News tagged with resonance frequencies

Unique approach to materials allows temperature-stable circuits

(Phys.org) -- Sandia National Laboratories researcher Steve Dai jokes that his approach to creating materials whose properties won’t degenerate during temperature swings is a lot like cooking — mixing ...

Technology / Semiconductors

created May 31, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

New research could mean faster computers and better mobile phones

Graphene and carbon nanotubes could improve the electronics used in computers and mobile phones, reveals new research from the University of Gothenburg, Sweden.

Nanotechnology / Nanomaterials

created May 14, 2012 | popularity 3 / 5 (2) | comments 1

Toppling Raman shift in supercritical carbon dioxide

(PhysOrg.com) -- Just as a wine glass vibrates and sometimes breaks when a diva sings the right note, carbon dioxide vibrates when light or heat serenades it. When it does, carbon dioxide exhibits a vibrational ...

Chemistry / Materials Science

created Feb 29, 2012 | popularity 5 / 5 (1) | comments 2 | with audio podcast

Innovation promises expanded roles for microsensors

Researchers have learned how to improve the performance of sensors that use tiny vibrating microcantilevers to detect chemical and biological agents for applications from national security to food processing.

Technology / Engineering

created Feb 07, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

New biosensor is based on a nanowire crystal array

(PhysOrg.com) -- A quick, inexpensive and highly sensitive test that identifies disease markers or other molecules in low-concentration solutions could be the result of a Cornell-developed nanomechanical biosensor, ...

Nanotechnology / Bio & Medicine

created Dec 09, 2011 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

NIST tunes 'metasurface' with fluid in new concept for sensing and chemistry

(PhysOrg.com) -- Like an opera singer hitting a note that shatters a glass, a signal at a particular resonant frequency can concentrate energy in a material and change its properties. And as with 18th century ...

Physics / General Physics

created Jun 08, 2011 | popularity not rated yet | comments 0 | with audio podcast

Innovative microactuators: Compact 3.5 mm cubic rotary-linear piezoelectric actuator

(PhysOrg.com) -- Microactuators are critical components for industrial applications such as MEMS, micro-medical devices, and microrobotics. However, the fabrication of increasingly sophisticated, millimeter ...

Technology / Engineering

created Mar 25, 2011 | popularity not rated yet | comments 0

Physicists discover ultrasensitive microwave detector

Physicists from Rice University and Princeton University have discovered how to use one of the information technology industry's mainstay materials -- gallium arsenide semiconductors -- as an ultrasensitive microwave detector ...

Physics / General Physics

created Dec 08, 2010 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Panasonic, Imec present new thin film packaged MEMS resonator

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 ...

Technology / Semiconductors

created Dec 07, 2010 | popularity not rated yet | comments 0

In Brief: Quantum dot-Induced transparency

Using rigorous and realistic numerical simulations, staff in the Nanophotonics and Theory and Modeling groups at the Argonne National Laboratory have recently demonstrated that a single semiconductor nanocrystal, ...

Physics / Optics & Photonics

created Dec 01, 2010 | popularity 5 / 5 (1) | comments 0

Flexible wings driven by simple oscillation may be viable for efficient micro air vehicles

In the future, tiny air vehicles may be able to fly through cracks in concrete to search for earthquake victims, explore a contaminated building or conduct surveillance missions for the military. But today, ...

Technology / Engineering

created Nov 22, 2010 | popularity 3.8 / 5 (5) | comments 0 | with audio podcast

Magnetic vortex memory shows memory potential of nanodots

(PhysOrg.com) -- Using magnetic nanodots in the vortex state, researchers have designed a new kind of non-volatile memory that could offer increased speed and density for next-generation non-volatile random ...

Nanotechnology / Nanophysics

created Apr 21, 2010 | popularity 4.9 / 5 (15) | comments 4 | with audio podcast feature

New sensor exploits traditional weakness of nano devices

By taking advantage of a phenomenon that until now has been a virtual showstopper for electronics designers, a team led by Oak Ridge National Laboratory's Panos Datskos is developing a chemical and biological sensor with ...

Nanotechnology / Nanophysics

created Feb 12, 2010 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

A Tiny Cage of Gold Responds to Light, Opening to Empty Its Contents

(PhysOrg.com) -- Researchers at Washington University in St. Louis have developed a polymer-coated gold nanocage that not only opens in response to light to release a small amount of a drug payload, but then closes when the ...

Nanotechnology / Bio & Medicine

created Nov 19, 2009 | popularity 5 / 5 (3) | comments 0

Sony develops highly efficient wireless power transfer system based on magnetic resonance

Sony Corp. today announced the development of a highly efficient wireless power transfer system that eliminates the use of power cables from electronic products such as television sets. Using this system, ...

Technology / Engineering

created Oct 02, 2009 | popularity 4.4 / 5 (13) | comments 7