Quantum computers have made extraordinary progress over the past decade, and
significant milestones have been achieved along the path of pursuing universal fault-tolerant …

Measuring magnetic response from spin and current is of fundamental interest in condensed
matter physics. Negatively charged nitrogen-vacancy (NV^−) centers in diamond are …

One of the long-standing challenges in experimental physics is the observation of room-
temperature superconductivity 1, 2. Recently, high-temperature conventional …

Developing robust microwave-field sensors is both fundamentally and practically important
with a wide range of applications from astronomy to communication engineering. The …

Quantum metrology is a powerful tool for explorations of fundamental physical phenomena
and applications in material science and biochemical analysis. While in principle the …

Nitrogen-vacancy (NV) centers in diamond can be used as quantum sensors to image the
magnetic field with nanoscale resolution. However, nanoscale electric-field mapping has not …

State-of-the-art magnetic field measurements performed in shielded environments under
carefully controlled conditions rarely reflect the realities of those applications envisioned in …

Although free radicals, which are generated by macrophages play a key role in antimicrobial
activities, macrophages sometimes fail to kill Staphylococcus aureus (S. aureus) as bacteria …

Free radicals play a key role in the ageing process. However, free radicals are small,
reactive and short lived and thus challenging to measure. We utilize a new technique called …

Spin defects existing in van der Waals materials attract wide attention thanks to their natural
advantages for in situ quantum sensing, especially the negatively charged boron vacancy …