Nd3+:NaLa(WO4)2晶体的生长和光学性质

来源 :化学物理学报 | 被引量 : 0次 | 上传用户：n464j7428bh

【摘要】

：

用双坩埚法从高温溶液里生长出线度达7 mm的Nd3+:NaLa(WO4)2晶体.扫描电子显微镜的观察结果表明,虽然在晶体冷却过程中经历了两个相变,但相变并未造成晶体开裂;样品的X射线衍

【作者】

：

陈池来侯永生蔡维理姚连增

【机构】

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中国科学技术大学材料科学与工程系

【出处】

：

化学物理学报

【发表日期】

：

2004年期

【关键词】

：

晶体生长双坩埚法钨酸盐光学性质 Crystal growth Double-crucible method Tungstates Optical prop

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用双坩埚法从高温溶液里生长出线度达7 mm的Nd3+:NaLa(WO4)2晶体.扫描电子显微镜的观察结果表明,虽然在晶体冷却过程中经历了两个相变,但相变并未造成晶体开裂;样品的X射线衍射花样可以看出,所得晶体为纯低温四方相的Nd3+:NaLa(WO4)2.在室温下对晶体的光吸收和光发射作了测量,发现晶体在804 nm有个半高宽达到23 nm的宽吸收峰.计算出晶体在804 nm处的吸收截面为7.24×10-20 cm2,在1057 nm处的发射截面为6.54×10-20 cm2.

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Nd3+:NaLa(WO4)2晶体的生长和光学性质

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