Presentation Information

[15p-W9_325-8]Observation of Filamentary Superconductivity in Ti3C2Tx Thin Films

〇(B)Kento Yoshigoe1, Junei Kobayashi1, Takashi Nakajima1, Kazuyasu Tokiwa2, Nobuaki Miyakawa1 (1.TUS, App. Phys., 2.TUS, Appl. Elec.)

Keywords:

superconductivity

MXenes, two-dimensional layered transition metal carbides and nitrides, exhibit high electrical conductivity and excellent hydrophilicity, making them promising materials for next-generation electronics. While superconductivity in this family has been reported for α-Mo2C and Nb-based MXenes, it has only been observed in Ti-based MXenes—the most extensively studied class—via electrochemical intercalation. To date, superconductivity in pure Ti3C2Tx has not been observed.In this study, we observed a zero-resistance transition at 8.0 K in thin films fabricated from Ti3C2Tx aqueous dispersions without intentional doping. In this presentation, we will discuss the origin of the observed filamentary superconductivity based on electrical and magnetic characterizations, as well as structural comparisons between superconducting and non-superconducting samples using X-ray diffraction (XRD).