本文运用负离子配位多面体生长基元理论模型讨论了KNbO3,β-SiO2和雪花枝蔓晶的形成机理,提出了枝蔓晶的结晶形态和对称性与晶体中的负离子配位多面体相互联结时的稳定方面密切相关.枝蔓晶是在远离晶体生长平衡态的条件下,以负离子配位多面体为生长基元,相互按照最稳定的联结方位延伸的.
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