Search results for nitrogen-vacancy

Condensed Matter Feb 12, 2024

How semiconductor defects could boost quantum technology

In diamonds (and other semiconducting materials), defects are a quantum sensor's best friend. That's because defects, essentially a jostled arrangement of atoms, sometimes contain electrons with an angular momentum, or spin, ...

Condensed Matter Feb 8, 2024

Technique could improve the sensitivity of quantum sensing devices

In quantum sensing, atomic-scale quantum systems are used to measure electromagnetic fields, as well as properties like rotation, acceleration, and distance, far more precisely than classical sensors can. The technology could ...

Nanophysics Feb 5, 2024

Team observes third-order exceptional line in nitrogen-vacancy spin system

Researchers have systematically studied the relations between symmetries and high-order non-Hermitian exceptional points (EPs), and observed the third-order exceptional line (EL) in a nitrogen-vacancy (NV) spin system. The ...

Analytical Chemistry Feb 2, 2024

Researchers realize photo-driven nitrogen fixation and ammonia synthesis mediated by lithium hydride

Ammonia is essential for food and future energy supply. In the industry, it is mainly produced by the Haber-Bosch process, which operates at high temperatures and pressures. Due to the high energy consumption and carbon emissions ...

Condensed Matter Jan 23, 2024

Quantum magnetometers detect smallest material defects at an early stage

Quantum magnetometers are able to detect and visualize the tiniest damage in ferromagnetic materials. In aerospace technology or the automotive industry, they can help to significantly increase the resilience and safety of ...

Condensed Matter Jan 10, 2024

In novel quantum computer design, qubits use magnets to selectively communicate

Researchers have begun to use magnets to entangle qubits, the building blocks of quantum computers. This simple technique could unlock complex capabilities.

Nanomaterials Dec 13, 2023

Embedding nanodiamonds in polymer can advance quantum computing and biological studies

A nitrogen-vacancy (NV) center is a defect in the crystal structure of diamond, where a nitrogen atom replaces a carbon atom in the diamond lattice and a neighboring site in the lattice is vacant. This and other fluorescent ...

Quantum Physics Dec 8, 2023

Diamond quantum sensors measure neuron activity

A recent study by European scientists shows that highly sensitive sensors based on color centers in a diamond can be used to record electrical activity from neurons in living brain tissue. The work is published in the journal ...

Analytical Chemistry Dec 5, 2023

Scientists develop a new high-efficiency mercury removal photocatalyst

Scientists from Shanghai University of Electric Power of College of Energy and Mechanical Engineering have developed a new high-efficiency mercury removal photocatalyst.

Quantum Physics Nov 3, 2023

Realizing in situ electron paramagnetic resonance spectroscopy using single nanodiamond sensors

Researchers have used the nitrogen-vacancy (NV) center inside a single nanodiamond for quantum sensing to overcome the problem of random particle rotation. Their study is published in Nature Communications.

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