Radiation defects in nano-structured materials

H. Ohtsuka; K. Hojou; H. Maeta; H. Otsu; H. Sugai; H. Yamamoto

doi:10.1007/s100530170117

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Atomic, Molecular, Optical and Plasma Physics

Eur. Phys. J. D 16, 309-311 (2001)
https://doi.org/10.1007/s100530170117

Radiation defects in nano-structured materials

H. Ohtsuka¹^a, K. Hojou¹, H. Maeta², H. Otsu¹, H. Sugai¹ and H. Yamamoto¹

¹ Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki, J319-1195 Japan
² Hiroshima Kokusaigakuin Univ., Aki-ku, Hiroshima-shi, J739-0321 Japan

Corresponding author: ^a ohtsuka@popsvr.tokai.jaeri.go.jp

Received: 30 November 2000
Published online: 15 September 2001

Abstract

We investigated defect formation within nanostructured materials using a transmission electron microscope (TEM) and ion accelerators. Controlling diffusion coefficient of the defects we have first observed changes in pattern of defect clusters, namely, the diffusion-limited reaction of defects in nanocrystals.

PACS: 61.46.+w – Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals / 61.80.-x – Physical radiation effects, radiation damage / 66.30.Pa – Diffusion in nanoscale solids

© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2001