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Hard magnetic properties in nanoflake van der Waals Fe3GeTe2
Open accessAbstract
Two-dimensional van der Waals materials have demonstrated fascinating optical and electrical characteristics. However, reports on magnetic properties and spintronic applications of van der Waals materials are scarce by comparison. Here, we report anomalous Hall effect measurements on single crystalline metallic Fe 3 GeTe 2 nanoflakes with different thicknesses. These nanoflakes exhibit a single hard magnetic phase with a near square-shaped magnetic loop, large coercivity (up to 550 mT at 2 K), a Curie temperature near 200 K and strong perpendicular magnetic anisotropy. Using criticality analysis, the coupling length between van der Waals atomic layers in Fe 3 GeTe 2 is estimated to be ~5 van der Waals layers. Furthermore, the hard magnetic behaviour of Fe 3 GeTe 2 can be well described by a proposed model. The magnetic properties of Fe 3 GeTe 2 highlight its potential for integration into van der Waals magnetic heterostructures, paving the way for spintronic research and applications based on these devices.
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Cites
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Cited by
Magnetic Nanostructures: Rational Design and Fabrication Strategies toward Diverse Applications
Wang, S., Xu, J., Li, W., Sun, S., Gao, S., & Hou, Y. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00370 · Cited by 129
Metadata
- Authors
- Tan, C., Lee, J., Jung, S.-G., Park, T., Albarakati, S., Partridge, J., Field, M. R., McCulloch, D. G., Wang, L., & Lee, C.
- Venue
- Nature Communications
- Published
- 2018-04-19
- Volume
- 9
- Issue
- 1
- Pages
- 1554-1554
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2790153257
- Cited by
- 426
- References
- 44
- FWCI
- 11.93
- Type
- journal article
- Language
- en
- Open access
- gold
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- Tan, C., Lee, J., Jung, S.-G., Park, T., Albarakati, S., Partridge, J., Field, M. R., McCulloch, D. G., Wang, L., & Lee, C. (2018). Hard magnetic properties in nanoflake van der Waals Fe3GeTe2. Nature Communications. https://doi.org/10.1038/s41467-018-04018-w
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