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Europium-doped barium thioaluminate sputtering target was synthesized by powder sintering method and thin film was deposited by radio frequency(RF) sputtering.X-ray diffractometer(XRD) pattern indicated that the main compound of the target was BaAl4S7.Oxygen was the main impurity which led to the formation of BaAl2O4.It was shown that both BaAl4S7 and BaAl2S4 were contained in the as-grown thin films and a 471.7 nm emission peak in the PL spectra appeared due to a combination of BaAl4S7:Eu2+ and BaAl2S4:Eu2+.In addition,the product of oxidation in the film was BaSO4 instead of BaAl2O4 and led to an emission peak at 415.2 nm in the PL spectra assigned to the f→f transition of Eu2+ in the BaSO4 host. 相似文献
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氟盐铝热还原法制取海绵钛的研究 总被引:1,自引:0,他引:1
本试验包括二步工艺:(1)用氢氟酸浸出含钛物料偏钛酸制备中间原料氟钛酸盐;(2)以铝为还原剂、锌为载体还原氟钛酸盐。采用该工艺在试验室条件下制备得到了含Ti97.01%的海绵钛。 相似文献
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不同工艺制备的氟化镁材料对真空镀膜的影响 总被引:2,自引:1,他引:1
用三种不同工艺制得的氟化镁为镀膜材料,考察了不同材料的结构对镀膜工艺和薄膜光学性能折射率的影响,并就其影响的原因进行了宏观分析,为选择高质量的镀膜材料提供了理论依据。 相似文献
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介绍了利用磁控溅射和一种液氮冷却装置,制备非晶态WO3薄膜、非晶态LiNbO3薄膜和纳米微晶态NiOx薄膜的有效方法.进而,使用这种液氮冷却装置,采用全程基片冷却方法,制备了单基片无机全固态智能窗--G│ITO│NiOx│LiNbO3│WO3│ITO器件.实验结果表明,在400~800nm的可见光范围内,该器件经过1000次循环后,它的漂白态透射率为63.0%,而着色态透射率为10.6%,这一初步工作表明,基片冷却方法应该是制备有优异性能的无机全固态电致变色智能窗的有效方法. 相似文献
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The preparation
method of Zr(SO4)2*4H2O was described. It involves
following processes zircon fusing with sodium hydroxide, water leaching, sulfuric acid
leaching and product crystallized process, etc. The technical factor and the experimental
data are given. Among the products, the ZrO2 content is 34% and impurities are
less. 相似文献