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http://hdl.handle.net/1942/34029
Title: | Benchmark for Synthesized Diamond Sensors Based on Isotopically Engineered Nitrogen-Vacancy Spin Ensembles for Magnetometry Applications | Authors: | Osterkamp, C Balasubramanian, P Wolff, G Teraji, T NESLADEK, Milos Jelezko, F |
Issue Date: | 2020 | Publisher: | WILEY | Source: | ADVANCED QUANTUM TECHNOLOGIES, 3 (9) (Art N° 2000074) | Abstract: | Nitrogen-vacancy (NV) center ensemble in synthetic diamond is a promising and emerging platform for quantum sensing technologies. Realization of such a solid-state based quantum sensor is widely studied and requires reproducible manufacturing of NV centers with controlled spin properties, including the spin bath environment within the diamond crystal. Here, a non-invasive method is reported to benchmark NV ensembles regarding their suitability as ultra-sensitive magnetic field sensors. Imaging and electron spin resonance techniques are presented to determine operating figures and precisely define the optimal material for NV-driven diamond engineering. The functionality of the methods is manifested on examples of chemical vapor deposition synthesized diamond layers containing preferentially aligned, isotopically controlled(15)NV center ensembles. Quantification of the limiting(15)N P1 spin bath, in an otherwise(12)C enriched environment, and the reduction of its influence by applying dynamical decoupling protocols, complete the suggested set of criteria for the analysis of NV ensemble with potential use as magnetometers. | Keywords: | CVD diamond growth;nitrogen-vacancy centers;preferential alignment;quantum sensing | Document URI: | http://hdl.handle.net/1942/34029 | DOI: | 10.1002/qute.202000074 | ISI #: | WOS:000566009800001 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2023 |
Appears in Collections: | Research publications |
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qute.202000074.pdf | Published version | 822.35 kB | Adobe PDF | View/Open |
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