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Synergistic promotion of proton relay and *CO hydrogenation in Cu-Zn tandem catalysts for highly efficient electrocatalytic CO2-to-CH4 conversion
image: CuZn800@C was constructed via solvothermal method and utilizes the high-temperature volatility of zinc to prepare through calcination at different temperatures, which displays a high methane Faradaic efficiency of 64.5% and a remarkable partial current density of -551.3 mA/cm2 at -1.7 V vs. RHE, along with excellent stability. Zn and Cu form a tandem reaction system. Zn sites promote water splitting to provide protons, while Cu sites reduce the energy barrier for *CO h
2 days ago3 min read


Graphene accelerates spin-charge transfer to boost valley polarization in 2D magnetic heterostructures
In this work, we report a method for controlling interlayer spin-charge transfer in WS2/CrBr3 heterostructure through the proximity coupling of graphene and achieve a giant chirality-dependent valley polarization splitting. The spin-charge transfer time between WS2 and CrBr3 in WS2/CrBr3 heterostructure is reduced from 17.3 ps to 1.3 ps when it is coupled with a few-layered graphene, while the maximum valley polarization and polarization splitting of trion excitons in WS2 are
3 days ago3 min read


Helium lifts new quantum computing concept
Breakthrough from a team led by Jacob Covey, associate professor in the University of Chicago’s Pritzker School of Molecular Engineering and Department of Physics, turns helium-3’s low mass into a quantum resource
3 days ago4 min read


AI for materials needs to be more physics-aware
Michele Simoncelli’s group introduces a new benchmark to evaluate how well machine learning models for atomic interactions translate quantum characteristics into macroscopic physical properties
3 days ago4 min read


Spintronics hardware for energy-efficient AI
Artificial intelligence is transforming the way we work and live, but training AI models requires enormous amounts of computing power and energy. Finding new ways to make AI faster and more energy efficient is becoming one of the biggest challenges in the field. Researchers from the R. Ferreira group at INL have developed a new type of spintronic hardware that allows artificial intelligence to potentially learn directly on the chip, making the learning process more efficient.
Aug 312 min read


S-Transistors raises €2.6 million pre-seed round to introduce a unique superconducting transistor platform for scalable orchestration of quantum computers
The new Finnish startup is disrupting the ways of controlling large-scale quantum computers by delivering a completely new class of electronic devices – superconducting transistors. These novel devices combine the computational power of transistors with the ultra-low power dissipation of superconductors. S-Transistors is developing first-of-its-kind quantum motherboards that will provide energy- and cost-efficient orchestration of cryogenic quantum computers at scale. Espoo,
Aug 314 min read


Capturing fleeting changes in “nanoscale light”—femtosecond nano-imaging reveals ultrafast optical control of phonon polariton
In this study, researchers developed an ultrafast infrared near-field optical microscopy technique that combines nanoscale spatial resolution and an approximately 150-femtosecond temporal resolution with a spectral resolution of about 10 cm⁻¹.
Aug 303 min read


New low-resistance contacts pave way for improved gallium nitride semiconductor devices
A team led by Haitao Wang and Jia Wang at the Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, has come up with a new way of lowering the resistance of p-type GaN contacts.
Aug 294 min read


Universal Pattern Revealed in Quantum Matter
A line of orange atoms is depicted in blue laser tweezers. @ California Institute of Technology Physicists use advanced quantum technologies to test decades-old theory predictions When different materials transition from one phase to another, such as water coming to a boil or a magnet losing its ability to attract metals, something remarkable can happen: They begin to behave identically, following the same mathematical rules. "Physicists call this trait universality—the messy
Aug 264 min read


NIST Researchers Supersize Quantum Technology to Help Detect Faint Photons
In this illustration, photons hit a strip of superconducting wire, disrupting the electric current and registering an electric pulse. Each pulse tells researchers about the light that has hit the detector, which is beneficial for applications like biomedical imaging and astronomy. Credit: Natasha Hanacek/NIST Our everyday life is flooded with photons, the quantum building blocks of light. For cutting-edge technology, from quantum computing to deep-tissue imaging, detecting ev
Aug 264 min read


New Quantum Microscopy Trick Quadruples Microscope Resolution
Credit: Caltech Three years after a team of Caltech scientists showed that pairs of entangled photons could double the resolution of a light microscope, the same lab has figured out a way to double down on that improvement. They have now achieved a fourfold resolution boost compared to a classical microscope, using a new optical design that sends one of the entangled photons through the microscope's optics three times rather than just once. The work, led by Lihong Wang, the B
Aug 264 min read


A new trick brings stability to quantum operations
In a swap gate, neighbouring qubit states (blue and beige) are exchanged. The qubits are made of cold atoms trapped inside an artificial crystal created by laser light. (Image: Mika Blackmore-Esslinger / ETH Zurich) Quantum bits, or qubits, which are required for building quantum computers, come in different kinds. In recent years, many research institutes and companies have focused on superconducting circuits and trapped ions. However, neutral atoms trapped with laser light
Aug 264 min read
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