An advancement in the synthesis of unique soft magnetic CoCuFeNiZn high entropy alloy thin films

Pavithra, Chokkakula L. P. and Janardhana, Reddy Kunda Siri Kiran and Reddy, Kolan Madhav and Murapaka, Chandrasekhar and Joardar, Joydip and Sarada, Bulusu V. and Tamboli, Rameez R. and Hu, Yixuan and Zhang, Yumeng and Wang, Xiaodong and Dey, Suhash Ranjan (2021) An advancement in the synthesis of unique soft magnetic CoCuFeNiZn high entropy alloy thin films. Scientific Reports, 11 (1). ISSN 2045-2322

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Discovery of advanced soft-magnetic high entropy alloy (HEA) thin films are highly pursued to obtain unidentified functional materials. The figure of merit in current nanocrystalline HEA thin films relies in integration of a simple single-step electrochemical approach with a complex HEA system containing multiple elements with dissimilar crystal structures and large variation of melting points. A new family of Cobalt–Copper–Iron–Nickel–Zinc (Co–Cu–Fe–Ni–Zn) HEA thin films are prepared through pulse electrodeposition in aqueous medium, hosts nanocrystalline features in the range of ~ 5–20 nm having FCC and BCC dual phases. The fabricated Co–Cu–Fe–Ni–Zn HEA thin films exhibited high saturation magnetization value of ~ 82 emu/g, relatively low coercivity value of 19.5 Oe and remanent magnetization of 1.17%. Irrespective of the alloying of diamagnetic Zn and Cu with ferromagnetic Fe, Co, Ni elements, the HEA thin film has resulted in relatively high saturation magnetization which can provide useful insights for its potential unexplored applications.

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IITH Creators:
IITH CreatorsORCiD
Janardhanan, R.K.S.K.UNSPECIFIED
Dey, Suhash Ranjan
Item Type: Article
Uncontrolled Keywords: synthesis, magnetic CoCuFeNiZn, high entropy alloy thin films
Subjects: Materials Engineering > Materials engineering
Materials Engineering > Nanostructured materials, porous materials
Materials Engineering > Composite materials
Divisions: Department of Material Science Engineering
Depositing User: . LibTrainee 2021
Date Deposited: 25 Jun 2021 07:32
Last Modified: 25 Jun 2021 07:32
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