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Abstract:
一种生长CaxBa1-xNb2O6系列晶体的方法属于晶体生长领域。将粉料CaCO3、BaCO3和Nb2O5按CaxBa1-xNb2O6化学计量比进行配料,其中x=0.22、0.25、0.28、0.32或0.35,球磨烘干、200目过筛;预烧,再次球磨、烘干,80目过筛;将粉料装入长条橡胶气球中压实封闭,抽真空,等静压下制成粗细、密度均匀的素坯棒;将素坯棒在提拉旋转烧结炉中烧结得到致密均匀多晶料棒;将多晶料棒置于浮区炉中,以60~100℃/min的速率升温至料棒和籽晶融化,对接;设置晶体生长速度为2~5mm/h开始生长后冷却至室温。本发明首次用光学浮区法生长出直径为6~8mm、长50~115mm无宏观缺陷的CaxBa1-xNb2O6晶体,成晶质量高,简化了工艺,效率高。
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Patent Info :
Type: 发明授权
Patent No.: CN201110308500.8
Filing Date: 2011-10-12
Publication Date: 2013-10-23
Pub. No.: CN102358954B
Applicants: 北京工业大学
Legal Status: 未缴年费
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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