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Chinese Journal of High Pressure Physics  > 1996  >  10(3): 176-181 .
LI Hai-Bo, ZHENG Wei-Tao, GONG Jie, ZUO Yun-Tong, YU Rui-Huang. The X-Ray Diffraction Studies of -Fe2O3 Ultrafine Particles Treated by High Pressure[J]. Chinese Journal of High Pressure Physics, 1996, 10(3): 176-181 . doi: 10.11858/gywlxb.1996.03.003
Citation: LI Hai-Bo, ZHENG Wei-Tao, GONG Jie, ZUO Yun-Tong, YU Rui-Huang. The X-Ray Diffraction Studies of -Fe2O3 Ultrafine Particles Treated by High Pressure[J]. Chinese Journal of High Pressure Physics, 1996, 10(3): 176-181 . doi: 10.11858/gywlxb.1996.03.003
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The X-Ray Diffraction Studies of -Fe2O3 Ultrafine Particles Treated by High Pressure

doi: 10.11858/gywlxb.1996.03.003
  • 1.

    Department of Material Science, Jilin University, Changchun 130023, China;

  • 2.

    Department of Physics, Siping Normal College, Siping 136000, China

More Information
  • Corresponding author: LI Hai-Bo
  • Received Date: 18 Mar 1996
  • Rev Recd Date: 19 Jun 1996
  • Publish Date: 05 Sep 1996
    Abstract
  • -Fe2O3 ultrafine particles were prepared with precipitation method and treated by high pressure at various temperatures. The samples were studied by X-ray, TEM and Mossbauer spectroscopy. The results indicate that the high pressure has no obvious influence on the size of microcrystals at room temperature, but the grain size of microcrystals increase greatly at the condition of 4.0 GPa and 400 ℃. Also, the high pressure mainly influences the orientation and lattice distortion of microcrystals.

     

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