One-dimensional Co–Cu–Fe–Ni–Zn high-entropy alloy nanostructures

L. P. Pavithra, Chokkakula and Siri Kiran Janardhana, Reddy Kunda and Madhav Reddy, Kolan and Murapaka, Chandrasekhar and Wang, Xiaodong and Dey, Suhash Ranjan (2021) One-dimensional Co–Cu–Fe–Ni–Zn high-entropy alloy nanostructures. Materials Research Letters, 9 (7). pp. 285-290. ISSN 2166-3831

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Abstract

We streamlined a way towards first experimental demonstration of synthesizing one-dimensional Co–Cu–Fe–Ni–Zn high-entropy alloy (HEA) nanowires (NWs) by an economical electrochemical technique in aqueous medium. HEA NWs have a face-centred cubic structure with nanocrystalline features, including twins along the nanowire of uniform length ∼50 µm and diameter 100 ± 20 nm. Control over the formation and uniform stoichiometry (required range for HEAs ∼ 5–35 atom %) throughout the HEA NWs and its nanocrystallinity was achieved using pulse electrodeposition. These Co–Cu–Fe–Ni–Zn nanowires are a new family of HEAs containing both magnetic and non-magnetic elements in addition to its new 1D morphology.

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