Research

We use defects in diamond to measure magnetic fields at the atomic-scale!
Here you will get to know about our current projects, research tools, and our latest publications.

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Our research tools

Magnetometry based on NV centers under ultra-high vacuum (UHV) and low temperature (LT) conditions

Our home-built scanning NV magnetometry setup combines confocal optics with atomic force microscopy, and allows us to operate under the extreme conditions of ultra high vacuum and 4 K temperature. In addition, we can also apply an external biasing magnetic field of up to ~1 T using our superconducting 3D dry vector magnet. Take a virtual tour to our lab using the link provided (currently at MPI-FKF, Stuttgart; video courtesy IQST, Stuttgart).

UHV LT confocal NV-magnetometry setup

In this home-built confocal NV magnetometry setup that also allows to operate under the extreme conditions of ultra high vacuum and 4 K temperature, we explore near-surface NV-sensor arrays in the form of nanopillar membranes.

Upcoming: new experimental setups

At TU Dresden, we are developing two additional experimental setups based on scanning probe and wide-field magnetometry approach, both of which will be dedicated for measurements at room temperature.

Non-invasive imaging of magnetic fields at the nanoscale

Nitrogen Vacancy center (NV-center) in diamond is the prime example of a solid-state quantum sensor that allows measurements across a broad range of temperature (for example, both cryogenic and room temperature). It is an atomic-scale defect within the diamond lattice, which exhibits very characteristic spin-dependent fluorescence that can be used for quantum sensing experiments. We employ these sensors for nanoscale detection of static as well as dynamic magnetic properties. Read more.

Here is a link to our publication list.