Search results for dopant

Materials Science Jan 22, 2013

New information on binding gold particles over metal oxide surfaces

The strong binding of gold on electronically modified calcium oxide can now be understood in detail. In a computational study, researchers at the University of Jyväskylä Nanoscience Center have shown how redox chemistry ...

Nanophysics Nov 29, 2012

X-rays illuminate nitrogen's role in single-layer graphene

(Phys.org)—Researchers using x-rays to study a single-atom-thick layer of carbon, called graphene, have learned new information about its atomic bonding and electronic properties when the material is "doped" with nitrogen ...

Materials Science Nov 28, 2012

Implantable silk optics multi-task in the body

Tufts University School of Engineering researchers have demonstrated silk-based implantable optics that offer significant improvement in tissue imaging while simultaneously enabling photo thermal therapy, administering drugs ...

Superconductivity Nov 9, 2012

Atomic-resolution images provide fresh insights into a mysterious state found in superconducting materials

Superconductivity describes the state of certain materials when they conduct electric currents without any resistance. For superconductivity to develop, these materials generally have to be cooled to temperatures below roughly ...

Materials Science Nov 1, 2012

Impurity atoms impart remarkable control over water-splitting reactions on insulator surfaces

Ultra-thin inorganic oxide films are set to play vital roles in future catalytic systems, according to findings from Jaehoon Jung and Yousoo Kim at RIKEN's Advanced Science Institute in Wako and two colleagues in Japan and ...

General Physics Oct 25, 2012

A 'nanoscale landscape' controls flow of surface electrons on a topological insulator

In the relatively new scientific frontier of topological insulators, theoretical and experimental physicists have been studying the surfaces of these unique materials for insights into the behavior of electrons that display ...

Nanomaterials Oct 18, 2012

Electron microscopy provides atom-by-atom knowledge of doped graphene and carbon nanotubes

A thread of research pursued in a pan-European collaboration lead by Aalto University Department of Applied Physics scientists has yielded prominent results for the electron microscopy of nitrogen-doped graphene and carbon ...

Electronics & Semiconductors Oct 17, 2012

Semiconductors with electric and magnetic properties

European scientists developed solid-state semiconductor components with magnetic properties, a prerequisite for a new generation of electronic devices exploiting both the charge and the spin of electrons.

Optics & Photonics Oct 17, 2012

Training light to cool the material it strikes

(Phys.org)—Light might one day be used to cool the materials through which it passes, instead of heating them, thanks to a breakthrough by engineers at Lehigh and Johns Hopkins Universities.

Condensed Matter Oct 15, 2012

Another advance on the road to spintronics: Researchers unlock ferromagnetic secrets of promising materials

(Phys.org)—Spintronic technology, in which data is processed on the basis of electron "spin" rather than charge, promises to revolutionize the computing industry with smaller, faster and more energy efficient data storage ...

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