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News tagged with nanowires

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

Energy storage device fabricated on a nanowire array

In a vivid demonstration of the progress being made in miniaturizing energy storage devices, a team of engineers from Rice University in Houston, Texas, has fabricated an energy storage device where all essential ...

Nanotechnology / Nanophysics

created Aug 01, 2011 | popularity 4.4 / 5 (14) | comments 0 | with audio podcast feature

Scientists make single-mode laser out of a single nanowire

(PhysOrg.com) -- Although lasers come in all shapes and sizes, one of the most recent laser designs is especially intriguing, since it’s made of just a single nanowire. Due to its small size and simplicity, ...

Nanotechnology / Nanophysics

created Feb 28, 2011 | popularity 4.7 / 5 (12) | comments 3 | with audio podcast feature

Nanotrees harvest the sun's energy to turn water into hydrogen fuel

(PhysOrg.com) -- University of California, San Diego electrical engineers are building a forest of tiny nanowire trees in order to cleanly capture solar energy without using fossil fuels and harvest it for ...

Nanotechnology / Nanophysics

created Mar 07, 2012 | popularity 5 / 5 (21) | comments 4 | with audio podcast

Scientists investigate how ice melts below freezing due to nanowire's pressure

(PhysOrg.com) -- The many ways in which water differs from other molecules is both a scientific curiosity and an important factor in shaping the Earth. Among water's unique properties are that it expands when ...

Physics / Condensed Matter

created Sep 02, 2010 | popularity 4.7 / 5 (12) | comments 2 | with audio podcast feature

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

New 'FeTRAM' is promising computer memory technology

(PhysOrg.com) -- Researchers are developing a new type of computer memory that could be faster than the existing commercial memory and use far less power than flash memory devices.

Nanotechnology / Nanophysics

created Sep 27, 2011 | popularity 4.4 / 5 (17) | comments 5 | with audio podcast

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

Harnessing plasmonics, engineers weld nanowires with light

At the nano level, researchers at Stanford have discovered a new way to weld together meshes of tiny wires. Their work could lead to exciting new electronics and solar applications. To succeed, they called ...

Nanotechnology / Nanophysics

created Feb 06, 2012 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

Down to the wire: Inexpensive technique for making high quality nanowire solar cells developed

(PhysOrg.com) -- Solar or photovoltaic cells represent one of the best possible technologies for providing an absolutely clean and virtually inexhaustible source of energy to power our civilization. However, ...

Nanotechnology / Nanophysics

created Aug 31, 2011 | popularity 5 / 5 (9) | comments 2 | with audio podcast

Why carbon nanotubes spell trouble for cells

It's been long known that asbestos spells trouble for human cells. Scientists have seen cells stabbed with spiky, long asbestos fibers, and the image is gory: Part of the fiber is protruding from the cell, ...

Nanotechnology / Bio & Medicine

created Sep 18, 2011 | popularity 4.9 / 5 (11) | comments 3 | with audio podcast

A heart of gold: Better tissue repair after heart attack (Update)

A team of researchers at MIT and Children’s Hospital Boston has built cardiac patches studded with tiny gold wires that could be used to create pieces of tissue whose cells all beat in time, mimicking ...

Nanotechnology / Bio & Medicine

created Sep 25, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Copper nanowire films could lower touch screen, LED and solar cell costs

Copper nanowires may be coming to a little screen near you. These new nanostructures have the potential to drive down the costs of displaying information on cell phones, e-readers and iPads, and they could ...

Nanotechnology / Nanomaterials

created Sep 26, 2011 | popularity 4.7 / 5 (6) | comments 7 | with audio podcast

It's a wrap! Nanowire opens gate to new devices

(PhysOrg.com) -- In an interesting feat of nanoscale engineering, researchers at Lund University in Sweden and the University of New South Wales have made the first nanowire transistor featuring a concentric ...

Nanotechnology / Nanophysics

created Apr 07, 2011 | popularity 4.3 / 5 (10) | comments 5 | with audio podcast

Scientists observe how superconducting nanowires lose resistance-free state

Even with today's invisibility cloaks, people can't walk through walls. But, when paired together, millions of electrons can.

Physics / Superconductivity

created Sep 22, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Nanowire

A nanowire is a nanostructure, with the diameter of the order of a nanometer (10−9 meters). Alternatively, nanowires can be defined as structures that have a thickness or diameter constrained to tens of nanometers or less and an unconstrained length. At these scales, quantum mechanical effects are important — hence such wires are also known as "quantum wires". Many different types of nanowires exist, including metallic (e.g., Ni, Pt, Au), semiconducting (e.g., Si, InP, GaN, etc.), and insulating (e.g., SiO2,TiO2). Molecular nanowires are composed of repeating molecular units either organic (e.g. DNA) or inorganic (e.g. Mo6S9-xIx).

The nanowires could be used, in the near future, to link tiny components into extremely small circuits. Using nanotechnology, such components could be created out of chemical compounds.

For more information about Nanowire, read the full article at Wikipedia.
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