Good vibrations: New atom-scale products on horizon
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, ...
Advance made toward communication, computing at 'terahertz' speeds
Physicists in the United States and Germany have discovered a way to use a gallium arsenide nanodevice as a signal processor at "terahertz" speeds, the first time it's been used for this purpose and an important step forward ...
A pinch of light: Laser 'tweezers' for medicine, communications and harvesting energy
Star Trek fans will remember "tractor beams," lasers that allowed the Starship Enterprise to trap and move objects. Tel Aviv University is now turning this science fiction into science fact -- on a nano scale.
Fully epitaxial microcavities: Open the door to quantum optoelectronic effects in the GaN-based system
For the very first time, a team of researchers in Germany has introduced quantum dots in fully epitaxial nitride laser structures without the need for hybrid systems -- effectively eliminating the cumbersome method of combining ...
Physicists capture first images of atomic spin
(PhysOrg.com) -- Though scientists argue that the emerging technology of spintronics may trump conventional electronics for building the next generation of faster, smaller, more efficient computers and high-tech ...
Scientists discover world's smallest superconductor
Scientists have discovered the world's smallest superconductor, a sheet of four pairs of molecules less than one nanometer wide. The Ohio University-led study, published Sunday as an advance online publication ...
New spintronics material could help usher in next generation of microelectronics
(PhysOrg.com) -- As the electronics industry works toward developing smaller and more compact devices, the need to create new types of scaled-down semiconductors that are more efficient and use less power has become essential.
Novel material paves the way for next-generation information technology
(PhysOrg.com) -- University of Queensland researchers have successfully demonstrated a futuristic semiconductor technology that will pave the way for the next generation of electrical and information technology systems.
Researchers demonstrate 100-watt-level mid-infrared lasers
Northwestern University researchers have achieved a breakthrough in quantum cascade laser output power, delivering 120 watts from a single device at room temperature.
Researchers create all-electric spintronics
A multidisciplinary team of UC researchers is the first to find an innovative and novel way to control an electron's spin orientation using purely electrical means.
The Spin Cycle: Nanoresearch could lead to next generation of transistors
(PhysOrg.com) -- For decades, the transistors inside radios, televisions and other everyday items have transmitted data by controlling the movement of the electron’s charge. Scientists now have discovered ...
Quantum Computer Chips Now One Step Closer To Reality
In the quest for smaller, faster computer chips, researchers are increasingly turning to quantum mechanics -- the exotic physics of the small. The problem: the manufacturing techniques required to make quantum devices have ...
Atomtronic transistor and diode could advance quantum computing
Physicists Measure Elusive 'Persistent Current' That Flows Forever
(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...