<p>Various theories and hypotheses of crystal nucleation in different conditions and for different chemical substances are considered. Particular attention is paid to the crystallization of metals from melts and the influence of pressure on nucleation. It is shown that the understanding of nucleation processes is progressing, but the existence of a universal mechanism of nucleation for all substances and crystallization conditions is a distant prospect.</p>

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Current state of the problem of crystal nucleation

  • Leonid A. Aslanov,
  • Igor K. Kudryavtsev,
  • Sergey F. Dunaev

摘要

Various theories and hypotheses of crystal nucleation in different conditions and for different chemical substances are considered. Particular attention is paid to the crystallization of metals from melts and the influence of pressure on nucleation. It is shown that the understanding of nucleation processes is progressing, but the existence of a universal mechanism of nucleation for all substances and crystallization conditions is a distant prospect.