Probing of the Wave Function of Shallow Donors and Acceptors by EPR in SiC Crystals with Changed Isotopic Composition
The conclusion which is drawn from the EPR line broadening and narrowing of the N shallow donor in an isotope enriched and non-enriched 4H-SiC and 6H-SiC crystals along with previous ENDOR results shows that the spin-density distribution over the C and Si nuclei differs between the 4H-SiC and 6H-SiC...
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| Veröffentlicht in: | Materials Science Forum 2005-05, Vol.483-485, p.507-510 |
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| creator | Kaliteevskii, M.A. Kaliteevskii, A.K. Muzafarova, Marina V. Baranov, P.G. Ionov, A.N. Mokhov, E.N. Godisov, O.N. Kop'ev, P.S. Ilyin, Ivan V. Ber, B.Ya |
| description | The conclusion which is drawn from the EPR line broadening and narrowing of the N
shallow donor in an isotope enriched and non-enriched 4H-SiC and 6H-SiC crystals along with previous ENDOR results shows that the spin-density distribution over the C and Si nuclei differs between the 4H-SiC and 6H-SiC polytypes. The main part of the spin density in 4H-SiC is located on the Si sublattice. In contrast, in 6H-SiC the main part of the spin density is located on the C sublattice. An explanation for the difference in the electronic wave function of the N donor in 4HSiC
and 6H-SiC can be found in the large difference in the band structure of two polytypes and in the position of the minima in the Brillouin zone. |
| doi_str_mv | 10.4028/www.scientific.net/MSF.483-485.507 |
| format | Article |
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shallow donor in an isotope enriched and non-enriched 4H-SiC and 6H-SiC crystals along with previous ENDOR results shows that the spin-density distribution over the C and Si nuclei differs between the 4H-SiC and 6H-SiC polytypes. The main part of the spin density in 4H-SiC is located on the Si sublattice. In contrast, in 6H-SiC the main part of the spin density is located on the C sublattice. An explanation for the difference in the electronic wave function of the N donor in 4HSiC
and 6H-SiC can be found in the large difference in the band structure of two polytypes and in the position of the minima in the Brillouin zone.</abstract><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/MSF.483-485.507</doi><tpages>4</tpages></addata></record> |
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| title | Probing of the Wave Function of Shallow Donors and Acceptors by EPR in SiC Crystals with Changed Isotopic Composition |
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