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dut_ameng專家顧問 (知名作家)
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尚未出頁碼的JACS:單分散的金屬鎳納米立方體的合成及磁性研究 已有15人參與
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This Communication describes the synthesis of highly monodispersed 12 nm nickel nanocubes. The cubic shape was achieved by using trioctylphosphine and hexadecylamine surfactants under a reducing hydrogen atmosphere to favor thermodynamic growth and the stabilization of {100} facets. Varying the metal precursor to trioctylphosphine ratio was found to alter the nanoparticle size and shape from 5 nm spherical nanoparticles to 12 nm nanocubes. High-resolution transmission electron microscopy showed that the nanocubes are protected from further oxidation by a 1 nm NiO shell. Synchrotron-based X-ray diffraction techniques showed the nickel nanocubes order into [100] aligned arrays. Magnetic studies showed the nickel nanocubes have over 4 times enhancement in magnetic saturation compared to spherical superparamagnetic nickel nanoparticles.[ 來自科研家族 納米技術(shù) ] |
Nano&Micro | nano physics&chem | 介孔+微納米材料+DFT計算+熱門資源 | 金屬納米合成 |
金賢重 | 科研啊 努力啊 希望有用啊 |

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