Gallium nitride (GaN) and zinc oxide (ZnO) are among the most technologically relevant semiconducting materials. Gallium nitride is ubiquitous today in optoelectronic elements such as blue lasers (hence the blue-ray disc) ...
Nanophysics
Jan 26, 2011
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The discoveries of superconductivity, the quantum Hall effect and the fractional quantum Hall effect were all the result of measurements made at increasingly lower temperatures. Now, pushing the regime of the very cold into ...
General Physics
Dec 12, 2010
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Panasonic and imec present at the International Electron Devices Meeting in San Francisco an innovative SiGe (silicon germanium) thin film packaged SOI-based MEMS resonator featuring an industry-record Q factor combined with ...
Electronics & Semiconductors
Dec 7, 2010
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Scientists are using Diamond Light Source, the UK’s national synchrotron facility, to discover how we can detoxify our electronic gadgets. Results published in the journal Applied Physics Letters on 1st October reveal ...
Condensed Matter
Oct 4, 2010
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Piezoelectric materials have fantastic properties: squeeze them and they generate an electrical field. And vice-versa, they contract or expand when jolted with an electrical pulse. With a name derived from the Greek word ...
Condensed Matter
Sep 14, 2010
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Researchers at the Georgia Institute of Technology have developed a new class of electronic logic device in which current is switched by an electric field generated by the application of mechanical strain to zinc oxide nanowires.
Nanophysics
Sep 2, 2010
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The generation of an electric field by the compression and expansion of solid materials is known as the piezoelectric effect, and it has a wide range of applications ranging from everyday items such as watches, motion sensors ...
Nanophysics
Aug 23, 2010
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(PhysOrg.com) -- Circuits that can perform logic operations at the push of a button are a dime-a-dozen these days, but a breakthrough by researchers in the USA has meant they can be smaller and simpler than ever before. Using ...
Nanomaterials
Aug 5, 2010
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(PhysOrg.com) -- Harvesting mechanical energy from the environment and converting it into electrical energy has recently become a viable method for powering low-energy electronics, such as sensors and actuators. But the major ...
(PhysOrg.com) -- Murata Manufacturing Co., Ltd., a company based in Kyoto in Japan, has made what they claim to be the world's first ultra-thin (0.9 mm thick) waterproof piezoelectric speaker.
