A modified version of the well-known Cantor’s alloy, the nanocrystalline CoCrCuFeNi high-entropy alloy was subjected to heavy-ion irradiation in situ within a TEM in our most recent study within the field of potential new nuclear materials. The stability of the alloy was investigated in a broad range of irradiation doses and temperature, revealing the nucleation and growth of FeCo ferromagnetic monodomains: the nanomagnets!
In this work, the radiation response of the CoCrCuFeNi HEA reveals the potential of nano-grains to mitigate radiation damage build-up in non-refractory HEAs at low-temperatures, but the lack of thermodynamic stability at high-temperatures is brought into the community’s attention that not all HEAs can be radiation tolerant!
Online now at Nanoscale (Royal Society of Chemistry)
A multi-national joint work between Los Alamos National Laboratory (USA), Oak Ridge National Laboratory (USA), University of São Paulo (Brazil), Montanuniversität Leoben (Austria), University of Tennessee at Knoxville (USA) and University of Huddersfield (United Kindgom).
Materials at Extremes 
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