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    ZnWO4:Cr3+的组分和晶胞参数研究

    Study on the Composition and Lattice Constauts of ZnWO4: Cr3+

      摘要
    • 摘要: 用光谱法测定了不同掺杂浓度的ZnWO4:Cr3+体系中Cr3+离子的有效分凝系数;利用X射线分析研究了不同组分的ZnWO4:Cr3+晶体的晶胞参数变化;确定在掺Cr2O3量为0.05%时,晶胞体积最小。

       

      Abstract: The efficient distribution coefficient of Cr3+ ion in ZnWO4: Cr3+ system under different dopping concentrations have been investigated by emission spectroscopy method, it changes from k<1 to k>1, when the dopped Cr2O3 is about 0.05%(wt). At that dopping level, the volume of the unit cell of ZnWO4: Cr3+ measured by X-ray analysis is the minimum.

       

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