Electron Paramagnetic Resonance Sensing of «Hidden» Atomistic and Cooperative Defects in Femtosecond Laser-Inscribed Photoluminescent Encoding Patterns in Diamond
The changes that appeared in the crystal structure of a natural diamond under the influence of a pulsed femtosecond laser (525 nm) were comprehensively investigated using Fourier-transform infrared (FT-IR), electron paramagnetic resonance (EPR), and photoluminescence (PL) spectroscopy methods. It is...
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| Format: | Article |
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MDPI AG
2023-08-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/10/9/979 |
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| author | Sergey Vyatkin Pavel Danilov Nikita Smirnov Daniil Pomazkin Evgeny Kuzmin Alexey Gorevoy Andrey Muratov Ivan Matyaev Sergey Kudryashov |
| author_facet | Sergey Vyatkin Pavel Danilov Nikita Smirnov Daniil Pomazkin Evgeny Kuzmin Alexey Gorevoy Andrey Muratov Ivan Matyaev Sergey Kudryashov |
| author_sort | Sergey Vyatkin |
| collection | DOAJ |
| description | The changes that appeared in the crystal structure of a natural diamond under the influence of a pulsed femtosecond laser (525 nm) were comprehensively investigated using Fourier-transform infrared (FT-IR), electron paramagnetic resonance (EPR), and photoluminescence (PL) spectroscopy methods. It is shown that changes in the crystal structure occur due to the laser-driven interrelated process of the appearance and migration of interstitial carbon atoms and vacancies. On the one hand, there are atomistic transformations related to a decrease in the concentrations of structural centers that are not associated with vacancies or interstitial atoms—centers A (FT-IR spectroscopy) and P1 and W7 (EPR)—and an increase in the concentration of the H3, NV<sup>0</sup>, and NV<sup>−</sup> (PL) centers, which are associated with vacancies. On the other hand, there are indications of cooperative effects—an increase in the intensity of multi-atomic B2 (platelets, layers of interstitial carbon atoms (FT-IR)) and N2 (fragments of the structure with broken C–C bonds (EPR)) centers. |
| first_indexed | 2024-03-10T22:14:26Z |
| format | Article |
| id | doaj.art-87fb3f38ad84479196ad9ff78efc8005 |
| institution | Directory Open Access Journal |
| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-10T22:14:26Z |
| publishDate | 2023-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj.art-87fb3f38ad84479196ad9ff78efc80052023-11-19T12:29:19ZengMDPI AGPhotonics2304-67322023-08-0110997910.3390/photonics10090979Electron Paramagnetic Resonance Sensing of «Hidden» Atomistic and Cooperative Defects in Femtosecond Laser-Inscribed Photoluminescent Encoding Patterns in DiamondSergey Vyatkin0Pavel Danilov1Nikita Smirnov2Daniil Pomazkin3Evgeny Kuzmin4Alexey Gorevoy5Andrey Muratov6Ivan Matyaev7Sergey Kudryashov8Lebedev Physical Institute, 119991 Moscow, RussiaLebedev Physical Institute, 119991 Moscow, RussiaLebedev Physical Institute, 119991 Moscow, RussiaLebedev Physical Institute, 119991 Moscow, RussiaLebedev Physical Institute, 119991 Moscow, RussiaLebedev Physical Institute, 119991 Moscow, RussiaLebedev Physical Institute, 119991 Moscow, RussiaOptoelectronic Division, Bauman Moscow State Technical University, 105005 Moscow, RussiaLebedev Physical Institute, 119991 Moscow, RussiaThe changes that appeared in the crystal structure of a natural diamond under the influence of a pulsed femtosecond laser (525 nm) were comprehensively investigated using Fourier-transform infrared (FT-IR), electron paramagnetic resonance (EPR), and photoluminescence (PL) spectroscopy methods. It is shown that changes in the crystal structure occur due to the laser-driven interrelated process of the appearance and migration of interstitial carbon atoms and vacancies. On the one hand, there are atomistic transformations related to a decrease in the concentrations of structural centers that are not associated with vacancies or interstitial atoms—centers A (FT-IR spectroscopy) and P1 and W7 (EPR)—and an increase in the concentration of the H3, NV<sup>0</sup>, and NV<sup>−</sup> (PL) centers, which are associated with vacancies. On the other hand, there are indications of cooperative effects—an increase in the intensity of multi-atomic B2 (platelets, layers of interstitial carbon atoms (FT-IR)) and N2 (fragments of the structure with broken C–C bonds (EPR)) centers.https://www.mdpi.com/2304-6732/10/9/979diamondfemtosecond laserinterstitial carbon atomsvacanciesparamagnetic centersatomistic transformations |
| spellingShingle | Sergey Vyatkin Pavel Danilov Nikita Smirnov Daniil Pomazkin Evgeny Kuzmin Alexey Gorevoy Andrey Muratov Ivan Matyaev Sergey Kudryashov Electron Paramagnetic Resonance Sensing of «Hidden» Atomistic and Cooperative Defects in Femtosecond Laser-Inscribed Photoluminescent Encoding Patterns in Diamond Photonics diamond femtosecond laser interstitial carbon atoms vacancies paramagnetic centers atomistic transformations |
| title | Electron Paramagnetic Resonance Sensing of «Hidden» Atomistic and Cooperative Defects in Femtosecond Laser-Inscribed Photoluminescent Encoding Patterns in Diamond |
| title_full | Electron Paramagnetic Resonance Sensing of «Hidden» Atomistic and Cooperative Defects in Femtosecond Laser-Inscribed Photoluminescent Encoding Patterns in Diamond |
| title_fullStr | Electron Paramagnetic Resonance Sensing of «Hidden» Atomistic and Cooperative Defects in Femtosecond Laser-Inscribed Photoluminescent Encoding Patterns in Diamond |
| title_full_unstemmed | Electron Paramagnetic Resonance Sensing of «Hidden» Atomistic and Cooperative Defects in Femtosecond Laser-Inscribed Photoluminescent Encoding Patterns in Diamond |
| title_short | Electron Paramagnetic Resonance Sensing of «Hidden» Atomistic and Cooperative Defects in Femtosecond Laser-Inscribed Photoluminescent Encoding Patterns in Diamond |
| title_sort | electron paramagnetic resonance sensing of hidden atomistic and cooperative defects in femtosecond laser inscribed photoluminescent encoding patterns in diamond |
| topic | diamond femtosecond laser interstitial carbon atoms vacancies paramagnetic centers atomistic transformations |
| url | https://www.mdpi.com/2304-6732/10/9/979 |
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