Nanometer-scale tunnel formation in metallic glass by helium ion irradiation Academic Article uri icon

abstract

  • We have shown that upon high fluence helium ion irradiation, metallic glass Cu 50Zr 45Ti 5 becomes highly porous at the depth of the helium projected range. The resulting porous region is characterized by the formation of a tunnel like structure and self-linkage of nanometer size gas bubbles. Furthermore, the irradiation leads to the formation of nanometer size Cu xZr y crystals that are randomly distributed. The results of this study indicate that the He-filled bubbles have attractive interactions and experience considerable mobility. Movement of the bubbles is believed to be assisted by ballistic collisions. 2012 American Institute of Physics.

published proceedings

  • APPLIED PHYSICS LETTERS

author list (cited authors)

  • Shao, L., Gorman, B. P., Aitkaliyeva, A., Theodore, N. D., & Xie, G.

citation count

  • 8

complete list of authors

  • Shao, Lin||Gorman, Brian P||Aitkaliyeva, Assel||Theodore, N David||Xie, Guoqiang

publication date

  • July 2012