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Method for crystal growth of multi-element oxide thin film containing bismuth as constituent element
Method for crystal growth of multi-element oxide thin film containing bismuth as constituent element
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机译:以铋为构成元素的多元素氧化物薄膜的晶体生长方法
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摘要
A method for crystal growth of a multi-element oxide thin film containing bismuth as a constituent element has setting a growth environment to fall under conditions such that an oxide of bismuth alone will not be formed, but the desired multi-element oxide will be formed; and supplying bismuth in excess of other elements to the growth environment, to prevent the lack of bismuth and evaporate surplus bismuth from the thin film. This method suppresses the formation of different phases or the precipitation of impurities ascribed to the deviation of the proportion of bismuth element from the desired composition, enables a high quality thin film to be grown, and markedly broadens the ranges of the set conditions for the thin film growth temperature and oxidizing gas in comparison with conventional technologies.
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