Effects of Cu addition to n-type β-FeSi2/Si composite on the Si precipitation and its thermoelectric properties

We investigated the influence of Cu addition to Co-doped β-FeSi 2 /Si thermoelectric material. We expected the addition of Cu to accelerate the eutectoid decomposition of α-Fe 2 Si 5 phase resulting in a finer distribution of Si secondary phase. We added 1 mass% and 2 mass% of Cu followed by the ann...

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