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Direct view of tantalum oxidation that impedes qubit coherence

ScienceDaily   -   General News Websites

Scientists have used a combination of scanning transmission electron microscopy (STEM) and computational modeling to get a closer look and deeper understanding of tantalum oxide. When this amorphous oxide layer forms on the surface of tantalum -- ...

Feb 5, 2024

Magnesium protects tantalum, a promising material for making qubits

ScienceDaily   -   General News Websites

Scientists have discovered that adding a layer of magnesium improves the properties of tantalum, a superconducting material that shows great promise for building qubits, the basis of quantum computers. The scientists show that a thin layer of magn...

Feb 5, 2024

Research offer direct view of tantalum oxidation that impedes qubit coherence

Phys.org   -   Scientific News Websites

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and DOE's Pacific Northwest National Laboratory (PNNL) have used a combination of scanning transmission electron microscopy (STEM) and computational model...

Feb 5, 2024

Magnesium protects tantalum, a promising material for making qubits

Phys.org   -   Scientific News Websites

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have discovered that adding a layer of magnesium improves the properties of tantalum, a superconducting material that shows great promise for building qubits, ...

Feb 5, 2024

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

Phys.org   -   Scientific News Websites

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 work is published in the...

Feb 5, 2024

Ultra-sensitive lead detector could significantly improve water quality monitoring

Phys.org   -   Scientific News Websites

Engineers at the University of California San Diego have developed an ultra-sensitive sensor made with graphene that can detect extraordinarily low concentrations of lead ions in water. The device achieves a record limit of detection of lead down ...

Feb 5, 2024

Unveiling the generation principles of charged particles 'trion' in 2D semiconductors

Nanowerk   -   Nanotechnology Websites

Researchers pioneer dynamic manipulation and the generation principles of trion at the nanoscale using tip-enhanced cavity-spectroscopy.

Feb 5, 2024

Quantum testbeds provide gateway to large-scale quantum computing

Physics World   -   Nanotechnology Websites

Seven quantum hardware companies have been awarded multimillion-pound contracts to build a series of quantum testbeds at the National Quantum Computing Centre by March 2025 The post Quantum testbeds provide gateway to large-scale quantum computing...

Feb 5, 2024

Graphene-based lead detector could significantly improve water quality monitoring

Nanowerk   -   Nanotechnology Websites

The graphene-based sensor achieves a record limit of detection of lead down to the femtomolar range, which is one million times more sensitive than previous sensing technologies.

Feb 5, 2024

Long-lived qubits survive as ‘islands’ in a noisy environment

Physics World   -   Nanotechnology Websites

Discovery could aid the development of quantum computing architectures in which qubits are implanted randomly into a host matrix The post Long-lived qubits survive as ‘islands’ in a noisy environment appeared first on Physics World.

Feb 5, 2024

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