Single bright NV centers in aggregates of detonation nanodiamonds

Bolshedvorskii, Stepan V.; Vorobyov, Vadim; Soshenko, Vladimir V.; Shershulin, V. A.; Javadzade, Javid; Zeleneev, Anton I.; Komrakova, S; Сорокин, В. Н.; Belobrov, P. I.; Smolyaninov, Andrey N.; Акимов, А. В.

doi:10.1364/ome.7.004038

Cited by 28 publications

(20 citation statements)

References 53 publications

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“…Our adjusted and rechecked estimation made on the basis of the EPR method is about three orders of magnitude larger than that evaluated in Ref. [38] by pure optical methods for DND aggregates. Probably not all NV − centres detected by EPR are optically active due to the NV − luminescence quenching by various point and collective defects located near the surface.…”

Section: Resultsmentioning

confidence: 60%

Photoluminescence from NV− Centres in 5 nm Detonation Nanodiamonds: Identification and High Sensitivity to Magnetic Field

et al. 2019

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The content of nitrogen-vacancy (NV − ) colour centres in the nanodiamonds (DNDs) produced during the detonation of nitrogen-containing explosives was found to be 1.1 ± 0.3 ppm. This value is impressive for nanodiamonds of size < 10 nm with intentionally created NV − centres. The concentration was estimated from the electron paramagnetic resonance as determined from the integrated intensity of the g = 4.27 line. This line is related with “forbidden” ∆ m s = 2 transitions between the Zeeman levels of a NV − centre’s ground triplet state. Confocal fluorescence microscopy enables detection of the red photoluminescence (PL) of the NV − colour centres in nanoscale DND aggregates formed from the 5-nm nanoparticles. Subwavelength emitters consisting of NV − with sizes a few times smaller than the diffraction-limited spot are clearly distinguished. We have further observed an abrupt drop in the PL intensity when mixing and anti-crossing of the ground and excited states spin levels in NV − occurs under an applied external magnetic field. This effect is a unique quantum feature of NV − centres, which cannot be observed for other visible domain light-emitting colour centres in a diamond lattice.

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Section: Resultsmentioning

confidence: 60%

Photoluminescence from NV− Centres in 5 nm Detonation Nanodiamonds: Identification and High Sensitivity to Magnetic Field

et al. 2019

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“…Thus, the second-order (intensity) autocorrelation function g (2) (t) (ACF) of a single NV center should have an antibunching dip to zero at t = 0. If the registered photons belong to several luminescence centers located next to each other, the number of these centers can be determined, using the following equation [28]: (2) 1 ,…”

Section: Methodsmentioning

confidence: 99%

Spatially controlled fabrication of single NV centers in IIa HPHT diamond

Trofimov

Тарелкин

Bolshedvorskii

et al. 2019

Opt. Mater. Express

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Single NV centers in HPHT IIa diamond are fabricated by helium implantation through lithographic masks. The concentrations of created NV centers in different growth sectors of HPHT are compared quantitatively. It is shown that the purest {001} growth sector (GS) of HPHT diamond allows to create groups of single NV centers in predetermined locations. The {001} GS HPHT diamond is thus considered a good material for applications that involve single NV centers.

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“…Для исследования спектров фотолюминесценции использовалась установка на основе спектрометра Horiba Jobin Yvon FHR-1000 с матрицей CCD Symphony Измеренные методом спинового эха времена [9] когерентности T 2 приведены в таблице. Они соответствуют типичным значениям времен T 2 однородно легированных слоев с высокой концентрацией азота и даже несколько превышают значения, рассчитанные по часто используемой формуле T 2 = 165 µs/n N (n N -концентрация азота в ppm), приведенной в работе [10], что свидетельствует о высоком качестве CVD-слоев и отсутствии других парамагнитных примесей.…”

Section: поступило в редакцию 20 марта 2020 г в окончательной редакцunclassified

Формирование Многослойных Наноструктур NV-центров В Монокристаллическом CVD-алмазе

Горбачев¹,

Лобаев²,

Радищев³

et al. 2020

Письма В Журнал Технической Физики

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Results of synthesis of multilayered nitrogen doped nanostructures, which consist of periodically located nitrogen-containing layers in monocrystalline CVD diamond, are presented. The possibility of creation of nitrogen doped layers with extremely abrupt interfaces, less than 1 nm, is demonstrated. Photoluminescence studies have shown that multilayered structures allow obtaining higher emission intensity of practically important NV– centers with spin coherence times close to homogeneously doped layers at the same nitrogen concentration.

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Single bright NV centers in aggregates of detonation nanodiamonds

Cited by 28 publications

References 53 publications

Photoluminescence from NV− Centres in 5 nm Detonation Nanodiamonds: Identification and High Sensitivity to Magnetic Field

Photoluminescence from NV− Centres in 5 nm Detonation Nanodiamonds: Identification and High Sensitivity to Magnetic Field

Spatially controlled fabrication of single NV centers in IIa HPHT diamond

Формирование Многослойных Наноструктур NV-центров В Монокристаллическом CVD-алмазе

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