News tagged with metallic properties

Physicists show standard 'quasiparticle' theory breaks down at 'quantum critical point'

A new study this week finds that "quantum critical points" in exotic electronic materials can act much like polarizing "hot button issues" in an election. Reporting in Nature, researchers from Rice Univer ...

Physics / General Physics

created Apr 25, 2012 | popularity 4.7 / 5 (3) | comments 6 | with audio podcast

Metal oxides hold the key to cheap, green energy

Harnessing the energy of sunlight can be as simple as tuning the optical and electronic properties of metal oxides at the atomic level by making an artificial crystal or super-lattice 'sandwich' says a Binghamton ...

Nanotechnology / Nanomaterials

created Apr 19, 2012 | popularity 4.9 / 5 (10) | comments 0 | with audio podcast

Rare earth metals: Another challenge for the green economy?

If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity not rated yet | comments 1

Mn-doped ZnS is unsuitable to act as a dilute magnetic semiconductor

Dilute magnetic semiconductors (DMS) have recently been a major focus of magnetic semiconductor research. A laboratory from the University of Science and Technology of China explored the feasibility of doping ...

Physics / Condensed Matter

created Feb 20, 2012 | popularity 5 / 5 (1) | comments 0

Magnetic spin on non-magnetic materials

(PhysOrg.com) -- Nanotechnologists from the University of Twente's MESA+ and MIRA research institutes have developed a method for incorporating magnetic elements into non-magnetic materials in a highly controlled ...

Nanotechnology / Nanophysics

created Feb 14, 2012 | popularity 4.7 / 5 (6) | comments 0

Fool's gold may prove an unlikely alternative to overexploited catalytic materials

Catalytic materials, which lower the energy barriers for chemical reactions, are used in everything from the commercial production of chemicals to catalytic converters in car engines. However, with current catalytic materials ...

Chemistry / Materials Science

created Feb 10, 2012 | popularity 4.4 / 5 (10) | comments 9 | with audio podcast

World's first magnetic soap produced

Scientists from the University of Bristol have developed a soap, composed of iron rich salts dissolved in water, that responds to a magnetic field when placed in solution. The soap's magnetic properties were ...

Chemistry / Materials Science

created Jan 23, 2012 | popularity 4.9 / 5 (10) | comments 1 | with audio podcast

Particle-free silver ink prints small, high-performance electronics

University of Illinois materials scientists have developed a new reactive silver ink for printing high-performance electronics on ubiquitous, low-cost materials such as flexible plastic, paper or fabric substrates.

Nanotechnology / Nanomaterials

created Jan 13, 2012 | popularity 5 / 5 (11) | comments 2 | with audio podcast

Experiments prove nanoscale metallic conductivity in ferroelectrics

(PhysOrg.com) -- The prospect of electronics at the nanoscale may be even more promising with the first observation of metallic conductance in ferroelectric nanodomains by researchers at Oak Ridge National ...

Nanotechnology / Nanophysics

created Jan 09, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

New technique makes it easier to etch semiconductors

Creating semiconductor structures for high-end optoelectronic devices just got easier, thanks to University of Illinois researchers.

Nanotechnology / Nanophysics

created Dec 22, 2011 | popularity 3.6 / 5 (5) | comments 3 | 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

Tunable nano-suspensions for light harvesting

A Syracuse University researcher has developed a patent-pending robust process to manufacture stable suspensions of metal nanoparticles capable of capturing sunlight.

Nanotechnology / Nanophysics

created Aug 22, 2011 | popularity 5 / 5 (3) | comments 2

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

Mediating magnetism

(PhysOrg.com) -- Titanium oxide doped with cobalt produces magnetic properties at room temperature via a newly discovered mechanism.

Physics / General Physics

created May 04, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Heavy metals open path to high temperature nanomagnets

How would you like to store all the films ever made on a device the size of an I-phone?

Nanotechnology / Nanophysics

created Mar 28, 2011 | popularity 5 / 5 (1) | comments 1