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izvor podataka: crosbi

Electrical stimulation of nonclassical photon emission from diamond color centers by means of sub-superficial graphitic electrodes (CROSBI ID 227698)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Forneris, Jacopo ; Traina, Paolo ; Gatto Monticone, Daniele ; Amato, Giempiero ; Boarino, Luca ; Brida, Giorgio ; Degiovanni, Ivo P. ; Enrico, Emanuele ; Moreva, Ekatarina ; Grilj, Veljko et al. Electrical stimulation of nonclassical photon emission from diamond color centers by means of sub-superficial graphitic electrodes // Scientific reports, 5 (2015), 15901-1-15901-7. doi: 10.1038/srep15901

Podaci o odgovornosti

Forneris, Jacopo ; Traina, Paolo ; Gatto Monticone, Daniele ; Amato, Giempiero ; Boarino, Luca ; Brida, Giorgio ; Degiovanni, Ivo P. ; Enrico, Emanuele ; Moreva, Ekatarina ; Grilj, Veljko ; Skukan, Natko ; Jakšić, Milko ; Genovese, Marko ; Olivero, Paolo

engleski

Electrical stimulation of nonclassical photon emission from diamond color centers by means of sub-superficial graphitic electrodes

Focused MeV ion beams with micrometric resolution are suitable tools for the direct writing of conductive graphitic channels buried in an insulating diamond bulk, as already demonstrated for different device applications. In this work we apply this fabrication method to the electrical excitation of color centers in diamond, demonstrating the potential of electrical stimulation in diamond-based single-photon sources. Differently from optically-stimulated light emission from color centers in diamond, electroluminescence (EL) requires a high current flowing in the diamond sub gap states between the electrodes. With this purpose, buried graphitic electrode pairs, 10 μm spaced, were fabricated in the bulk of a single-crystal diamond sample using a 6 MeV C microbeam. The electrical characterization of the structure showed a significant current injection above an effective voltage threshold of 150 V, which enabled the stimulation of a stable EL emission. The EL imaging allowed to identify the electroluminescent regions and the residual vacancy distribution associated with the fabrication technique. Measurements evidenced isolated electroluminescent spots where non-classical light emission in the 560–700 nm spectral range was observed. The spectral and autocorrelation features of the EL emission were investigated to qualify the non-classical properties of the color centers.

diamond ; color centers ; graphitic channels ; ion microbeam

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Podaci o izdanju

5

2015.

15901-1-15901-7

objavljeno

2045-2322

10.1038/srep15901

Povezanost rada

Fizika

Poveznice
Indeksiranost