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We present a technique that uses an ensemble of nitrogen-vacancy (NV) centers in diamond to image magnetic fields with high spatio-temporal resolution and sensitivity. A focused laser beam is raster-scanned using an acousto-optic deflector…

Magnetic resonance imaging (MRI) revolutionized diagnostic medicine and biomedical research by allowing a noninvasive access to spin ensembles. To enhance MRI resolution to the nanometer scale, new approaches including scanning probe…

Mesoscale and Nanoscale Physics · Physics 2019-10-23 Philip Willke , Kai Yang , Yujeong Bae , Andreas J. Heinrich , Christopher P. Lutz

High spatial resolution magnetic imaging has driven important developments in fields ranging from materials science to biology. However, to uncover finer details approaching the nanoscale with greater sensitivity requires the development of…

Three-dimensional magnetic imaging with high spatio-temporal resolution is critical for probing current paths in various systems, from biosensing to microelectronics. Conventional 2D Fourier-based current source localization methods are…

Instrumentation and Detectors · Physics 2025-06-09 Anuj Bathla , Madhur Parashar , Matthew Markham , Ajit Rajwade , Kasturi Saha

Nanoscale magnetic resonance imaging (nanoMRI) aims at obtaining structure at the single molecule level. Most of the techniques for effecting a nanoMRI gradient use small permanent magnets. Here, we present a switchable magnetic field…

Mesoscale and Nanoscale Physics · Physics 2025-03-12 Leora Schein-Lubomirsky , Yarden Mazor , Rainer Stöhr , Andrej Denisenko , Amit Finkler

The study of 3D magnetic nanostructures has uncovered a range of rich phenomena including the stabilization and control of topological spin textures using nanoscale curvature, dynamic effects allowing controlled spin-wave emission, and…

Mesoscale and Nanoscale Physics · Physics 2024-03-08 Joseph Askey , Matthew Oliver Hunt , Lukas Payne , Arjen van den Berg , Ioannis Pitsios , Alaa Hejazi , Wolfgang Langbein , Sam Ladak

Recent progress in the application of color centers to nanoscale spin sensing makes the combined use of noise spectroscopy and scanning probe imaging an attractive route for the characterization of arbitrary material systems. Unfortunately,…

The Zeeman splitting of a localized single spin can be used to construct a magnetometer allowing high precision measurements of magnetic fields with almost atomic spatial resolution. While sub-{\mu}T sensitivity can in principle be obtained…

Instrumentation and Detectors · Physics 2011-01-28 Rolf Simon Schoenfeld , Wolfgang Harneit

We present a new method for high-resolution nanoscale magnetic resonance imaging (nano-MRI) that combines the high spin sensitivity of nanowire-based magnetic resonance detection with high spectral resolution nuclear magnetic resonance…

Mesoscale and Nanoscale Physics · Physics 2018-03-07 William Rose , Holger Haas , Angela Q. Chen , Nari Jeon , Lincoln J. Lauhon , David G. Cory , Raffi Budakian

Interest in the magnetism of organic compounds is growing because of new organic magnets, spin-based electronics and the diverse properties of magnetic edge states in graphene nanoribbons. Electron spin resonance spectroscopy combined with…

Mesoscale and Nanoscale Physics · Physics 2025-04-28 Gregory Czap , Christoph Wolf , Jose Reina-Gálvez , Mark H. Sherwood , Christopher P. Lutz

Quantum sensing based on nitrogen-vacancy (NV) centers in diamond has been developed as a powerful tool for microscopic magnetic resonance. However, the reported sensor-to-sample distance is limited within tens of nanometers because the…

This article presents a method to perform diffraction tomography in a standard microscope that includes an LED array for illumination. After acquiring a sequence of intensity-only images of a thick sample, a ptychography-based…

Optics · Physics 2015-10-30 Roarke Horstmeyer , Changhuei Yang

Quantum sensing with nitrogen-vacancy centers in diamond has emerged as a powerful tool for measuring diverse physical parameters, yet the versatility of these measurement approaches is often limited by the achievable layout and…

We introduce the concept of computerized tomographic microscopy in magnetic resonance imaging using the magnetic fields and field gradients from a ferromagnetic probe. We investigate a configuration where a two-dimensional sample is under…

Instrumentation and Detectors · Physics 2009-11-10 Mladen Barbic , Axel Scherer

Magnetic-domain structure and dynamics play an important role in understanding and controlling the magnetic properties of two-dimensional magnets, which are of interest to both fundamental studies and applications[1-5]. However, the probe…

The nitrogen-vacancy (NV) color center in diamond is an atom-like system in the solid-state which specific spin properties can be efficiently used as a sensitive magnetic sensor. An external magnetic field induces Zeeman shifts of the NV…

Mesoscale and Nanoscale Physics · Physics 2015-07-17 M. Chipaux , A. Tallaire , J. Achard , S. Pezzagna , J. Meijer , V. Jacques , J. -F. Roch , T. Debuisschert

Real-space imaging of three-dimensional atomic structures is a critical yet challenging task in materials science. Although scanning transmission electron microscopy has achieved sub-angstrom lateral resolution through techniques like…

Magnetic Resonance Force Microscopy (MRFM) enables three-dimensional imaging of nuclear spin densities in nanoscale objects. Based on numerical simulations, we evaluate the performance of strained SiN resonators as force sensors and show…

Applied Physics · Physics 2026-04-15 Nils Prumbaum , Christian L. Degen , Alexander Eichler

Recent progress in nanofabrication and additive manufacturing have facilitated the building of nanometer-scale three-dimensional structures, that promise to lead to an emergence of new functionalities within a number of fields, compared to…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 Claire Donnelly , Valerio Scagnoli

Widefield quantum diamond microscopy is a powerful technique for imaging magnetic fields with high sensitivity and spatial resolution. However, current methods to approach the ultimate spatial resolution ($<500\,$nm) are impractical for…