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SiV Color Centers in Si-Doped Isotopically Enriched 12 C and 13 C CVD Diamondsстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Дата последнего поиска статьи во внешних источниках: 16 января 2019 г.
- Авторы: Sedov Vadim, Boldyrev Kirill, Krivobok Vladimir, Nikolaev Sergei, Bolshakov Andrey, Khomich Alex, Khomich Andrew, Krasilnikov Anatoly, Ralchenko Victor
- Журнал: Physica Status Solidy a
- Том: 214
- Номер: 11
- Год издания: 2017
- Первая страница: 1700198
- DOI: 10.1002/pssa.201700198
- Аннотация: The effect of isotopic modification of diamond lattice on photoluminescence (PL) and optical absorption spectra of ensembles of SiV- centers was studied. Thin epitaxial diamond layers were grown by a microwave plasma CH4/H-2 mixtures using methane enriched to 99.96% for either C-12 or C-13 isotopes, while the Si doping was performed by adding a small percentage of silane SiH4 into the plasma. Temperature dependent SiV- ZPL spectra in absorption were measured at 3-80K to monitor the evolution of the ZPL fine structure. It is found that the SiV- ZPL at 736.9nm observed in PL for C-12 diamond at T=5K, exhibits a blue shift of 1.78meV, to 736.1nm in C-13 diamond matrix. Narrow ZPL with the width (FWHM) of 0.09meV (21GHz) was measured in absorption spectra at T=3-30K in the Si-doped C-13 diamond. Besides the charged SiV- center, the absorption of the neutral SiV0 defect at 946nm wavelength has also been detected. From changes observed in SiV- phonon band structure in PL with isotopic modification, the band at 64meV was confirmed to be a local vibration mode (LVM) involving a Si atom.
- Добавил в систему: Хомич Александр Владимирович