ScienceDaily: Top Technology News |
- Searching for spin liquids: Much-sought exotic quantum state of matter can exist
- Physicists explore the key energy transport process underlying solar energy harvesting
- Disorder is key to nanotube mystery
| Searching for spin liquids: Much-sought exotic quantum state of matter can exist Posted: 12 Aug 2011 01:18 PM PDT The world economy is becoming ever more reliant on high tech electronics such as computers featuring fingernail-sized microprocessors crammed with billions of transistors. For progress to continue, for Moore's Law -- according to which the number of computer components crammed onto microchips doubles every two years, even as the size and cost of components halves -- to continue, new materials and new phenomena need to be discovered. Researchers have now discovered a "kaleidoscope" of phases, which represent the lowest-energy states that are allowed given the magnetic interactions.  |
| Physicists explore the key energy transport process underlying solar energy harvesting Posted: 12 Aug 2011 09:09 AM PDT Physicists have developed an imaging technique that makes it possible to directly observe light-emitting excitons as they diffuse in rubrene, a new material being explored for its extraordinary electronic properties.  |
| Disorder is key to nanotube mystery Posted: 12 Aug 2011 06:16 AM PDT Researchers have observed that water spontaneously flows into extremely small tubes of graphite or graphene, called carbon nanotubes. However, no one has managed to explain why. Now, using a novel method to calculate the dynamics of water molecules, researchers believe they have solved the mystery. It turns out that entropy, a measurement of disorder, has been the missing key.  |
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