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Multielemental single–atom-thick <i>A</i> layers in nanolaminated V <sub>2</sub> (Sn, <i>A</i> ) C ( <i>A</i> = Fe, Co, Ni, Mn) for tailoring magnetic properties

Youbing LiNingbo Institute of Industrial TechnologyJun LuThin Film Physics Division, Department of Physics, Chemistry, and Biology, Linköping University, SE-581 83 Linköping, Sweden;Mian LiEngineering Laboratory of Advanced Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 315201 Ningbo, Zhejiang, China;Keke ChangNingbo Institute of Industrial TechnologyXian‐Hu ZhaNingbo Institute of Industrial TechnologyYiming ZhangEngineering Laboratory of Advanced Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 315201 Ningbo, Zhejiang, China;Ke ChenEngineering Laboratory of Advanced Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 315201 Ningbo, Zhejiang, China;Per O. Å. PerssonThinfilm (Sweden)Lars HultmanThinfilm (Sweden)Per EklundThinfilm (Sweden)Shiyu DuEngineering Laboratory of Advanced Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 315201 Ningbo, Zhejiang, China;Joseph S. FranciscoDepartment of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6316Zhifang ChaiNingbo Institute of Industrial TechnologyQing HuangNingbo Institute of Industrial Technology
2019en
Ochiq kirishYashil
ABI

Annotatsiya

Significance M n+1 AX n phases are a family of inherently nanolaminated ternary compounds with hexagonal crystal structure (space group P 63 /mmc , 194 ). Here, M is vanadium element, and A is Fe, Co, Ni, Mn, or their binary/ternary/quaternary mixtures. Due to the elemental flexibility at A site, 15 nanolaminated V 2 ( A x Sn 1-x )C MAX phases are synthesized, including 1 high-entropy MAX phase that all Fe, Co, Ni, Mn, and Sn elements simultaneously occupied A site. Tailoring of individual single–atom-thick layers in nanolaminated MAX phases offers atomic-level control of material properties, such as their distinct magnetic behaviors. The alloying in 2-dimensional A layer of MAX phases provides a unique route to design their crystal structure and to discover unexploited properties, which would develop promising functional materials for microelectronic device.

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DOI
10.1073/pnas.1916256117

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