News tagged with dopant atoms

Coexistence of superconductivity and magnetism

(PhysOrg.com) -- Scientists from the University of Sydney are celebrating the 100th anniversary of superconductivity with a discovery of their own.

Physics / Superconductivity

created Jun 17, 2011 | popularity 4.3 / 5 (4) | comments 1 | with audio podcast

Certain doped-oxide ceramics resist Ohm's Law

For months, Anthony West could hardly believe what he and his colleagues were seeing in the lab -- or the only explanation for the unexpected phenomena that seemed to make sense.

Physics / Condensed Matter

created Sep 21, 2010 | popularity 4.8 / 5 (19) | comments 5 | with audio podcast

Researchers peer into nanowires to measure dopant properties

(PhysOrg.com) -- Semiconductor nanowires -- tiny wires with a diameter as small as a few billionths of a meter — hold promise for devices of the future, both in technology like light-emitting diodes and in ...

Nanotechnology / Nanophysics

created Apr 02, 2009 | popularity 5 / 5 (1) | comments 0




Search results for dopant atoms


A new class of electron interactions in quantum systems

Physicists at the University of New South Wales have observed a new kind of interaction that can arise between electrons in a single-atom silicon transistor.

Physics / Quantum Physics

created Jan 23, 2012 | popularity 4.8 / 5 (14) | comments 0 | with audio podcast

Researchers uncover transparency limits on transparent conducting oxides

Researchers in the Computational Materials Group at the University of California, Santa Barbara (UCSB) have uncovered the fundamental limits on optical transparency in the class of materials known as transparent ...

Physics / Condensed Matter

created Jan 18, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Quick-cooking nanomaterials in microwave to make tomorrow's air conditioners

Engineering researchers at Rensselaer Polytechnic Institute have developed a new method for creating advanced nanomaterials that could lead to highly efficient refrigerators and cooling systems requiring no ...

Nanotechnology / Nanomaterials

created Jan 10, 2012 | popularity 4.7 / 5 (12) | comments 5 | with audio podcast

Chemists propose explanation for superconductivity at high temperatures

(PhysOrg.com) -- It has been 25 years since scientists discovered the first high-temperature superconductors—copper oxides, or cuprates, that conduct electricity without a shred of resistance at temperatures ...

Physics / Superconductivity

created Dec 15, 2011 | popularity 4.9 / 5 (19) | comments 27 | with audio podcast

Fujitsu and SuVolta demonstrate ultra-low-voltage operation of SRAM down to 0.4V

Fujitsu Semiconductor Limited and SuVolta, Inc. today announced that they have successfully demonstrated ultra-low-voltage operation of SRAM (static random access memory) blocks down to 0.425V by integrating ...

Technology / Semiconductors

created Dec 07, 2011 | popularity 5 / 5 (1) | comments 0

Crystal erbium compound offers superior optical properties, can enhance energy, computer, lighting technologies

Arizona State University researchers have created a new compound crystal material that promises to help produce advances in a range of scientific and technological pursuits.

Physics / Optics & Photonics

created Nov 16, 2011 | popularity 4.9 / 5 (8) | comments 2 | with audio podcast

Study compares fundamental techniques for doping graphene sheets

(PhysOrg.com) -- Nanotechnology researchers at the Georgia Institute of Technology have conducted the first direct comparison of two fundamental techniques that could be used for chemically doping sheets of ...

Nanotechnology / Nanomaterials

created Nov 07, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Aluminum alloy overcomes obstacles on the path to making hydrogen a practical fuel source

Hydrogen offers great promise as a renewable energy source. It's staggeringly plentiful (the most abundant element in the Universe) and environmentally friendly (used in a fuel cell, it gives off only water). Unfortunately, ...

Chemistry / Materials Science

created Nov 01, 2011 | popularity 5 / 5 (4) | comments 8 | with audio podcast

Unexpected magnetic excitations in doped insulator surprise researchers

When doping a disordered magnetic insulator material with atoms of a nonmagnetic material, the conventional wisdom is that the magnetic interactions between the magnetic ions in the material will be weakened.

Physics / Condensed Matter

created Oct 24, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Perspective article examines conductivity at the LaAlO3 and SrTiO3 (001) interface

(PhysOrg.com) -- Complex oxides have the potential to inject new functionalities into technologies that require semiconductors.  The correlated behavior of itinerant electrons in these materials sets complex oxides apart ...

Chemistry / Materials Science

created Oct 10, 2011 | popularity not rated yet | comments 0


List of search results for dopant atoms