Physics

Three-dimensional magnetic resonance tomography with sub-10 nanometer resolution

M. T. Amavi, A. Treilin, et al.

This groundbreaking study by Mohammad T. Amavi and colleagues unveils a three-dimensional magnetic resonance tomography technique with a remarkable resolution of 5.9 ± 0.1 nm. Using innovative microwires to create magnetic field gradients, this method offers unparalleled insights into NV centers in diamond, pushing the boundaries of three-dimensional structure analysis.

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Abstract

This paper demonstrates three-dimensional magnetic resonance tomography (MRT) achieving a resolution of 5.9 ± 0.1 nm. Lithographically fabricated microwires generate three-dimensional magnetic field gradients, used to image nitrogen-vacancy (NV) centers in a densely doped diamond via Fourier-accelerated MRT. A compressed sensing scheme enables direct visual interpretation without numerical optimization and allows for zooming into specific regions of interest. This resolution rivals the best super-resolution microscopy techniques and approaches the accuracy of site-directed spin labeling, promising advancements in three-dimensional structure analysis using magnetic-gradient based tomography.

Publisher

npj Quantum Information

Published On

Jan 25, 2024

Authors

Mohammad T. Amavi, Andrii Treilin, You Huang, Paul Weinbrenner, Francesco Poggiali, Joachim Leibold, Martin Schalk, Friedemann Reinhard

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