ScienceDaily: Engineering and Construction News |
- Finding Achilles' heel of GaN-based LEDs in harsh radiation environments
- New technique allows low-cost creation of 3-D nanostructures
- Easy measurement of the effect of fine dust
- Unusual electronic state found in new class of unconventional superconductors
- Ultrafast complex molecular simulations by ‘cutting up molecules’
| Finding Achilles' heel of GaN-based LEDs in harsh radiation environments Posted: 08 Dec 2014 07:54 AM PST Proton irradiation of gallium nitride causes more damage in p-type material than n- doped layers, scientists have discovered. This unexpected finding is important for the application of GaN-based devices in extreme environments.  |
| New technique allows low-cost creation of 3-D nanostructures Posted: 08 Dec 2014 04:45 AM PST Researchers have developed a new lithography technique that uses nanoscale spheres to create 3-D structures with biomedical, electronic and photonic applications. The new technique is less expensive than conventional methods and does not rely on stacking two-dimensional patterns to create 3-D structures.  |
| Easy measurement of the effect of fine dust Posted: 08 Dec 2014 04:43 AM PST Fine dusts from industry, traffic, and households are omnipresent. Still, they are difficult to capture by reliable medical measurements. Researchers have now developed an exposure system, by means of which biological cells are exposed to fine dust-loaded air flows in an exact and reproducible manner. Using this system, it is possible to collect data on the adverse impact of fine dusts of variable sources in a rapid and inexpensive manner and without animal experiments being needed.  |
| Unusual electronic state found in new class of unconventional superconductors Posted: 08 Dec 2014 04:41 AM PST Scientists have discovered an unusual form of electronic order in a new family of unconventional superconductors, giving scientists a new group of materials to explore to understand the ability to carry current with no energy loss. Harnessing the power of superconductivity, or the ability of certain materials to conduct electricity with zero energy loss, is one of the most exciting possibilities for creating a more energy-efficient future.  |
| Ultrafast complex molecular simulations by ‘cutting up molecules’ Posted: 05 Dec 2014 02:51 PM PST Scientists have developed an ultrafast quantum chemical method, which allows rapid and accurate simulations of complex molecular systems consisting of thousands of molecules.  |
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