Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component speeds up this process. ...
Electronics & Semiconductors
Jan 3, 2012
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Spin valves are essential building blocks in the magnetic sensors of read heads in hard disk drives. They consist of two magnetic layers separated by a non-magnetic layer and act as valves for electrons depending on the relative ...
General Physics
Dec 12, 2011
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Material chemists and engineers would love to figure out how to create self-assembling shells, containers or structures that could be used as tiny drug-carrying containers or to build 3-D sensors and electronic devices.
Mathematics
Dec 7, 2011
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The gallium nitride nanowires grown by PML scientists may only be a few tenths of a micrometer in diameter, but they promise a very wide range of applications, from new light-emitting diodes and diode lasers to ultra-small ...
Nanophysics
Nov 29, 2011
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(PhysOrg.com) -- Scientists have demonstrated that a superconducting detector called a transition edge sensor (TES) is capable of counting the number of as many as 1,000 photons in a single pulse of light with an accuracy ...
Optics & Photonics
Nov 14, 2011
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A team of scientists working at Argonne National Laboratory's (ANL) Center for Nanoscale Materials has successfully carved ultrananocrystalline diamond (UNCD) thin films into nanowires, boosting the material's functionality ...
Nanophysics
Nov 4, 2011
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The ever-increasing demand for enhanced performance in electronic devices such as solar cells, sensors and batteries is matched by a need to find ways to make smaller electrical components. Several techniques have been proposed ...
Nanomaterials
Sep 29, 2011
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Researchers at Universitat Autonoma de Barcelona have developed an electronic tongue which can identify different types of cava wines, thanks to a combination of sensor systems and advanced mathematical procedures. The device ...
Other
Jul 28, 2011
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(PhysOrg.com) -- Electronics that can be bent and stretched might sound like science fiction. But Uppsala researcher Zhigang Wu, working with collaborators, has devised a wireless sensor that can stand to be stretched. For ...
Engineering
Jun 16, 2011
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At the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) meeting this week, American researchers are unveiling a new tool for detecting illegal nuclear explosions: the Earth's global positioning system (GPS).
Earth Sciences
Jun 7, 2011
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