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Description:

Injecting high-energy heavy ions into solids can create cylindrical damage zones called ion tracks. The most accepted mechanism for ion track formation is the inelastic thermal spike (i-TS) model in which molten regions induced by large energy deposition along the ion trajectories transform to tracks after quenching. However, diamond, which is in a meta-stable state, does not melt with heating but transforms to a stable state (i.e., graphite). While no tracks have ever been observed in diamond, we successfully formed tracks under MeV C60 ion irradiation. Track formation via a non-melting route is presented herein.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: C60, ion track, diamond, cluster ion, swift heavy ion

Date published:

Publisher: The Japan Society of Applied Physics

Journal:

• JSAP Review (ISSN: 24370061) vol. 2025 250206

Funding:

• JSPS 25K08531
• JSPS 22K04990

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.11470/jsaprev.250206

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Updated at: 2025-08-04 16:30:40 +0900

Published on MDR: 2025-08-04 16:17:58 +0900