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EnglishThe atomic complex formed by silicon, hydrogen, and aluminum atoms has been investigated by use of the pseudopotential-density-functional method in a supercell approach. The stable equilibrium geometry found for this complex is an off-axis configuration, with the hydrogen atom located near a Si-acceptor pair, noticeably different from the on-axis configuration obtained in the boron case. This result, together with a H local mode at quite low frequency, explains the fine structure reported for the vibrational spectra in hydrogenated Si:Al.
| Titolo: | STRUCTURAL AND VIBRATIONAL PROPERTIES OF THE SI-H-AL COMPLEX IN CRYSTALLINE SILICON | |
| Autori: | ||
| Data di pubblicazione: | 1991 | |
| Rivista: | ||
| Abstract: | The atomic complex formed by silicon, hydrogen, and aluminum atoms has been investigated by use of the pseudopotential-density-functional method in a supercell approach. The stable equilibrium geometry found for this complex is an off-axis configuration, with the hydrogen atom located near a Si-acceptor pair, noticeably different from the on-axis configuration obtained in the boron case. This result, together with a H local mode at quite low frequency, explains the fine structure reported for the vibrational spectra in hydrogenated Si:Al. | |
| Handle: | http://hdl.handle.net/11390/679832 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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