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<p>It is shown that a spiral wrapping a noncrystallographic spiral is a universal building unit for a wide class of structures from metals to polymers. The noncrystallographic symmetry of such a unit makes it possible to describe adequately the features of an actual configuration of such structures. Theoretical and experimental data are used to describe the structure of metallic glasses as a random packing of close-packed tetrahedral spirals instead of the traditional random packing of atoms.</p>

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Spiral Wrapping a Noncrystallographic Spiral: A Universal Building Unit for a Wide Range of Structures from Metals to Polymers

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • A. L. Talis,
  • V. S. Kraposhin

摘要

It is shown that a spiral wrapping a noncrystallographic spiral is a universal building unit for a wide class of structures from metals to polymers. The noncrystallographic symmetry of such a unit makes it possible to describe adequately the features of an actual configuration of such structures. Theoretical and experimental data are used to describe the structure of metallic glasses as a random packing of close-packed tetrahedral spirals instead of the traditional random packing of atoms.