Search results for nitrogen-vacancy

Optics & Photonics Oct 19, 2023

Miniature magnetic resonance imager made of diamond

The development of tumors begins with miniscule changes within the body's cells; ion diffusion at the smallest scales is decisive in the performance of batteries. Until now, the resolution of conventional imaging methods ...

Condensed Matter Oct 12, 2023

Elevating neuromorphic computing using laser-controlled filaments in vanadium dioxide

In a new Science Advances study, scientists from the University of Science and Technology of China have developed a dynamic network structure using laser-controlled conducting filaments for neuromorphic computing.

Analytical Chemistry Sep 27, 2023

Selenium vacancies regulate d-band centers for upgrading N-containing compounds

A recent study published in Science China Chemistry was led by Prof. Feng Fu (Research Institute of Comprehensive Energy Industry Technology, College of Chemistry & Chemical Engineering, Yan'an University). The experiments ...

Quantum Physics Sep 27, 2023

Exploring exotic spin interactions at microscale using solid-state spin quantum sensors

A team of researchers led by Academician DU Jiangfeng from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has made a significant breakthrough in exploring exotic spin interactions. ...

Condensed Matter Sep 7, 2023

Tuning the Chern number in the nitrogen-vacancy center in diamond

The Chern number, an invariant quantity that characterizes topological phases in physical systems, was recently tuned in a controlled fashion by researchers from Tokyo Tech. They achieved this feat in an electronic-nuclear ...

Condensed Matter Sep 7, 2023

Researchers develop a protocol to extend the life of quantum coherence

For years, researchers have tried various ways to coax quantum bits—or qubits, the basic building blocks of quantum computers—to remain in their quantum state for ever-longer times, a key step in creating devices like ...

Condensed Matter Aug 2, 2023

Sensing and controlling microscopic spin density in materials

Electronic devices typically use the charge of electrons, but spin—their other degree of freedom—is starting to be exploited. Spin defects make crystalline materials highly useful for quantum-based devices such as ultrasensitive ...

Analytical Chemistry Jul 31, 2023

Water-durable perovskite-oxynitride supported nickel catalysts for ammonia decomposition

Hydrogen has become the beacon of clean energy owing to its high energy density and carbon-free emissions. Despite these advantages, hydrogen fuel is still far from being commercialized. Liquefying hydrogen requires a huge ...

Condensed Matter Jul 27, 2023

Tailoring quantum oscillations of a Bose-Einstein condensate of excitons as qubits

What plagues quantum upscaling? Most quantum computing devices are dependent on using complex physical phenomena that are either very short-lived (~10-12 seconds) and/or only survive at ultra-low temperatures (e.g., 10-3 ...

Nanophysics Jul 21, 2023

Spin defects in hexagonal boron nitride created by helium ion bombardment

National University of Singapore (NUS) physicists have developed a method using a focused beam of helium ions to create arrays of defects in hexagonal boron nitride (hBN) that can potentially be used for magnetic sensing ...

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