Extended anharmonic collapse of phonon dispersions in SnS and SnSe

The lattice dynamics and high-temperature structural transition in SnS and SnSe are investigated via inelastic neutron scattering, high-resolution Raman spectroscopy and anharmonic first-principles simulations. We uncover a spectacular, extreme softening and reconstruction of an entire manifold of l...

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Publicat a:Nat Commun
Autors principals: Lanigan-Atkins, T., Yang, S., Niedziela, J. L., Bansal, D., May, A. F., Puretzky, A. A., Lin, J. Y. Y., Pajerowski, D. M., Hong, T., Chi, S., Ehlers, G., Delaire, O.
Format: Artigo
Idioma:Inglês
Publicat: Nature Publishing Group UK 2020
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Article
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC7474096/
https://ncbi.nlm.nih.gov/pubmed/32887880
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-020-18121-4
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