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Mi-Jin, Jin
다차원 탄소재료 연구단
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Crossover from weak anti-localization to weak localization in inkjet-printed Ti3C2Tx MXene thin-film

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Title
Crossover from weak anti-localization to weak localization in inkjet-printed Ti3C2Tx MXene thin-film
Author(s)
Mi-Jin Jin; Doo-Seung Um; Osarenkhoe Ogbeide; Chang-Il Kim; Jung-Woo Yoo; J. W. A. Robinson
Publication Date
2022-09
Journal
ADVANCES IN NANO RESEARCH, v.13, no.3, pp.259 - 267
Publisher
TECHNO-PRESS
Abstract
Two-dimensional (2D) transition metal carbides/nitrides or "MXenes" belong to a diverse-class of layered compounds, which offer composition- and electric-field-tunable electrical and physical properties. Although the majority of the MXenes, including Ti3C2Tx, are metallic, they typically show semiconductor-like behaviour in their percolated thin-film structure; this is also the most common structure used for fundamental studies and prototype device development of MXene. Magnetoconductance studies of thin-film MXenes are central to understanding their electronic transport properties and charge carrier dynamics, and also to evaluate their potential for spin-tronics and magnetoelectronics. Since MXenes are produced through solution processing, it is desirable to develop deposition strategies such as inkjet-printing to enable scale-up production with intricate structures/networks. Here, we systematically investigate the extrinsic negative magnetoconductance of inkjet-printed Ti3C2Tx MXene thin-films and report a crossover from weak anti-localization (WAL) to weak localization (WL) near 2.5 K. The crossover from WAL to WL is consistent with strong, extrinsic, spin-orbit coupling, a key property for active control of spin currents in spin-orbitronic devices. From WAL/WL magnetoconductance analysis, we estimate that the printed MXene thin-film has a spin orbit coupling field of up to 0.84 T at 1.9 K. Our results and analyses offer a deeper understanding into microscopic charge carrier transport in Ti3C2Tx, revealing promising properties for printed, flexible, electronic and spin-orbitronic device applications.
URI
https://pr.ibs.re.kr/handle/8788114/12857
DOI
10.12989/anr.2022.13.3.259
ISSN
2287-237X
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
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