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Phosphor and vacumm ultraviolet excited light emitting element
Phosphor and vacumm ultraviolet excited light emitting element
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机译：磷和真空紫外激发发光元件
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摘要
The present invention provides a phosphor comprising at least one selected from the group consisting of Si and Ge, and Eu as an activator, and ratio R of not less than 40%, wherein the ratio R is calculated by entering value of [a] being peak amplitude derived from Eu2+ and value of [b] being peak amplitude derived from Eu3+ in primary differential pattern of an X-ray absorption near edge structure spectrum into the following equation (1). R(%)=(a/(a+b))×100 (1)
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机译：本发明提供了一种磷光体，其包括选自Si和Ge以及Eu作为活化剂的至少一种，并且比率R不小于40％，其中比率R通过输入[a]的值来计算。由Eu 2 + 得出的峰值幅度和[b]的值是由Xu吸收到边缘结构光谱附近的X射线的一次微分模式中从Eu 3 + 得出的峰值幅度下式（1）。<？in-line-formulae description =“ In-line Formulae” end =“ lead”？> R（％）=（ a /（ a + b ）） ×100（1）<？in-line-formulae description =“行内公式” end =“ tail”？>
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