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- W2220789044 abstract "利用气悬浮方法制备了Nd 3+ /Yb 3+ 共掺La 2 O 3 -TiO 2 -ZrO 2 前驱体玻璃, 通过热处理获得了微晶玻璃。通过DTA对前驱体玻璃的热稳定性进行了研究。利用光致发光谱, TEM和EDS对微晶玻璃进行了表征分析, 并研究了热处理对上转换发光的影响。结果表明: 玻璃转变温度和析晶起始温度分别为799℃和880℃. 在980 nm激光激发下, 样品发射出中心位于497, 523, 545, 603和657 nm处的五条发光带。热处理后样品上转换发光强度提高, 经过880℃保温50 min热处理的微晶玻璃显示了最强的上转换发光, 在545 nm处的发光强度是前驱体玻璃的11倍, 这是由于在微晶玻璃基质中存在致密柱状晶和Nd 3+ 离子在晶体中富集造成的。" @default.
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- W2220789044 date "2013-05-28" @default.
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- W2220789044 title "Nd 3+ /Yb 3+ 共掺La 2 O 3 -TiO 2 -ZrO 2 微晶玻璃的制备及上转换发光研究" @default.
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