Journal
SCIENCE ADVANCES
Volume 6, Issue 6, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aay6407
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Funding
- NSF through the Princeton Center for Complex Materials, a Materials Research Science and Engineering Center [DMR-1420541]
- Arnold and Mabel Beckman foundation
- MURI grant on Topological Insulators from the Army Research Office [ARO W911NF-12-1-0461]
- U.S. Department of Energy (DOE) [DE SC0017863]
- ExxonMobil through Andlinger Center for Energy and the Environment
- NSF [DMR-0703406, DMR-1709987]
- DFG [SCHO 1730/1-1]
- DOE Office of Science, Argonne National Laboratory [DE-AC02-06CH11357]
- DOE-BES [DE-FG02-07ER46419]
- NSF-MRSEC programs through the Princeton Center for Complex Materials [DMR-142054, NSF-DMR-1904442]
- U.S. Department of Energy (DOE) [DE-SC0017863] Funding Source: U.S. Department of Energy (DOE)
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Van der Waals (vdW) materials with magnetic order have been heavily pursued for fundamental physics as well as for device design. Despite the rapid advances, so far, they are mainly insulating or semiconducting, and none of them has a high electronic mobility-a property that is rare in layered vdW materials in general. The realization of a high-mobility vdW material that also exhibits magnetic order would open the possibility for novel magnetic twistronic or spintronic devices. Here, we report very high carrier mobility in the layered vdW antiferromagnet GdTe3. The electron mobility is beyond 60,000 cm(2)V(-1)s(-1), which is the highest among all known layered magnetic materials, to the best of our knowledge. Among all known vdW materials, the mobility of bulk GdTe3 is comparable to that of black phosphorus. By mechanical exfoliation, we further demonstrate that GdTe3 can be exfoliated to ultrathin flakes of three monolayers.
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