News tagged with atomic electrons

Researchers image atomic structural changes that control properties of sapphires

Materials scientists from Case Western Reserve University and the Institute of Solid State Research in Julich, Germany have produced particularly clear changes in the atomic structure of sapphire following deformation at ...

Physics / Condensed Matter

created Nov 25, 2010 | popularity 3.6 / 5 (5) | comments 0 | with audio podcast

Damaging graphene to create a band gap

(PhysOrg.com) -- "Graphene offers a lot of interesting potential applications for nanoelectronics," Florian Banhart tells PhysOrg.com, "but there is no band gap. This is a well-known problem. Without the band gap, switch ...

Nanotechnology / Nanophysics

created Nov 22, 2010 | popularity 3.2 / 5 (9) | comments 2 | with audio podcast feature

Bulky molecules trap boron compounds into a never-before-seen structural arrangement

When it comes to chemical bonding, boron has a reputation for being unconventional. While covalent bonds are usually formed by sharing two electrons between two atoms, some compounds—including diboranes ...

Chemistry / Materials Science

created Nov 19, 2010 | popularity 4.7 / 5 (11) | comments 0 | with audio podcast

Antihydrogen trapped for first time (w/ Video)

(PhysOrg.com) -- In the movie Angels and Demons, scientists have solved one of the most perplexing scientific problems: the capture and storage of antimatter. In real life, trapping atomic antimatter has never ...

Physics / General Physics

created Nov 17, 2010 | popularity 4.9 / 5 (44) | comments 26 | with audio podcast

Electrons get confused: Researchers may have observed the fastest melting of all time

Scientists from Helmholtz-Zentrum Berlin (HZB) observed exotic behaviour from beryllium oxide (BeO) when they bombarded it with high-speed heavy ions: After being shot in this way, the electrons in the BeO ...

Physics / General Physics

created Nov 03, 2010 | popularity 4.3 / 5 (3) | comments 0

Scientists investigate atomic-scale mechanisms of nanowire growth process

(PhysOrg.com) -- Nanowires can be grown in many ways, but one of the lesser-understood growth processes is vapor-liquid-solid (VLS) growth. In VLS, a vapor adsorbs onto a liquid droplet, and the droplet transports ...

Nanotechnology / Nanophysics

created Nov 01, 2010 | popularity 4 / 5 (7) | comments 0 | with audio podcast feature

Direct laser cooling of molecules

Cooling molecules with lasers is harder than cooling individual atoms with lasers. The very process of laser cooling, in which atoms are buffeted by thousands of photons, was thought by many to be impossible for molecules ...

Physics / General Physics

created Oct 21, 2010 | popularity 5 / 5 (3) | comments 1

Physicists observe electron ejected from atom for first time

Physicists at the University of California, Berkeley in collaboration with researchers from the Max Planck Institute of Quantum Optics and the U.S. Department of Energy's Lawrence Berkeley National Laboratory, became the ...

Physics / General Physics

created Oct 12, 2010 | popularity 4.7 / 5 (33) | comments 7 | with audio podcast

Researchers discover a new class of highly electronegative chemical species

(PhysOrg.com) -- An international team of researchers has discovered a new class of highly electronegative chemical species called hyperhalogens, which use superhalogens as building blocks around a metal atom. The new chemical ...

Chemistry / Materials Science

created Oct 08, 2010 | popularity 4.9 / 5 (12) | comments 4 | with audio podcast

One-dimensional window on superconductivity, magnetism: Atoms are proxies for electrons in ultracold optical emulator

A Rice University-led team of physicists is reporting the first success in a three-year effort to build a precision simulator for superconductors using a grid of intersecting laser beams and ultracold atomic ...

Physics / Superconductivity

created Sep 29, 2010 | popularity 4.8 / 5 (13) | comments 2 | with audio podcast

Single electron reader opens path for quantum computing

Researchers from University of New South Wales (Australia), University of Melbourne (Australia), and Aalto University (Finland) have succeeded in demonstrating a high-fidelity detection scheme for the magnetic ...

Physics / Quantum Physics

created Sep 27, 2010 | popularity 4.9 / 5 (27) | comments 1 | with audio podcast

Engineer shrinks 'U' logo

In an example of how a technology wonk displays school spirit, an engineer has created a golden University of Utah logo that is smaller than the width of an average human hair.

Nanotechnology / Nanomaterials

created Sep 17, 2010 | popularity not rated yet | comments 0

A closer look at ring opening: Electron diffraction studies of photoswitchable molecules

(PhysOrg.com) -- We use a switch to turn lights off and on; however, light can also act as a switch itself, for example when molecules change their structure upon irradiation. Photoswitchable molecules are ...

Chemistry / Analytical Chemistry

created Sep 09, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast

The perfect nanocube: Precise control of size, shape and composition

(PhysOrg.com) -- With growing interest in using nanoparticles for everything from antibacterial socks to medical imaging to electronic devices, the need to understand the environmental, health and safety risks ...

Nanotechnology / Nanomaterials

created Sep 01, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Turning down the noise in graphene

(PhysOrg.com) -- Graphene is a two-dimensional crystalline sheet of carbon atoms - meaning it is only one atom thick - through which electrons can race at nearly the speed of light - 100 times faster than ...

Nanotechnology / Nanomaterials

created Aug 06, 2010 | popularity 4.8 / 5 (11) | comments 0 | with audio podcast