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Tom Barnowsky

As seen in: Nature, ACS Publications
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Articles

High-Throughput Prediction of Exfoliable Non-van der Waals Materials from a Universal Potential

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By Tom Barnowsky, Carsten Timm, Rico Friedrich
| Nature Verified
Abstract Exfoliation and cleavage create two-dimensional (2D) materials and surfaces with physical and chemical properties distinct from their bulk parents. The rising class of non-van der Waals (non-vdW) 2D materials derived from non-layered crystals provides a fascinating platform, expanding the landscape of low-dimensional materials. Current computational models, however, provide limited guidance: existing descriptors are largely tailored to vdW layered systems.
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Magnetic State Control of Non-van der Waals 2D Materials by Hydrogenation

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By Tom Barnowsky, TUD Dresden, Helmholtz-Zentrum Dresden-Rossendorf, Stefano Curtarolo
| tu-dresden.de
Controlling the magnetic state of two-dimensional (2D) materials is crucial for spintronics. By employing data-mining and autonomous density functional theory calculations, we demonstrate the switching of magnetic properties of 2D non-van der Waals materials upon hydrogen passivation. The magnetic configurations are tuned to states with flipped and enhanced moments. For 2D CdTiO3─a diamagnetic compound in the pristine case─we observe an onset of ferromagnetism upon hydrogenation.
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Magnetic State Control of Non-van der Waals 2D Materials by Hydrogenation

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By Tom Barnowsky, Stefano Curtarolo, Arkady V. Krasheninnikov, Thomas Heine
| ACS Publications
Download Hi-Res ImageDownload to MS-PowerPointCite This:Nano Lett.
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