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News tagged with substrate

Related topics: electrons , graphene , silicon

Light control technique could lead to tunable lighting and displays

(PhysOrg.com) -- Over the past several years, organic light-emitting diodes (OLEDs) have become a popular light source due to their advantages including bright displays, wide viewing angles, and the ability ...

Physics / General Physics

created Jan 11, 2012 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast feature

Researchers improve efficiency of low-cost solar cells

(PhysOrg.com) -- As part of the recent progress in improving solar cells for widespread use, researchers from Purdue University have designed solar cells made of low-cost, abundant materials that are easily ...

Nanotechnology / Nanomaterials

created Dec 07, 2010 | popularity 4.5 / 5 (19) | comments 25 | with audio podcast feature

Scientists report significant advances in flexible electronics research

In work that represents a key step toward bringing bendable, flexible electronic devices into our homes and businesses, Stanford University researchers have created very thin, high-performance transistors using networks of ...

Nanotechnology / Nanomaterials

created Jun 18, 2009 | popularity 4.8 / 5 (10) | comments 1 feature

Atom Pinhole Camera Acts as a Shrinking Copy Machine

(PhysOrg.com) -- In 1983, Richard Feynman proposed the idea of a machine that could create smaller scale replicas of itself. Today, such a system is still a challenge, but a machine that can produce nanometer-sized ...

Nanotechnology / Nanophysics

created Jun 01, 2009 | popularity 4.4 / 5 (20) | comments 8 feature

Researchers find possible evidence of Majorana fermions

(Phys.org) -- Researchers working out of Delft University of Technology in the Netherlands have constructed a device that appears to offer some evidence of the existence of Majorana fermions; the elusive particles ...

Physics / General Physics

created Apr 13, 2012 | popularity 4.8 / 5 (25) | comments 4 | with audio podcast report

Graphene battery demonstrated to power an LED

(PhysOrg.com) -- Scientists in Hong Kong have reported, in ArXiv, their experiments to make a graphene battery that they say generates an electrical current by drawing on the ambient thermal energy in the sol ...

Nanotechnology / Nanomaterials

created Mar 16, 2012 | popularity 4.1 / 5 (25) | comments 24 | with audio podcast report

'Dark plasmons' transmit energy

Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.

Nanotechnology / Nanophysics

created Feb 09, 2012 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

Researchers ink nanostructures with tiny 'soldering iron'

Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) have shed light on the role of temperature in controlling a fabrication technique for drawing chemical patterns as small as 20 nanometers. ...

Nanotechnology / Nanophysics

created Nov 07, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Graphene walls could make powerful electronics

(PhysOrg.com) -- To stand a ribbon of graphene upright, it needs diamond on the soles of its shoes.

Nanotechnology / Nanomaterials

created Sep 27, 2011 | popularity 4 / 5 (6) | comments 4 | with audio podcast

Hot nickel nudges graphene: Study simplifies manufacture of semiconducting bilayer graphene

(PhysOrg.com) -- By heating metal to make graphene, Rice University researchers may warm the hearts of high-tech electronics manufacturers.

Nanotechnology / Nanomaterials

created Sep 16, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Resistive switches based on piezoelectric nanowires allow electrical signals to be produced from mechanical actions

(PhysOrg.com) -- Taking advantage of the unique properties of zinc oxide nanowires, researchers have demonstrated a new type of piezoelectric resistive switching device in which the write-read access of memory ...

Nanotechnology / Nanophysics

created Jul 26, 2011 | popularity 5 / 5 (5) | comments 3 | with audio podcast

Heated AFM tip allows direct fabrication of ferroelectric nanostructures on plastic

Using a technique known as thermochemical nanolithography (TCNL), researchers have developed a new way to fabricate nanometer-scale ferroelectric structures directly on flexible plastic substrates that would ...

Nanotechnology / Nanophysics

created Jul 18, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

First telecommunications wavelength quantum dot laser on a silicon substrate

A new generation of high speed, silicon-based information technology has been brought a step closer by researchers in the Department of Electronic and Electrical Engineering at UCL and the London Centre for Nanotechnology. ...

Physics / Optics & Photonics

created Jun 13, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

New inorganic semiconductor layers hold promise for solar energy

(PhysOrg.com) -- A team of researchers from the University of Chicago and the U.S. Department of Energy's (DOE) Argonne National Laboratory has demonstrated a method that could produce cheaper semiconductor ...

Nanotechnology / Nanomaterials

created Jun 02, 2011 | popularity 4.8 / 5 (6) | comments 1 | with audio podcast

Boron nitride is a promising path to practical graphene devices

(PhysOrg.com) -- Graphene is a two-dimensional honeycomb of carbon, just one atom thick, whose intriguing electronic properties include very high electron mobility and very low resistivity. Graphene is so ...

Nanotechnology / Nanomaterials

created May 30, 2011 | popularity 4.6 / 5 (8) | comments 3 | with audio podcast