2020
DOI: 10.48550/arxiv.2006.07763
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Spin coherence and depths of single nitrogen-vacancy centers created by ion implantation into diamond via screening masks

Shuntaro Ishizu,
Kento Sasaki,
Daiki Misonou
et al.

Abstract: We characterize single nitrogen-vacancy (NV) centers created by 10-keV N + ion implantation into diamond via thin SiO 2 layers working as screening masks. Despite the relatively high acceleration energy compared with standard ones (< 5 keV) used to create near-surface NV centers, the screening masks modify the distribution of N + ions to be peaked at the diamond surface [Ito et al., Appl. Phys. Lett. 110, 213105 (2017)]. We examine the relation between coherence times of the NV electronic spins and their depth… Show more

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“…An alternative and complementary approach aims at manipulating the noise frequency spectrum of the bath itself, a technique referred to as spin-bath driving [13] and originally developed in nuclear magnetic resonance and known as spin decoupling [14]. Recent work has shown that monochromatic driving of a spin bath can extend the coherence of bulk [15] and near-surface NV centers [16,17]. An intrinsic limitation of this monochromatic approach is that it does not efficiently address spectrally broad classes of spins that naturally emerge in inhomogeneous environments and interacting spin baths [18].…”
mentioning
confidence: 99%
“…An alternative and complementary approach aims at manipulating the noise frequency spectrum of the bath itself, a technique referred to as spin-bath driving [13] and originally developed in nuclear magnetic resonance and known as spin decoupling [14]. Recent work has shown that monochromatic driving of a spin bath can extend the coherence of bulk [15] and near-surface NV centers [16,17]. An intrinsic limitation of this monochromatic approach is that it does not efficiently address spectrally broad classes of spins that naturally emerge in inhomogeneous environments and interacting spin baths [18].…”
mentioning
confidence: 99%