Solution nuclear magnetic resonance spectroscopy on a nanostructured diamond chip
| Autor: | Ilja Fescenko, Pauli Kehayias, Lykourgos Bougas, Andrey Jarmola, Alexander Neumann, F. M. Benito, Steven R. J. Brueck, Dmitry Budker, Victor M. Acosta, Abdelghani Laraoui, Nazanin Mosavian, Janis Smits |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Magnetic Resonance Spectroscopy
Physics - Instrumentation and Detectors Science General Physics and Astronomy FOS: Physical sciences 02 engineering and technology engineering.material 01 natural sciences General Biochemistry Genetics and Molecular Biology Article law.invention Micrometre law Physics - Chemical Physics 0103 physical sciences Mesoscale and Nanoscale Physics (cond-mat.mes-hall) Physical Sciences and Mathematics 010306 general physics Spectroscopy Physics Chemical Physics (physics.chem-ph) Quantum Physics Multidisciplinary Spins Condensed Matter - Mesoscale and Nanoscale Physics business.industry Doping Diamond General Chemistry Nuclear magnetic resonance spectroscopy Instrumentation and Detectors (physics.ins-det) 021001 nanoscience & nanotechnology Laser Jarmola [BRII recipient] 3. Good health Magnetic field Nanostructures engineering Optoelectronics ddc:500 0210 nano-technology business Quantum Physics (quant-ph) |
| Zdroj: | Nature Communications Nature Communications, Vol 8, Iss 1, Pp 1-8 (2017) Kehayias, P.; Jarmola, A.; Mosavian, N.; Fescenko, I.; Benito, F. M; Laraoui, A.; et al.(2017). Solution nuclear magnetic resonance spectroscopy on a nanostructured diamond chip. Nature Communications, 8(1). doi: 10.1038/s41467-017-00266-4. UC Berkeley: UC Berkeley Library. Retrieved from: http://www.escholarship.org/uc/item/2cd010v5 Nature Communications 8(1), 188 (2017). doi:10.1038/s41467-017-00266-4 |
| DOI: | 10.48550/arxiv.1701.01401 |
| Popis: | We demonstrate nuclear magnetic resonance (NMR) spectroscopy of picoliter-volume solutions with a nanostructured diamond chip. Using optical interferometric lithography, diamond surfaces were nanostructured with dense, high-aspect-ratio nanogratings, enhancing the surface area by more than a factor of 15 over mm^2 regions of the chip. The nanograting sidewalls were doped with nitrogen-vacancy (NV) centers so that more than 10 million NV centers in a (25 micrometer)^2 laser spot are located close enough to the diamond surface (5 nm) to detect the NMR spectrum of 1 pL of fluid lying within adjacent nanograting grooves. The platform was used to perform 1H and 19F NMR spectroscopy at room temperature in magnetic fields below 50 mT. Using a solution of CsF in glycerol, we demonstrate that 4 +/- 2 x 10^12 19F spins in a 1 pL volume, can be detected with a signal-to-noise ratio of 3 in 1 s integration. This represents nearly two orders of magnitude improvement in concentration sensitivity over previous NV and picoliter NMR studies. Comment: 7 pages, 6 figures (main text) + 11 pages, 7 figures, 5 tables (Supplemental) |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|