We study the inter-layer coupling in bulk tin selenide (SnSe) through density functional theory based calculations. Different approximations for the exchange-correlation functionals and the van der Waals interaction are employed. We calculate binding energy, electron density difference and breathing mode between layers, which indicate bulk SnSe has the strongest inter-layer coupling than graphite, bulk MoS2 and black phosphorus.
Chemical Physics Letters – Elsevier
Published: Mar 1, 2018
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