Radiation Stability of Fe/Cr and СоFe/Cu Superlattices upon Irradiation with Argon Ions (Е = 10 keV).

Abstract—The magnetoresistive characteristics of magnetic metallic Fe/Cr and Co₉₀Fe₁₀/Cu superlattices subjected to irradiation with accelerated Аr⁺ ion beams with an energy of 10 keV at the fluences F = 10¹³–10¹⁶ cm^–2 are studied in this work. It was found that, at F ≤ 6 × 10¹⁴ cm^–2, the studied superlattices retain their functional characteristics. Causes for a decrease in the magnetoresistance of superlattices with a subsequent increase in the fluence are discussed. It was concluded that the radiation stability of the advanced modern Co₉₀Fe₁₀/Cu superlattices is higher than that of the model Fe/Cr superlattices. [ABSTRACT FROM AUTHOR]