Gallium nitride (GaN) is a highly promising material for a wide range of optical and high-power electronic devices, which can be fabricated by dry etching with plasmas. However, the plasma-induced defects and surface residues ...
Condensed Matter
Jun 14, 2012
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A team of researchers has developed a new microscope that can image the elemental and magnetic properties of a wide range of energy-important materials that are used in devices such as solar cells and solid-state lighting.
General Physics
Jun 14, 2012
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Chinese researchers have succeeded in transferring gallium nitride (GaN) light-emitting diodes (LEDs) grown on a layer of silicon to a layer of copper.
General Physics
Jun 14, 2012
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Friction is a key phenomenon in applied physics, whose origin has been studied for centuries. Until now, it has been understood that mechanical wear-resistance and fluid lubrication affect friction, but the fundamental origin ...
General Physics
May 29, 2012
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Tiny beads may act as minimally invasive glucose sensors for a variety of applications in cell culture systems and tissue engineering
Engineering
May 18, 2012
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More than half-a-century ago, the Dutch theoretical physicist Hendrik Casimir calculated that two mirrors placed facing each other in a vacuum would attract. The mysterious force arises from the energy of virtual particles ...
General Physics
Apr 18, 2012
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Scientists explain why a microalgae bioreactor redesign provides an order-of-magnitude improvement over conventional cultivation methods.
General Physics
Apr 18, 2012
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(Phys.org) -- An air sampler the size of an ear plug is expected to cheaply and easily collect atmospheric samples to improve computer climate models.
Engineering
Apr 10, 2012
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Researchers have developed a more precise method to detect the boundary between clouds and clear air, by exploiting the swinging motions of a weather balloon and its payload.
Earth Sciences
Mar 13, 2012
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A Syracuse University researcher has developed a patent-pending robust process to manufacture stable suspensions of metal nanoparticles capable of capturing sunlight.
Nanophysics
Aug 22, 2011
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