In a scientific breakthrough, an international research team has developed a quantum sensor capable of detecting minute magnetic fields at the atomic length scale. This pioneering work realizes a long-held dream of scientists: an MRI-like tool for quantum materials.
In a scientific breakthrough, an international research team from Germany's Forschungszentrum Jülich and Korea's IBS Center for Quantum Nanoscience developed a quantum sensor capable of detecting minute magnetic fields at the atomic length scale. This pioneering work realizes a long-held dream of scientists: an MRI-like tool for quantum materials.
A quantum sensor is a technology that uses quantum mechanical phenomena such as the spin of an electron or the entanglement of quantum states for precise measurements. Several types of quantum sensors have been developed over the past years. While many quantum sensors are able to sense electric and magnetic fields, it was believed that atomic-scale spatial resolution cannot be mastered simultaneously.The success of the new atomic-scale quantum sensor lies in the use of one single molecule.
The sensor has an energy resolution that allows for detecting changes in magnetic and electric fields with a spatial resolution on the order of a tenth of an angstrom, where 1 Ångström typically corresponds to one atomic diameter. Moreover, the quantum sensor can be constructed and implemented in existing laboratories worldwide.
This groundbreaking quantum sensor is poised to open up transformative avenues for engineering quantum materials and devices, designing new catalysts, and exploring the fundamental quantum behavior of molecular systems, such as in biochemistry.As Yujeong Bae, QNS's PI for the project, noted,"The revolution in tools for observing and studying matter emerges from the accumulated basic science.
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