Electrons

A Day In The Life Of An X-ray Laser Coach

SLAC scientist Siqi Li works on new methods to allow researchers using LCLS, our X-ray laser, to observe the motion of electrons or do high-resolution imaging. When she's not working to create more efficient and advanced X-ray lasers, Li likes to...
Related topics: Laser

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Some Polycrystal Grain Boundaries Feel The Heat More Than Others

Researchers have used electron energy loss spectroscopy to directly measure the coefficient of thermal expansion at grain boundaries in the polycrystalline material SrTiO3. The researchers identified differences in the coefficient of expansion...

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How Some Tissues Can 'breathe' Without Oxygen

Humans need oxygen molecules for a process called cellular respiration, which takes place in our cells' mitochondria. Through a series of reactions called the electron transport chain, electrons are passed along in a sort of cellular relay race,...

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Spiders' Motion On A Web Studied As Electrons Orbiting A Nucleus

The tiny male golden orb-weaving spider faces a considerable challenge when searching for a mate. He is a fraction of the size of the massive female, but must carefully enter her web and approach her without being noticed, because the cannibalistic...

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Magnons Vs Electrons: A New Spin On Computer Processing

In 1965, Gordon Moore of Intel predicted that microprocessors would double in speed and capacity every couple of years. This prediction, now known as "Moore's Law," has with some modification in 1975 been reliably prophetic until now. We're fast...
Related topics: Intel

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Electrons Set The Stage For Neutrino Experiments

Neutrinos may be the key to finally solving a mystery of the origins of our matter-dominated universe, and preparations for two major, billion-dollar experiments are underway to reveal the particles' secrets. Now, a team of nuclear physicists have...
Related topics: Neutrinos, Physics

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Scientists Realize Concerted Four-electron Reduction Of Nitrosobenzene

Nitrosobenzene (PhNO) is implicated in a range of chemical transformations. A plethora of transition metal complexes can activate PhNO in various coordination modes, and electron-rich low-valent metal centers can induce reduction of PhNO.

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Bolometers Operate At Higher Temperatures Using New Superconducting Material

Receivers combining a superconducting hot electron bolometer (HEB) with a reference oscillator are the work horses of supra-terahertz astronomy, observing for example star formation and galaxy evolution. Until now, mainly niobium nitride HEBs—that...
Related topics: Superconductors, Space

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Electrons Set The Stage For Neutrino Experiments

Neutrinos may be the key to finally solving a mystery of the origins of our matter-dominated universe, and preparations for two major, billion-dollar experiments are underway to reveal the particles' secrets. Now, a team of nuclear physicists have...
Related topics: Neutrinos, Physics

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A New Topological Magnet With Colossal Angular Magnetoresistance

While electrons are well known to carry both charge and spin, only the electric charge portion is used as an information carrier in modern electronic devices. However, the limits of modern electronics and the impending end of Moore's Law have...

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Modulating The Covalency And Ionicity Distributions In The Electron Localization Function Map

It is well known that most structure features and properties of NLO materials are governed by the distributions of ionic and covalent units in their structures, which can be described in details by electron localization function (ELF) map.

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Dna Replication Under The Microscope

Cryogenic electron microscopy (cryo-EM) has enabled researchers to study how the DNA replication machinery assembles at sites where DNA is damaged.
Related topics: DNA, Genetics, Microscopes

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How Ultracold, Superdense Atoms Become Invisible

Physicists have confirmed that as atoms are chilled and squeezed to extremes, their ability to scatter light is suppressed, making them less visible. The findings show the Pauli exclusion principle, or Pauli blocking, applies not just to electrons...
Related topics: Physics

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Advanced Microscopes Help Scientists Understand How Cells Break Down Proteins

Researchers have used advanced electron microscopes to delve deeper into the process of protein degradation. They described the structure of a key enzyme that helps mediate ubiquitination in yeast, part of a cellular process called the N-degron...
Related topics: Microscopes, Proteins

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Everything But The Catch: '90s Pop Act Or A Successful Mission For Rocket Lab?

2022's plan: Playing with boosters and helicopters Rounding out a successful launch this morning, Rocket Lab has made good on CEO Peter Beck's promise to do pretty much everything bar catching the returning Electron booster in the company's recovery...

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How Ultracold, Superdense Atoms Become Invisible

An atom's electrons are arranged in energy shells. Like concertgoers in an arena, each electron occupies a single chair and cannot drop to a lower tier if all its chairs are occupied. This fundamental property of atomic physics is known as the Pauli...
Related topics: Physics

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Researchers Observe Localized Phonon Modes At A Heterointerface

Phonons—the quasiparticle describing lattice vibrations in solids—directly dictates various properties of solid state systems, such as the thermal conductivity, electron mobility, structural stability and conventional superconductivity. Since in...
Related topics: Superconductors

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Esr-stm On Single Molecules And Molecule-based Structures

Researchers extend single-atom electron spin resonance with STM from atoms to molecules, opening the power of synthetic chemistry to engineer their quantum states.
Related topics: Quantum, Physics

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First Observation Of An Inhomogeneous Electron Charge Distribution On An Atom

Until now, observing subatomic structures was beyond the resolution capabilities of direct imaging methods, and this seemed unlikely to change. Czech scientists, however, have presented a method with which they became the first in the world to...

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Heaviest Element Could Have Fascinating Atomic And Nuclear Spectra

Simulations suggest oganesson has extremely smooth electron and nucleon distributions

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