Volume 32 Issue 2
Jan 2018
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WANG Xiaohong, KONG Lingjie, YAN Honghao. Detonation Synthesis of Ferrous Oxide Doped Silica Coated Iron Nanoparticles[J]. Chinese Journal of High Pressure Physics, 2018, 32(2): 023402. doi: 10.11858/gywlxb.20170546
Citation: WANG Xiaohong, KONG Lingjie, YAN Honghao. Detonation Synthesis of Ferrous Oxide Doped Silica Coated Iron Nanoparticles[J]. Chinese Journal of High Pressure Physics, 2018, 32(2): 023402. doi: 10.11858/gywlxb.20170546

Detonation Synthesis of Ferrous Oxide Doped Silica Coated Iron Nanoparticles

doi: 10.11858/gywlxb.20170546
  • Received Date: 07 Mar 2017
  • Rev Recd Date: 30 Mar 2017
  • In present experiments, nitrate salts, sodium silicate, anhydrous ethanol and RDX were mixed with a certain proportion, and the detonation synthesis of FeO doped silica coating iron nano particles was completed in a closed container with argon as the protection gas.The composition, morphology and magnetic properties of the detonation products were tested by XRD (X-Ray Diffraction), TEM (Transmission Electron Microscope) and VSM (Vibrating Sample Magnetometer), respectively.Experimental results indicate that the metal particles are the core of the detonation products, and the silicon dioxide is the coating of the shell/core structure with the particle size of about 60 nm.And the analysis of the magnetic curve shows that the detonation products present weak ferromagnetism, high remanence and coercivity at room temperature, which should be regarded as an excellent magnetic storage material.

     

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