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Abstract <p>Point defects are fundamental imperfections in crystalline materials spontaneously formable from thermal excitations and mediate a wide range of phenomena from phase transformations to semiconductor technologies. Despite their ubiquity and importance, it was not until 1926 that point defects were first postulated by Yakov Frenkel. This issue celebrates the 100-year anniversary of this conceptual breakthrough and the technological impacts from metallurgy, to energy, to quantum technologies it has enabled. This collection of six articles presents a broad (but not exhaustive) snapshot of current research on defects in materials—a mini-preview of the next 100&#xa0;years. </p> Graphical abstract

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Point defects in crystalline materials at 100 years

  • 期刊论文

  • 发表日期：

    2026年5月18日

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  • Michael A. Scarpulla,
  • John L. Lyons,
  • Filip Tuomisto,
  • Elif Ertekin

摘要

Abstract

Point defects are fundamental imperfections in crystalline materials spontaneously formable from thermal excitations and mediate a wide range of phenomena from phase transformations to semiconductor technologies. Despite their ubiquity and importance, it was not until 1926 that point defects were first postulated by Yakov Frenkel. This issue celebrates the 100-year anniversary of this conceptual breakthrough and the technological impacts from metallurgy, to energy, to quantum technologies it has enabled. This collection of six articles presents a broad (but not exhaustive) snapshot of current research on defects in materials—a mini-preview of the next 100 years.

Graphical abstract