Journal
PHYSICAL REVIEW B
Volume 97, Issue 24, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.97.241409
Keywords
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Funding
- NSERC Discovery grant [RGPIN-2017-03815]
- Canada First Research Excellence Fund
- National Key Research and Development Program [2016YFA0300404]
- National Nature Science Foundation of China [11674326]
- Joint Funds of the National Natural Science Foundation of China
- Chinese Academy of Sciences' Large-Scale Scientific Facility [U1432139]
- Key Research Program of Frontier Sciences of CAS [QYZDB-SSW-SLH015]
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We use both classical magnetotransport and quantum oscillation measurements to study the thickness evolution of the extremely large magnetoresistance (XMR) material and type-II Weyl semimetal candidate gamma-MoTe2, protected from oxidation. We find that the magnetoresistance is systematically suppressed with reduced thickness. This occurs concomitantly with both a decrease in carrier mobility and increase in electron-hole imbalance. We model the two effects separately and conclude that the XMR effect is more sensitive to the former.
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