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News tagged with properties

Tighter 'stitching' makes better graphene

(Phys.org) -- Similar to how tighter stiches make for a better quality quilt, the "stitching" between individual crystals of graphene affects how well these carbon monolayers conduct electricity and retain ...

Nanotechnology / Nanomaterials

created Jun 01, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Scientists hone in on size and environmental influence of the quantum dots used in hybrid solar cells

(Phys.org) -- Sometimes to answer big questions, you need to start small-very small. Scientists from Pacific Northwest National Laboratory's Chemical Imaging Initiative did just that when they analyzed cadmium ...

Nanotechnology / Bio & Medicine

created May 31, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Graphene on boron nitride work may lead to breakthrough in microchip technology

(Phys.org) -- Graphene is the wonder material that could solve the problem of making ever faster computers and smaller mobile devices when current silicon microchip technology hits an inevitable wall. Graphene, ...

Nanotechnology / Nanophysics

created May 28, 2012 | popularity 4.6 / 5 (10) | comments 4 | with audio podcast

Reversible doping: Hydrogen flips switch on vanadium oxide

If you are not a condensed matter physicist, vanadium oxide (VO2) may be the coolest material you've never heard of. It's a metal. It's an insulator. It's a window coating and an optical switch. And thanks ...

Physics / Condensed Matter

created May 21, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Excitons: Exotic particles, chilled and trapped, form giant matter wave

Physicists have trapped and cooled exotic particles called excitons so effectively that they condensed and cohered to form a giant matter wave.

Physics / General Physics

created May 24, 2012 | popularity 4.8 / 5 (12) | comments 1 | with audio podcast

Researchers generate electricity from viruses

Imagine charging your phone as you walk, thanks to a paper-thin generator embedded in the sole of your shoe. This futuristic scenario is now a little closer to reality. Scientists from the U.S. Department of Energy's Lawrence ...

Nanotechnology / Bio & Medicine

created May 13, 2012 | popularity 5 / 5 (11) | comments 1 | with audio podcast

All-carbon-nanotube transistor can be crumpled like a piece of paper

(PhysOrg.com) -- Thanks to the flexible yet robust properties of carbon nanotubes, researchers have previously fabricated transistors that can be rolled, folded, and stretched. Now a team from Japan has made ...

Nanotechnology / Nanophysics

created Mar 02, 2012 | popularity 4.8 / 5 (22) | comments 3 | with audio podcast feature

Mechanical properties of stem cells can foretell what they will become

To become better healers, tissue engineering need a timely and reliable way to obtain enough raw materials: cells that either already are or can become the tissue they need to build. In a new study, Brown ...

Biology / Cell & Microbiology

created May 21, 2012 | popularity not rated yet | comments 0 | with audio podcast

Quantum computing: The light at the end of the tunnel may be a single photon

Quantum physics promises faster and more powerful computers, but quantum versions of basic logic functions are still needed to bring this technology to fruition. Researchers from the University of Cambridge and Toshiba Research ...

Physics / Quantum Physics

created May 18, 2012 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

Stretchable graphene transistors overcome limitations of other materials

(PhysOrg.com) -- When it comes to fabricating stretchable, transparent electronics, finding a material to make transistors from has been a significant challenge for researchers. They've explored a variety ...

Nanotechnology / Nanophysics

created Oct 26, 2011 | popularity 5 / 5 (7) | comments 5 | with audio podcast feature

Nanowire lens can reconfigure its imaging properties

(PhysOrg.com) -- By taking advantage of the unique optical properties of nanoscale materials, researchers have designed a lens made of nanowires that can reconfigure its imaging properties without any electronic ...

Nanotechnology / Nanophysics

created Oct 11, 2011 | popularity 5 / 5 (11) | comments 3 | with audio podcast feature

Diamond used to produce graphene quantum dots and nano-ribbons of controlled structure

Kansas State University researchers have come closer to solving an old challenge of producing graphene quantum dots of controlled shape and size at large densities, which could revolutionize electronics and optoelectronics.

Nanotechnology / Nanophysics

created May 17, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Two atoms entangled using microwaves for the first time

Physicists at the National Institute of Standards and Technology have for the first time linked the quantum properties of two separated ions (electrically charged atoms) by manipulating them with microwaves ...

Physics / Quantum Physics

created Aug 10, 2011 | popularity 4.8 / 5 (17) | comments 38 | with audio podcast

New Google data show Microsoft's piracy problems (Update 2)

(AP) -- Google's Internet search engine receives more complaints about websites believed to be infringing on Microsoft's copyrights than it does about material produced by entertainment companies pushing ...

Technology / Internet

created May 24, 2012 | popularity 4 / 5 (1) | comments 6

Graphene's 'quantum leap' takes electronics a step closer

(PhysOrg.com) -- Writing in the journal Nature Physics, the academics, who discovered the world's thinnest material at The University of Manchester in 2004, have revealed more about its electronic properties.

Nanotechnology / Nanomaterials

created Jul 24, 2011 | popularity 4.8 / 5 (18) | comments 2 | with audio podcast