News tagged with lattice vibrations


Researchers team up to probe iron-arsenic superconductors with new instrument

Physics / General Physics

created Oct 10, 2008 | popularity 4.8 / 5 (10) | comments 1

Researchers at the U.S. Department of Energy's Ames Laboratory are part of collaborative team that's used a brand new instrument at the DOE's Spallation Neutron Source to probe iron-arsenic compounds, the "hottest" new find ...





Search results for lattice vibrations


Graphite oxide at high pressure opens a road to new amazing nano-materials

Nanotechnology / Nanomaterials

created 23 hours ago | popularity 5 / 5 (2) | comments 1

(PhysOrg.com) -- New results by scientists at Umeľ University, Sweden, show that not only water but also alcohol solvents can be inserted to expand the structure of graphite oxide under high pressure conditions. The ...


Chemical energy influences tiny vibrations of red blood cell membranes

Chemical energy influences tiny vibrations of red blood cell membranes

Chemistry / Biochemistry

created 23 hours ago | popularity 4.8 / 5 (6) | comments 0

(PhysOrg.com) -- Much like a tightly wound drum, red blood cells are in perpetual vibration. Those vibrations help the cells maintain their characteristic flattened oval or disc shape, which is critical to ...


Physicists propose quantum entanglement for motion of microscopic objects

Physics / Quantum Physics

created Dec 21, 2009 | popularity 4.3 / 5 (11) | comments 10

Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.


Graphene

Researcher Uses Graphene Quilts to Keep Things Cool

Nanotechnology / Nanomaterials

created Dec 21, 2009 | popularity 4.6 / 5 (10) | comments 1

(PhysOrg.com) -- University of California, Riverside Professor of Electrical Engineering and Chair of Materials Science and Engineering Alexander Balandin is leading several projects to explore ways to use ...


Almost two-thirds of pregnant women believe they are regularly exposed to physical risk at work

Almost two-thirds of pregnant women believe they are regularly exposed to physical risk at work

Medicine & Health / Health

created Dec 17, 2009 | popularity not rated yet | comments 0

A new study shows the employment and sociodemographic characteristics involved in the exposure of pregnant women to workplace hazards. Of these, 56% say they often work standing up or have to lift heavy objects, ...


Everlasting Quantum Wave: Physicists Predict New Form of Soliton in Ultracold Gases

Everlasting Quantum Wave: Physicists Predict New Form of Soliton in Ultracold Gases

Physics / Quantum Physics

created Dec 16, 2009 | popularity 4.7 / 5 (10) | comments 2

(PhysOrg.com) -- Solitary waves that run a long distance without losing their shape or dying out are a special class of waves called solitons. These everlasting waves are exotic enough, but theoreticians at ...


Small Fingers More Touch Sensitive

Small Fingers More Touch Sensitive

Medicine & Health / Neuroscience

created Dec 16, 2009 | popularity 4.7 / 5 (3) | comments 0

When it comes to finger sensitivity, bigger isn't always better.


Watching Proteins Direct Crystal Growth One Step at a Time (w/ Video)

Watching Proteins Direct Crystal Growth One Step at a Time (w/ Video)

Nanotechnology / Nanophysics

created Dec 16, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- Scientists at Berkeley Lab's Molecular Foundry imaged the growth of protein-studded mineral surfaces with unprecedented resolution and provided a glimpse into how living systems engineer key ...


Micromachined piezoelectric harvester drives fully autonomous wireless sensor

Micromachined piezoelectric harvester drives fully autonomous wireless sensor

Technology / Engineering

created Dec 15, 2009 | popularity 5 / 5 (11) | comments 1

For the first time, a piezoelectric harvesting device fabricated by MEMS technology generates a record of 85μW electrical power from vibrations. A wafer level packaging method was developed for robustness. ...


Scientists Investigate Cause of 'Singing Dunes'

Scientists Investigate Cause of 'Singing Dunes'

Physics / General Physics

created Dec 15, 2009 | popularity 4.4 / 5 (21) | comments 7

(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...



List of search results for lattice vibrations