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首页> 外文期刊>Journal of Crystal Growth >Character of change in the work of nucleation of β-quartz, diamond, and aluminum hydride (α-AlH_3) crystals in homogeneous media
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Character of change in the work of nucleation of β-quartz, diamond, and aluminum hydride (α-AlH_3) crystals in homogeneous media

机译：在均质介质中β石英，金刚石和氢化铝（α-AlH_3）晶体的成核功变化特征

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摘要

The model for homogeneous nucleation of covalent crystals has been developed, which considers the nuclei ranging from n to n×10~2 atoms and uses the noncontinuous calculations. The critical size of a nucleus depends stepwisely on the supersaturation. The mass crystallization processes are to yield product of stalbe condition in the wide ranges of supersaturation. The process and product change derastically on the borders of the ranges. The local minimums in the relationhsip between the free energy of nucleus and its size are evidently observed. Such stable nuclei are the building units which can condense to form the new phase.
机译：建立了共价晶体均匀成核的模型，该模型考虑了n到n×10〜2原子范围内的原子核，并使用了非连续计算。原子核的临界尺寸逐步取决于过饱和度。大量结晶过程是为了在较宽的过饱和度范围内产生斯泰伯条件的产物。过程和产品在范围的边界上发生了巨大的变化。显然可以观察到原子核自由能与其大小之间的关系最小值。这样稳定的原子核是可以凝结形成新相的构建单元。

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