根据焦绿石结晶化学原理,研究了Bi2O3-ZnO-Nb2O5(BZN)系中焦绿石的相结构与分布用淬冷技术保持样品的高温相结构,用粉末X-射线衍射技术(XRD)分析相组成与相结构得到了BZN系中两种焦绿名单相(立方相α和正交相β和α-β复相分布的等温相图,并探讨了该系统中焦绿石立方相和正交相之间的α-β位移式相变的机理
The pyrochlore structure and phase distribution in Bi2O3-ZnO-Nb2O5(BZN) system were investigated. According to the principles of the crystal chemistry of pyrochlore, the possible pyrochlore area in BZN system was selected for study. The samples were quenc
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