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Tuning the Magnetic Properties of Two-Dimensional MXenes by Chemical Etching

preprint
submitted on 05.01.2021, 20:24 and posted on 06.01.2021, 11:04 by Kemryn Allen-Perry, Weston Straka, Danielle Keith, Shubo Han, C. Lewis Reynolds, Bhoj Gautam, Daniel Autrey
Two-dimensional materials based on transition metal carbides have been intensively studied due to their unique properties including metallic conductivity, hydrophilicity, and structural diversity and have shown great potential in several applications. While MXenes based on magnetic transition elements show interesting magnetic properties, not much is known about the magnetic properties of titanium-based MXenes. Here, we measured magnetic properties of Ti3C2Tx MXenes synthesized by different chemical etching conditions. Our measurements indicate that there is a paramagnetic–antiferromagnetic (PM-AFM) phase transition, and the transition temperature depends on the synthesis procedure of MXenes. Our observation indicates that the magnetic properties of these MXenes can be tuned by the extent of chemical etching which can be beneficial for the design of MXene-based spintronic devices.

History

Email Address of Submitting Author

dautrey@uncfsu.edu

Institution

Fayetteville State University

Country

United States

ORCID For Submitting Author

0000-0002-8008-5248

Declaration of Conflict of Interest

No conflict of interest

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ChemRxiv

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