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Nanotechnology / Physics news 1234

Light touch: Controlling the behavior of quantum dots

13 hours ago | User rating: 4.9 / 5 after 10 vote(s) | No comments yet

Researchers from the National Institute of Standards and Technology and the Joint Quantum Institute (JQI), a collaborative center of the University of Maryland and NIST, have reported a new way to fine-tune ...


Controlling the size of nanoclusters

17 hours ago | User rating: not rated yet | No comments yet

Melissa Patterson, a W. Burghardt Turner Fellow at Stony Brook University (SBU), will give a talk at the American Chemical Society's national meeting in Philadelphia on controlling the size of nanoclusters, research she performed ...


Researchers Build World's Smallest SRAM Memory Cell

August 18, 2008 | User rating: 4.4 / 5 after 18 vote(s) | User comments: 3

(PhysOrg.com) -- IBM and its development partners -- AMD, Freescale, STMicroelectronics, Toshiba and the College of Nanoscale Science and Engineering (CNSE) -- today announced the first working static random access memory ...


Self-assembling polymer arrays improve data storage potential

August 14, 2008 | User rating: 4.3 / 5 after 20 vote(s) | User comments: 1

(PhysOrg.com) -- A new manufacturing approach holds the potential to overcome the technological limitations currently facing the microelectronics and data-storage industries, paving the way to smaller electronic ...


Northwestern chemists take gold, mass-produce Beijing Olympic logo

August 14, 2008 | User rating: 3 / 5 after 9 vote(s) | No comments yet

Northwestern University nanoscientist Chad A. Mirkin has mass-produced the 2008 Summer Olympics logo -- 15,000 times. All the logos take up only one square centimeter of space.


Clemson scientists put a (nano) spring in their step

August 13, 2008 | User rating: 4.6 / 5 after 5 vote(s) | No comments yet

Electronic devices get smaller and more complex every year. It turns out that fragility is the price for miniaturization, especially when it comes to small devices, such as cell phones, hitting the floor. ...


Scientists develop the world's thinnest balloon

August 11, 2008 | User rating: 4.6 / 5 after 25 vote(s) | User comments: 7

(PhysOrg.com) -- Researchers in New York are reporting development of the world's thinnest balloon, made of a single layer of graphite just one atom thick. This so-called graphene sealed microchamber is impermeable ...


Flexible nanoantenna arrays capture abundant solar energy

August 11, 2008 | User rating: 4.6 / 5 after 71 vote(s) | User comments: 10

Researchers have devised an inexpensive way to produce plastic sheets containing billions of nanoantennas that collect heat energy generated by the sun and other sources. The technology, developed at the U.S. Department of ...


Large area transistors get helping hand from quantum effects

August 08, 2008 | User rating: 4.6 / 5 after 11 vote(s) | No comments yet

Researchers from the Hitachi Central Research Laboratory, Japan, and the Advanced Technology Institute of the University of Surrey today report that nano-designed transistors for the large area display and sensor application ...


A first in integrated nanowire sensor circuitry

August 04, 2008 | User rating: 4.6 / 5 after 27 vote(s) | No comments yet

Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and the University of California at Berkeley have created the world's first all-integrated sensor circuit based on nanowire ...


Nano sculptures in gold

August 01, 2008 | User rating: 4.2 / 5 after 18 vote(s) | User comments: 1

If someone is charged up, the colour of their face might change, but they don't immediately pull off one of their arms, only to reattach it as a third leg. With some molecules, however, the situation is quite ...


Researchers Produce Best-Yet Dye-Based Solar Cells

July 31, 2008 | User rating: 4.5 / 5 after 64 vote(s) | User comments: 8

In work that may help solar panels become a more viable source of mainstream power, a research group has created a dye-based solar cell with a high efficiency and high stability, and that lacks the volatile chemicals used ...


Scientists demonstrate potential of graphene films as next-generation transistors

July 31, 2008 | User rating: 4.6 / 5 after 20 vote(s) | User comments: 1

Physicists at the University of Pennsylvania have characterized an aspect of graphene film behavior by measuring the way it conducts electricity on a substrate. This milestone advances the potential application of graphene, ...


Scientists carve functional nanoribbons using super-heated, nano-sized particles of iron

July 31, 2008 | User rating: 4.8 / 5 after 26 vote(s) | User comments: 2

Due to its remarkable electronic properties, few layer graphene, or FLG, has emerged as a promising new material for use in post-silicon devices that incorporate the quantum effects that emerge at the nanoscale. Now, physicists ...


Golden scales: Nanoscale mass sensor from Berkeley can be used to weigh individual atoms and molecules

July 28, 2008 | User rating: 4.6 / 5 after 20 vote(s) | User comments: 1

(PhysOrg.com) -- There's a new "gold standard" in the sensitivity of weighing scales. Using the same technology with which they created the world's first fully functional nanotube radio, researchers with Berkeley ...


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