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 | Nanotech 2002 Vol. 2
Technical Proceedings of the 2002 International Conference on Computational Nanoscience and Nanotechnology
Chapter 16: Materials and Nanostructures Studies |
| | Energy-Band Structure of Strained Indirect Gap Semiconductor: A k . p Method | | Authors: | N. Cavassilas, F. Aniel and G. Fishman | | Affilation: | CNRS, France | | Pages: | 411 - 414 | | Keywords: | k.p. theory, strain, SiGe | | Abstract: | A strain Hamiltonian Hst, associated with a sps* k.p Hamiltonian Hkp is used to descibe the valence band and the first two conduction bands of a strained indirect semiconductor. Hst takes into accoutn the Bir-Pikus parameters (a, b) used up to now to describe only the Brillouin zone center. The Hkp+Hst Hamiltonian allows one to calculate the energy dispersio nall over the Brillouin zone. The method is applied to Si strained on Sil-xGex alloy. We do not use the local (in k space) deformation potentials Pu, and pd conventionally used in indirect gap semiconductor to describe the conduction band. The energy band gap, the conduction bands split into the four equivalent in-plane valleys delta4 and the two valleys along the growth direction delta2 which result from teh above Hkp+Hst Hamiltonian are in very good agreement with other publications. |  | View paper | | ISBN: | 0-9708275-6-3 |
| Pages: | 504 |
| Hardcopy: | $100.00 |
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