Valence s bands in amorphous chalcogens and arsenic
- 7 October 1975
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 8 (19), 3131-3136
- https://doi.org/10.1088/0022-3719/8/19/013
Abstract
The author investigates the simple tight-binding picture of the s bands for trigonal and A7 lattices with inter-unit binding and find that odd-membered rings are required in a network model of amorphous arsenic. The symmetric s band requires a Green function which is even in each constituent bond.Keywords
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