Symmetry Based Properties of the Transition Metal Dichalcogenide Nanotubes

Details Symmetry Based Properties of the Transition Metal Dichalcogenide Nanotubes Symmetry Based Properties of the Transition Metal Dichalcogenide Nanotubes

2000-04-20

arxiv.org/abs/cond-mat/0004345v1

European Physical Journal B 17 (2000) 707-12

Physics

Condensed Matter

Soft Condensed Matter

6 pages 1 figure

Scientific paper

10.1007/s100510070112

The full geometrical symmetry groups (the line groups) of the monolayered, 2Hb and 3R polytypes of the inorganic MoS2 and WS2 micro- and nanotubes of arbitrary chirality are found. This is used to find the coordinates of the representative atoms sufficient to determine completely geometrical structure of tubes. Then some physical properties which can be deduced from the symmetry are discussed: electron band degeneracies, selection rules, general forms of the second rank tensors and potentials, phonon spectra.

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