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Abstract
The change in the electrical resistivity of 2605SC (Fe81B13.5Si3.5C2) and 2705M (Co69B12Si12Fe4Mo2Ni1) metallic glasses (MGs) resulting from 130 MeV 28Si ion irradiation has been investigated. Resistivity as a function of temperature has been measured off-line and in situ before and after irradiation, and on-line as a function of ion fluence. The results show that for the 2605SC MG electrical resistivity increases by 5.2% (fluence = 3.7 × 1014 ions/cm2) and 4.5% (fluence = 1.6 × 1014 ions/cm2). This has been explained on the basis of the ‘two-hit model’. For the 2705M MG, however, an unexpected decrease of electrical resistivity of about –9.6% (fluence = 1.1 × 1016 ions/cm2) and –8.7% (1.3 × 1014 ions/cm2) is observed, which has been attributed to irradiation-induced structural modification. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
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