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US09028716B2 Nitridosilicates co-doped with zirconium and hafnium 有权
硝基硅酸盐共掺锆和铪

Nitridosilicates co-doped with zirconium and hafnium
摘要:
The invention relates to compounds of the formula (I) Ma2-y (Ca,Sr,Ba)1-x-ySi5-zMezN8:Eux Cey (I), where Ma=Li, Na and/or K Me=Hf4+ and/or Zr4+ x=0.0015 to 0.20 and y=0 to 0.15 z
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