Search results for lattice strain
New technique to optimize computer speed
Jun 20, 2008 |
4.1 / 5 (72) |
1
Who doesn’t dream of increasingly fast computers that consume less and less energy? To design these computers of the future, it is important to be able to control nanoscale strain in the processors. Until now, ...
'Strained' quantum dots show new optical properties
Dec 07, 2008 |
4.4 / 5 (8) |
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Quantum dots, tiny luminescent particles made of semiconductors, hold promise for detecting and treating cancer earlier. However, if doctors were to use them in humans, quantum dots could have limitations related to their ...
Stretching opens up possibilities for graphene
Nanotechnology / Nanomaterials
Sep 28, 2009 |
4.9 / 5 (13) |
1
(PhysOrg.com) -- Researchers say they have found a simple way to improve the semiconducting properties of the world’s thinnest material - by giving it a good tug.
Portable Precision: A New Type of Atomic Clock
Jun 11, 2009 |
3.2 / 5 (9) |
2
The most accurate atomic clocks in the world are based on the output of cesium atoms. These ultra-precise fountain clocks measure the frequency and time interval of seconds by using a fountain-like movement of cesium atoms. ...
Quantum gas microscope offers glimpse of quirky ultracold atoms
Nov 04, 2009 |
4.6 / 5 (19) |
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(PhysOrg.com) -- Physicists at Harvard University have created a quantum gas microscope that can be used to observe single atoms at temperatures so low the particles follow the rules of quantum mechanics, ...
Portable Precision: A New Type of Atomic Clock
Dec 10, 2008 |
4.3 / 5 (7) |
4
(PhysOrg.com) -- The most accurate atomic clocks in the world are based on the output of cesium atoms. These ultra-precise fountain clocks measure the frequency and time interval of seconds by using a fountain-like movement ...
Scientists fashion semiconductors into flexible membranes
Apr 09, 2006 |
3.7 / 5 (24) |
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University of Wisconsin-Madison researchers have demonstrated a way to release thin membranes of semiconductors from a substrate and transfer them to new surfaces-an advance that could unite the properties of silicon and ...
New electron microscopy images reveal the assembly of HIV
Medicine & Health / HIV & AIDS
Jun 23, 2009 |
4.7 / 5 (3) |
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Scientists at the European Molecular Biology Laboratory (EMBL) and the University Clinic Heidelberg, Germany, have produced a three-dimensional reconstruction of HIV (Human Immunodeficiency Virus), which shows ...
Stress Management: X-Rays Reveal Si Thin-Film Defects
Jul 06, 2006 |
4.3 / 5 (7) |
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Pile-ups, bad on the freeway, also are a hazard for the makers of high-performance strained-silicon semiconductor devices. A sensitive X-ray diffraction imaging technique developed by researchers at the National Institute ...
Exerting better control over matter waves
Mar 27, 2009 |
4.6 / 5 (29) |
15
(PhysOrg.com) -- “The concept of matter waves is at the heart of quantum mechanics,” Oliver Morsch tells PhysOrg.com. “At the beginning of the last century, scientists discovered that solid particles could exhibit proper ...
Metal deformation studies lead to new understanding of materials at extreme conditions
Sep 18, 2006 |
4.3 / 5 (18) |
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Researchers have found a new tool to explore materials at extreme conditions. By combining very large-scale molecular dynamics simulations with time-resolved data from laser experiments of shock wave propagation through specific ...
Scientists pinpoint mechanism to increase magnetic response of ferromagnetic semiconductor
Feb 25, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- When squeezed, electrons increase their ability to move around. In compounds such as semiconductors and electrical insulators, such squeezing can dramatically change the electrical- and magnetic- ...
Optical atomic clock becomes portable
Sep 03, 2009 |
5 / 5 (5) |
2
You imagine a clock to be different -- yet the optical table with its many complicated set-ups really is one. Optical clocks like the strontium clock in the Physikalisch-Technische Bundesanstalt (PTB) in Braunschweig ...
Researchers heat up gold to surprising effect: It gets harder not softer
Jan 22, 2009 |
4 / 5 (5) |
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Common sense tells us that when you heat something up it gets softer, but a team of researchers, led by University of Toronto chemistry and physics professor R.J. Dwayne Miller, has demonstrated the exact ...
Physicists discover important step for making light crystals (w/Videos)
Apr 09, 2009 |
4.9 / 5 (13) |
3
Ohio State University researchers have developed a new strategy to overcome one of the major obstacles to a grand challenge in physics.
