Fine Structure of the Carbon-Related Blue Luminescence Band in GaN
Photoluminescence studies reveal three C<sub>N</sub>-related luminescence bands in GaN doped with carbon: the YL1 band at 2.17 eV caused by electron transitions via the −/0 level of the C<sub>N</sub>, the BL<sub>C</sub> band at 2.85 eV due to transitions via the 0...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-04-01
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| Series: | Solids |
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| Online Access: | https://www.mdpi.com/2673-6497/3/2/16 |
| _version_ | 1797482243020554240 |
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| author | Michael A. Reshchikov |
| author_facet | Michael A. Reshchikov |
| author_sort | Michael A. Reshchikov |
| collection | DOAJ |
| description | Photoluminescence studies reveal three C<sub>N</sub>-related luminescence bands in GaN doped with carbon: the YL1 band at 2.17 eV caused by electron transitions via the −/0 level of the C<sub>N</sub>, the BL<sub>C</sub> band at 2.85 eV due to transitions via the 0/+ level of the C<sub>N</sub> and the BL2 band at 3.0 eV attributed to the C<sub>N</sub>H<sub>i</sub> complex. The BL<sub>C</sub> band studied here has the zero-phonon line at 3.17 eV and a phonon-related fine structure at low temperatures. The 0/+ level of the C<sub>N</sub> is found at 0.33 ± 0.01 eV above the valence band, in agreement with recent theoretical predictions. These results will help to choose an optimal correction scheme in hybrid functional calculations. |
| first_indexed | 2024-03-09T22:30:27Z |
| format | Article |
| id | doaj.art-f52cc381cc3047ce8b311e99ff720f54 |
| institution | Directory Open Access Journal |
| issn | 2673-6497 |
| language | English |
| last_indexed | 2024-03-09T22:30:27Z |
| publishDate | 2022-04-01 |
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| record_format | Article |
| series | Solids |
| spelling | doaj.art-f52cc381cc3047ce8b311e99ff720f542023-11-23T18:59:38ZengMDPI AGSolids2673-64972022-04-013223123610.3390/solids3020016Fine Structure of the Carbon-Related Blue Luminescence Band in GaNMichael A. Reshchikov0Department of Physics, Virginia Commonwealth University, Richmond, VA 23220, USAPhotoluminescence studies reveal three C<sub>N</sub>-related luminescence bands in GaN doped with carbon: the YL1 band at 2.17 eV caused by electron transitions via the −/0 level of the C<sub>N</sub>, the BL<sub>C</sub> band at 2.85 eV due to transitions via the 0/+ level of the C<sub>N</sub> and the BL2 band at 3.0 eV attributed to the C<sub>N</sub>H<sub>i</sub> complex. The BL<sub>C</sub> band studied here has the zero-phonon line at 3.17 eV and a phonon-related fine structure at low temperatures. The 0/+ level of the C<sub>N</sub> is found at 0.33 ± 0.01 eV above the valence band, in agreement with recent theoretical predictions. These results will help to choose an optimal correction scheme in hybrid functional calculations.https://www.mdpi.com/2673-6497/3/2/16photoluminescencepoint defectsGaNzero-phonon line |
| spellingShingle | Michael A. Reshchikov Fine Structure of the Carbon-Related Blue Luminescence Band in GaN Solids photoluminescence point defects GaN zero-phonon line |
| title | Fine Structure of the Carbon-Related Blue Luminescence Band in GaN |
| title_full | Fine Structure of the Carbon-Related Blue Luminescence Band in GaN |
| title_fullStr | Fine Structure of the Carbon-Related Blue Luminescence Band in GaN |
| title_full_unstemmed | Fine Structure of the Carbon-Related Blue Luminescence Band in GaN |
| title_short | Fine Structure of the Carbon-Related Blue Luminescence Band in GaN |
| title_sort | fine structure of the carbon related blue luminescence band in gan |
| topic | photoluminescence point defects GaN zero-phonon line |
| url | https://www.mdpi.com/2673-6497/3/2/16 |
| work_keys_str_mv | AT michaelareshchikov finestructureofthecarbonrelatedblueluminescencebandingan |