9 to 61 nm.

  • Graphene‐supported nickel ferrite: A magnetically ...

    A straightforward strategy is designed for the fabrication of a magnetically separable NiFe 2 O 4 ‐graphene photocatalyst with different graphene content. It is very interesting that the combination of NiFe 2 O 4 nanoparticles with graphene sheets results in a dramatic conversion of the inert NiFe 2 O 4 into a highly active catalyst for the degradation of methylene blue (MB) under visible ...

  • IET Digital Library: Paederia foetida Linn. promoted ...

    A facile method of synthesis of cobalt ferrite (CoFe2O4) and nickel ferrite (NiFe2O4) nanoparticles (NPs) was developed using urea as a hydroxylating agent and Paederia foetida Linn. (family: Rubiaceae) leaf extract as a bio-template. The synthesised ferrite NPs were characterised in a detailed manner by powder X-ray diffraction (XRD), transmission electron microscopy, Fourier transform ...

  • CvPage - Seyed Ali Seyed Ebrahimi

    Papers in National Journals. Mehdi Ghobeyti Habs , Seyed Ali Seyed Ebrahimi, and Ali Reza Badiei. "Study of the optimum calcinations temperature for the synthesis of strontium hexaferrete magnetic ceramic nanopowder by a sol - gel auto combustion method in the presence of cationic surfactant."

  • Recent Progress in Metal–Organic Frameworks and

    Huazhong Liu, Xiaolan Wang, Zhigao Lan, Cryogenic ball milling synthesis of Ag3PO4/h-BN nanoparticles with increased performance for photocatalytic oxygen evolution reaction, Ceramics International, 10.1016/j.ceramint.2019.05.117, (2019).

  • NiCo nanoalloy encapsulated in graphene layers for ...

    NiCo nanoalloy (4–6 nm) encapsulated in grapheme layers ([email protected]) has been prepared by thermolysis of a 3D bimetallic complex CoCo[Ni(EDTA)]24H2O and successfully employed as a catalyst to ...

  • Exchange-biased NiFe2O4/NiO nanocomposites

    Co/NiO or Co/FeS core/shell nanostructures have also been fabricated using a ball milling method [35]. The exchange bias effect has also been used to improve the magnetic stability of ferrite nanoparticles and various different heterogeneous FM spinel ferrite/AFM oxide systems with different structures have been developed by a variety of ...

  • IET Digital Library: Paederia foetida Linn. promoted ...

    A facile method of synthesis of cobalt ferrite (CoFe2O4) and nickel ferrite (NiFe2O4) nanoparticles (NPs) was developed using urea as a hydroxylating agent and Paederia foetida Linn. (family: Rubiaceae) leaf extract as a bio-template. The synthesised ferrite NPs were characterised in a detailed manner by powder X-ray diffraction (XRD), transmission electron microscopy, Fourier transform ...

  • Influence of Milling Time on Structural and ...

    2018-7-6  This paper reports on the electromagnetic properties of manganese doped cobalt ferrite nanoparticles, synthesized via solid state reaction route using the planetary ball milling technique at different milling time (8h and 12h)in order to tune the material for applications in high frequency as well as microwave devices. The XRD patterns show the cubic spinel structure of the material.

  • Bifunctional non-noble metal oxide nanoparticle ...

    2015-6-23  CNF synthesis Polyacrylonitrile (0.5 g, PAN, M w =150,000, Sigma-Aldrich) and 0.5 g polypyrrolidone (PVP, M w =1,300,000, Sigma-Aldrich) were

  • CvPage - Seyed Ali Seyed Ebrahimi

    Papers in National Journals. Mehdi Ghobeyti Habs , Seyed Ali Seyed Ebrahimi, and Ali Reza Badiei. "Study of the optimum calcinations temperature for the synthesis of strontium hexaferrete magnetic ceramic nanopowder by a sol - gel auto combustion method in the presence of cationic surfactant."

  • Ceramics International 2019-20最新影响指数 - 即时预测 ...

    Ceramics International - 影响因子 Ceramics International的2019年影响因子 为 3.640 (2020年最新数据)。 与历年影响因子数据相比,Ceramics International 2019年影响因子上升了 14.11 % 。 2019-20年Ceramics International的最新影响因子分区 为 1区。 影响因子现已成为国际上通用的期刊评价指标,它不仅是一种测度期刊有用性和 ...

  • Synthesis and structural investigation of -Fe3_图文_百度文库

    2015-1-12  Nitridation reaction also occurs during ball milling of a stoichiometric mixture of a-Fe powder and highly reactive complex amine compounds such as piperazine, pyrazine and pyrazole [12]. Nitridation of a-Fe particles leads to a variety of phases a, g, g0 , 3, x, a0 and a00 [13]. a-phase is the solid solution based on bcc a-Fe.

  • Journal of Alloys and Compounds 2019-20最新影响指数 ...

    2019-2020 Journal of Alloys and Compounds 影响指数是 4.350。 50%的科学家预测 Journal of Alloys and Compounds 2020-21影响指数将在此 4.0 ~ 4.5 范围内。 Journal of Alloys and Compounds的最新影响指数分区 為1区。