What did the electron "say" to the phonon in the graphene sandwich?
A TU/e and Catalan Institute of Nanoscience and Nanotechnology-led collaboration involving researchers from around the world has the answer, and the why, and the results have been published in the journal Science Advances......»»
Eavesdropping on the electron: A new method for extracting data from noise
A method developed at the University of Duisburg-Essen makes it possible to read data from noisy signals. Theoretical physicists and their experimental colleagues have published their findings in the current issue of Physical Review Research. The met.....»»
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......»»
Ferroelectric modulation of Fermi level of graphene oxide to enhance SERS response
Surface-enhanced Raman scattering (SERS) is a powerful fingerprint analysis and detection technique that plays an important role in the fields of food safety, environmental protection, bio-imaging and hazardous substance identification. Electromagnet.....»»
Study uncovers giant fluctuation-enhanced phonon magnetic moments in a polar antiferromagnet
Phonons, quasi-particles associated with sounds or lattice vibrations, can carry momentum and angular momentum. However, these quasi-particles are commonly considered to possess negligible magnetic moments......»»
New quantum computing architecture achieves electron charge qubit with 0.1 millisecond coherence time
Coherence stands as a pillar of effective communication, whether it is in writing, speaking or information processing. This principle extends to quantum bits, or qubits, the building blocks of quantum computing. A quantum computer could one day tackl.....»»
Interacting polarons: Physicists simulate interacting quasiparticles in ultracold quantum gas
An electron moving through a solid generates a polarization in its environment due to its electric charge. In his theoretical considerations, the Russian physicist Lev Landau extended the description of such particles by their interaction with the en.....»»
Measuring mechanical stresses and strains in graphene-based supercapacitor electrodes
Texas A&M University researchers have discovered that when charging a supercapacitor, it stores energy and responds by stretching and expanding. This finding can be used to design new materials for flexible electronics or other devices that must be b.....»»
Multimodal graphene-based e-textiles for the realization of customized e-textiles developed for the first time
A joint research team led by Principal Researcher Soongeun Kwon and Professor Young-Jin Kim has developed graphene-based, customized e-textiles, for the first time in the world. They published their findings in ACS Nano in a paper titled, "Multimodal.....»»
Researchers demonstrate a high-speed electrical readout method for graphene nanodevices
Graphene is well-known for its high electrical conductivity, mechanical strength, and flexibility. Stacking two layers of graphene with atomic layer thickness produces bilayer graphene, which possesses excellent electrical, mechanical, and optical pr.....»»
Electron-rich metals make ceramics tough to crack
Researchers have discovered a way to make ceramics tougher and more resistant to cracking. By building these materials using a blend of metal atoms possessing more electrons in their outer shell, a team led by engineers at the University of Californi.....»»
Electrical control of quantum phenomenon could improve future electronic devices
A new electrical method to conveniently change the direction of electron flow in some quantum materials could have implications for the development of next-generation electronic devices and quantum computers......»»
Interplay of free electrons: Tailored electron pulses for improved electron microscopy
Electron microscopes provide unique vistas of nanoscale structures, but their resolution is limited by the mutual repulsion of electrons. Researchers in Göttingen have now succeeded in precisely measuring the influence of these interactions. They di.....»»
Phonon engineering for extended lasing beyond the fluorescence spectrum
The electron and phonon are two fundamental particles (quasi-particles) of condensed matter and their interplay in single crystals can create many interesting physical phenomena, such as polaritons, charge density waves and up-conversion fluorescence.....»»
Creating a broadband diffractive graphene orbital angular momentum metalens by laser nanoprinting
Optical beams carrying orbital angular momentum (OAM) attract widespread attention and play an important role in optical data storage, optical communications, quantum information processing, super-resolution imaging, and optical trapping and manipula.....»»
Research shows how topology can help create magnetism at higher temperatures
Researchers who have been working for years to understand electron arrangement and magnetism in certain semimetals have been frustrated by the fact that the materials only display magnetic properties if they are cooled to just a few degrees above abs.....»»
Ionic crystal generates molecular ions upon positron irradiation
The positron, the antiparticle of the electron, has the same mass and charge as that of an electron but with the sign flipped for the charge. It is an attractive particle for scientists because the use of positrons has led to important insights and d.....»»
Researchers reveal mechanism of efficient upconversion in two-dimensional perovskite
Recently, a research team led by Prof. Liu Xinfeng from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS) reported the efficient phonon-assisted upconversion luminescence in a quasi-two-dimensional pe.....»»
Researchers catch protons in the act of dissociation with ultrafast "electron camera"
Scientists have caught fast-moving hydrogen atoms—the keys to countless biological and chemical reactions—in action......»»
Rebuilt Microsoft Teams app promises twice the speed and half the RAM usage
Microsoft dumps Electron framework for its own Edge WebView2 backend. Enlarge / The reformulated Microsoft Teams app. (credit: Microsoft) If you or your employer uses Microsoft Teams for communication, good news: Micros.....»»
Laser-scribed graphene for sensors
With the development of the information era, sensors capable of transmitting and detecting information have become the leading way to obtain information. Therefore, building a sensor system with a wide detection range, high sensitivity and fast respo.....»»