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Journal article
Variable range hopping and thermally activated transport in molybdenum-based MXenes
Physical review. B, v 98(10), p104202
10 Sep 2018
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The magnetotransport of freestanding, vacuum filtered, thin films of Mo2CTz, Mo1.33CTz, Mo2TiC2Tz, and Mo2Ti2C3Tz was measured in the 10-300-K temperature (T) range. Some of the films were annealed before measuring their transport properties. Analysis of the results suggest that-with the exception of the heavily defective Mo1.33CTz composition-in the 10- to 200-K temperature regime, variable range hopping between individual MXene sheets is the operative conduction mechanism. For Mo1.33CTz it is more likely that variable range hopping within individual flakes is rate limiting. At higher temperatures, a thermally activated process emerges in all cases. It follows that improved fabrication processes should lead to considerable improvements in the electrical transport of Mo-based MXenes.
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Details
- Title
- Variable range hopping and thermally activated transport in molybdenum-based MXenes
- Creators
- Joseph Halim - Linköping UniversityEun Ju Moon - Drexel UniversityPer Eklund - Linköping UniversityJohanna Rosen - Linköping UniversityMichel W. Barsoum - Drexel UniversityThierry Ouisse - Grenoble Alpes University
- Publication Details
- Physical review. B, v 98(10), p104202
- Publisher
- Amer Physical Soc
- Number of pages
- 11
- Grant note
- JTC 2-17 / Flag-ERA EM16-0004 / Stiftelsen fr Strategisk Forskning (SSF) Program UGA Nanosciences Foundation, Grenoble, France 2015.0043 / Knut and Alice Wallenberg (KAW) Foundation; Knut & Alice Wallenberg Foundation
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000444204500005
- Scopus ID
- 2-s2.0-85053177414
- Other Identifier
- 991019167897404721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary
- Physics, Applied
- Physics, Condensed Matter