Advancing the frontiers of nanoscience and information technology hinges on the availability of novel tools for nanoscale sensing and imaging. Solid state, electronic spins offer a unique platform to implement robust, high-performance quantum sensing devices, which go beyond what classical technologies offer. The Quantum Sensing Group at Basel University has developed this idea into a robust technology based on nano-engineered diamond devices, which host single electronic spins for sensing.
In my talk, I will describe the key principles underlying these novel quantum sensors and discuss some of their areas of applications we have opened over the last years. These include the field of antiferromagnetic spintronics, where we obtained unprecedented insight into domain formation and non-trivial spin-textures in antiferromagnets using single spin magnetometry. Next to these room-temperature applications, I will present results of cryogenic single spin magnetometry for quantitative, high resolution imaging of vortices and supercurrents in nanoscale superconductors.
These results establish scanning single spin magnetometry as a powerful tool for applications in solid-state, mesoscopic physics and the nano-sciences in general. This significant potential has also triggered the creation of our spin-off company “Qnami”, which is offering commercial quantum sensing solutions and which will be highlighted at this year’s SNC startup competition.
Bio
Patrick Maletinsky is an associate professor at the Department of Physics of the University of Basel, where he has been active since 2012. He has joined the Department after studies of physics at ETH and the école normal supérieure, a Ph.D. at ETH Zurich and a postdoc at Harvard University. His main research interests are the development of novel, spin-based quantum sensing technologies and their applications to nanoscience and solid-state, mesoscopic physics.