Fundamentals of magnetic field measurement with NV centers in diamond

The present technical note aims to provide the reader with the fundamentals of NV magnetometry. In a first part we introduce the nitrogenvacancy (NV) center and its fundamental properties. In the second part we show how the NV center is used to measure magnetic fields with unprecedented sensitivity.

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Qnami Foundry supports design of a Diamond micro-chip for quantum microscopy

Qnami Foundry supports design of a Diamond micro-chip for quantum microscopy

Led by Mark Ku at the University of Delaware, this work characterizes a high-quality diamond micro-chip from the Qnami Quantum Foundry for advanced, high-resolution NV-based quantum microscopy.
Nanoconfined Microwaves imaged by Rabi Oscillation Mapping

Nanoconfined Microwaves imaged by Rabi Oscillation Mapping

Swastik Kar’s group at Northeastern University used AC magnetometry on the Qnami ProteusQ to show that a permalloy nanowire can be used to concentrate RF fields into sub 300nm regions.
Mapping current flow using ProteusQCurrent Flow Mapping in Ferroelectric Domain Walls

Current Flow Mapping in Ferroelectric Domain Walls

In a recent study on conducting ferroelectric domain walls, researchers used scanning NV magnetometry to directly visualize current flow at the nanoscale. These measurements were performed using the Qnami ProteusQ. The results challenge previous assumptions about current distribution and pave the way for more accurate modeling of next-generation memristive devices.

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