News tagged with dielectric confinement


Scientists demonstrate effect of confining dielectrics on semiconductor nanowire conductivity

Nanotechnology / Nanophysics

created May 05, 2009 | popularity 4 / 5 (2) | comments 1

Researchers at the Harvard School of Engineering and Applied Sciences (SEAS), in collaboration with researchers from Worcester Polytechnic Institute (WPI), have demonstrated, for the first time, that the activation energy ...





Search results for dielectric confinement


Researchers set record for creating high-frequency microresonator in silicon

Researchers push resonator frequency limit

Physics / General Physics

created Mar 14, 2008 | popularity 4.6 / 5 (34) | comments 1

Many researchers in microelectromechanical systems (MEMS) have focused on resonators -- tiny devices that vibrate at radio frequencies -- to replace quartz crystals and other oscillators and can be economically ...


Upping the power triggers an ordered helical plasma

Upping the power triggers an ordered helical plasma

Physics / Plasma Physics

created Nov 02, 2009 | popularity 5 / 5 (5) | comments 0

If you keep twisting a straight elastic string, at some moment it starts kinking in a wild way. Something similar occurs when one increases the electrical current flowing in a magnetized plasma doughnut: it ...


Physicists Investigate Controversy over Room-Temperature Ice

Physics / General Physics

created Aug 05, 2008 | popularity 4.4 / 5 (39) | comments 8

(PhysOrg.com) -- By confining water in nano-sized spaces, physicists from Leiden University in the Netherlands have turned water into ice at room temperature. While it’s not the first time scientists have created room-temperature ...


Nano changes rise to macro importance in a key electronics material

Physics / Condensed Matter

created Apr 08, 2009 | popularity 4 / 5 (2) | comments 0

By combining the results of a number of powerful techniques for studying material structure at the nanoscale, a team of researchers from the National Institute of Standards and Technology, working with colleagues in other ...


Illustration of Polarons

Novel gate dielectric materials: perfection is not enough

Physics / Condensed Matter

created Oct 16, 2007 | popularity 4.7 / 5 (9) | comments 1

For the first time theoretical modeling has provided a glimpse into how promising dielectric materials are able to trap charges, something which may affect the performance of advanced electronic devices. This ...


Novel Nanostructure Response Opens Possibilities for Electrical Devices

Nanotechnology / Nanophysics

created Nov 07, 2007 | popularity 4.5 / 5 (12) | comments 1

A University of Arkansas physicist and her colleagues have examined dielectric susceptibilities of nanostructures (that is the response of their polarization to electric fields) and found novel, seemingly contradictory properties ...


Spinons -- confined like quarks

Physics / General Physics

created Nov 29, 2009 | popularity 4.5 / 5 (16) | comments 2

The concept of confinement is one of the central ideas in modern physics. The most famous example is that of quarks which bind together to form protons and neutrons. Now Prof. Bella Lake from Helmholtz-Zentrum Berlin (Germany) ...


Unique Material May Allow Capacitors to Store More Energy

Physics / Condensed Matter

created Jul 20, 2007 | popularity 4.6 / 5 (140) | comments 0

Imagine an electric car with the same acceleration capability as a gas-powered sports car, or ultrafast rechargeable “batteries” that can be recharged a thousand times more than existing conventional batteries. According ...


Storing a Lightning Bolt in Glass for Portable Power

Storing a Lightning Bolt in Glass for Portable Power

Physics / Condensed Matter

created May 05, 2009 | popularity 4 / 5 (21) | comments 9

(PhysOrg.com) -- Materials researchers at Penn State University have reported the highest known breakdown strength for a bulk glass ever measured. Breakdown strength, along with dielectric constant, determines ...


Cracking a Tough Nut for the Semiconductor Industry

Cracking a Tough Nut for the Semiconductor Industry

Nanotechnology / Nanophysics

created Dec 23, 2008 | popularity 4 / 5 (7) | comments 0

(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology have developed a method to measure the toughness -- the resistance to fracture -- of the thin insulating films that play a ...



List of search results for dielectric confinement