希土离子取代对Eu2+发光的影响 |
EFFECT OF SUBSTITUTION OF RARE EARTH IONS ON THE LUMINESCENCE OF Eu2+ |
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摘要: 研究了具有磁铅矿和β-Al2O3结构的多铝酸盐基质中希土离子取代对Eu2+发光的影响。结果表明希土离子取代对Eu2+的发射峰位置和强度产生了较大变化,特别在磁铅矿基质中,这种影响更为显著。通过离子取代规则,获得了新的组成并具有β-Al2O3结构和磁铅矿结构的荧光体。 |
关键词: 多铝酸盐 希土离子 铕 取代 光谱 |
基金项目: |
Abstract: Substitution of the cations with rare earth ions in the polyaluminates with beta-alumina and magnetoplumbite structures was studied. The photoluminescent study on Eu2+ doped materials shows that the absorption band, emission spectra and emission intensity depend strongly on the substitutions, especially in the magnetoplumbites. The new phosphors with beta-alumina and magnetoplumbite structure are obtained with the aid of ionic substitution law. |
Keywords: polyaluminates rare earth ions europium(Ⅱ) substitution spectra |
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刘应亮,冯德雄,石春山.希土离子取代对Eu2+发光的影响[J].无机化学学报,1999,15(3):371-376. |
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