VAN DER WAALS MATERIALS

Illuminating interlayer interactions

A synchrotron X-ray diffraction experiment demonstrates an unexpected accumulation of electron density in the interlayer region of TiS2, and provides a benchmark for theoretical models of weak interlayer bonding.

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Fig. 1: Schematic of intralayer and interlayer interactions of 1T-TiS2.

adapted from ref. 3, Macmillan Publishers Ltd.

Fig. 2: Artistic cross-section view for PtS2 bilayer and the interlayer differential charge density.

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Correspondence to Xiaohui Qiu or Wei Ji.

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Qiu, X., Ji, W. Illuminating interlayer interactions. Nature Mater 17, 211–213 (2018). https://doi.org/10.1038/s41563-018-0027-3

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