Journal
NPJ 2D MATERIALS AND APPLICATIONS
Volume 4, Issue 1, Pages -Publisher
NATURE RESEARCH
DOI: 10.1038/s41699-020-00167-z
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Funding
- Max Planck-UBC-UTokyo Centre for Quantum Materials
- Canada First Research Excellence Fund, Quantum Materials and Future Technologies Program
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Canada Foundation for Innovation (CFI)
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Monolayer iron germanium telluride Fe3GeTe2, one of the typical two-dimensional ferromagnetic materials, hitherto, has only been studied by exfoliated micron-sized samples. We achieve high-quality wafer-scale growth of thin Fe(3)GeTe(2)films by molecular beam epitaxy, greatly expanding the types of characterization tools employable and providing the possibility for its integration in devices like consumer electronics. Thickness-dependent transport measurements are used to characterize and probe for magnetic order. Ferromagnetic states exist in 1-10 layer thick Fe3GeTe2, with Curie temperatures ranging from similar to 75 K in one layer samples to above 175 K in ten layer samples. A single ferromagnetic phase with significant magnetic anisotropy is revealed for all layer numbers. We submit the capability of synthesizing, wafer-scale Fe(3)GeTe(2)as an essential step towards its fulfillment in any applications involving magnetism, such as spintronics.
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