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The behavior of amorphous alloys under swift heavy ion irradiation at room temperature

Didyk A., Hofman A., Savin V., Semina V., Hajewska E., Szteke W., Starosta W.

Nukleonika

2005

Vol. 50, nr 4

149-152

Experimental results of irradiation effects by heavy ions with high inelastic energy losses at the surfaces of some amorphous alloys are presented. It was shown that all studied alloys strongly swelled: up to 15% for Ni58Nb42 under irradiation with the 305 MeV 86Kr ion at a fluence of 1015 ion/cm2. Besides, the sputtering (evaporation) process takes place, too. Calculations of the temperatures on the ion trajectory axis were presented. It was shown that the calculated temperatures are higher than the melting temperature and the evaporation temperature, too. From these findings we can conclude that the sputtering (evaporation) of atoms in amorphous alloys is present.