... take into account dielectric confinement effects," says Narayanamurti.
Previously, the effects of dielectric confinement have been investigated theoretically for the role they play in defining the ...
... that give a Raman emission when using a SERS reagent. The ORNL team has identified a novel dielectric nanowire coated with silver as the SERS agent of choice. This material was developed at Naval ...
... films. Not only do SANDs meet all the requirements for next-generation dielectrics, but they were also found to be resistant to radiation.
NASA is interested in SANDs because the radiation in space ...
... of the International Space Station for radiation testing. The transistors, which used a new kind of gate dielectric material called a self-assembled nanodielectric, will remain there for a year as ...
... and receives the reflected energy. The radio waves are reflected on any boundary where the dielectric properties of the materials change.
In the case of aircraft radar this is when the waves hit a ...
... , by replacing the concentric rings with spherical shells of silicon, separated by air or some other dielectric.
The researchers' optical cloaking technique is not perfect, however. "The wave fronts ...
... poly(vinylidene fluoride) and trifluoroethylene which, with the addition of chlorotrifluoroethylene had a very high dielectric permittivity at room temperature. Permittivity is a measure of how much ...
... waves can propagate through the body and are reflected at interfaces between materials with different dielectric properties. The receiving antenna detects the reflected signals coming from different ...
... with the regolith. It measures thermal conductivity, thermal diffusivity, electrical conductivity, and dielectric permittivity of the regolith, as well as vapor pressure of the air. Finding Water, ...
... to the excessive release of heat. However, the nanoscale switch envisioned by Kaplan would be a dielectric, meaning it would involve no exchange of free electrons in the structure. Because of this, ...
... the fracture resistance of such films, which makes it difficult to design improved dielectrics.
NIST researchers believe they have found an answer to the measurement problem in a new adaptation of a ...
... in the optical properties of metals and can be used to manipulate light on a nanoscale.
"Metal-dielectric materials, also known as plasmonics, can be used to confine an optical field to a very small ...
... 's team created flat-panel plasma lamps out of two sheets of aluminum foil separated by a thin dielectric layer of clear aluminum oxide. More than 250,000 lamps can be packed into a single panel. And, ...
... to release them from the grating structure. Gan and his colleagues accomplished this by covering the structure with dielectric materials.
"By tuning the temperature of the dielectric materials, we ...
... , M.T. Cicerone and J.F. Douglas. Quantifying changes in the high-frequency dynamics of mixtures by dielectric spectroscopy. Journal of Physical Chemistry B, 2008, 112, 15980-15990.
** M.T. Cicerone ...
