RSS Daily tech news
  • The hidden atomic gap that could break next-generation computer chips
    A major obstacle may be standing in the way of the next generation of ultra-tiny computer chips. Researchers discovered that many promising 2D materials lose their advantages because an invisible atomic-scale gap forms when they are combined with insulating layers. That tiny gap weakens electronic performance and could prevent further miniaturization. The team says new […]
  • Stanford’s new chip boosts light 100x with surprisingly low energy
    Researchers at Stanford have developed a compact optical amplifier that dramatically boosts light signals using very little power. By recycling energy inside a looping resonator, the device achieves strong amplification with minimal noise and wide bandwidth. Its efficiency and small size mean it could run on batteries and be integrated into consumer electronics. This breakthrough […]
  • Scientists capture electrons forming strange patchy patterns inside quantum materials
    Researchers have, for the first time, directly visualized how electronic patterns known as charge density waves evolve across a phase transition. Using cutting-edge microscopy, they found these patterns form unevenly, breaking into patches influenced by tiny structural distortions. Unexpectedly, small pockets of order persist even above the transition temperature. This reveals that electronic order fades […]
  • First ever atomic movie reveals hidden driver of radiation damage
    Researchers have visualized atoms in motion just before a radiation-driven decay process occurs, revealing a surprisingly dynamic scene. Instead of remaining fixed, the atoms roam and rearrange, directly influencing how and when the decay unfolds. This “atomic movie” shows that structure and motion play a central role in radiation damage mechanisms. The findings could improve […]
  • MIT scientists finally see hidden quantum “jiggling” inside superconductors
    MIT physicists have built a powerful new microscope that uses terahertz light to uncover hidden quantum motions inside superconductors. By compressing this normally unwieldy light into a tiny region, they were able to observe electrons moving together in a frictionless, wave-like state for the first time. This discovery opens a new window into how superconductors […]
  • A lab mistake at Cambridge reveals a powerful new way to modify drug molecules
    Cambridge scientists have discovered a light-powered chemical reaction that lets researchers modify complex drug molecules at the final stages of development. Unlike traditional methods that rely on toxic chemicals and harsh conditions, the new approach uses an LED lamp to create essential carbon–carbon bonds under mild conditions. This could make drug discovery faster and more […]

Category

Exchange interaction
Electrons prefer parallel spins due to the quantum mechanical concept of exchange energy, which lowers their system's total energy. This preference is a result of...
Educational graphic explaining ferromagnetism, showing magnetic domains, domain walls, exchange interaction versus atomic separation, and atomic orbital shapes contributing to magnetic behavior.
The basics of ferromagnetism
Magnetism is the force that is exerted by magnets when they repel or attract each other. It is caused by the motion of electric charges....
Featured image of the introduction to skyrmions
An introduction to Skyrmions
Skyrmions are a class of topological solitons discovered by Tony Skyrme in the 1960s, he used this concept to describe how subatomic particles exist as...
Diagram of the Bohr atom model with electron orbit levels labeled n=1n=1 to n=7n=7, showing Lyman, Balmer, and Paschen series, and a spectral intensity graph in the lower left.
The Bohr atom model
The Bohr model revolutionized our understanding of the atom. It proposed electrons exist in fixed energy levels, challenging classical physics. This explained the hydrogen spectrum...
Illustration of a ferromagnetic resonance (FMR) spectroscopy setup showing a microwave signal line, ground planes, and a ferromagnetic sample on a metal substrate, with vector directions and magnetic field labels. An inset graph displays a typical FMR absorption derivative spectrum.
Ferromagnetic Resonance (FMR) spectroscopy
Ferromagnetic resonance (FMR) is a powerful tool for investigating magnetism in materials. By applying a microwave field and measuring its absorption, FMR reveals details like...
Illustration of spin pumping showing magnetization dynamics in a ferromagnet (F) transferring spin current into a non-magnetic layer (N), with vectors and precession visualized, and the title "Spin pumping: An Introductory Overview".
Spin pumping: An Introductory Overview
With STT, we have seen that a current can move magnetization, but the reciprocal effect is also possible, namely the generation of a spin current...