Search results for dopant

Nanomaterials Jun 30, 2015

Pomegranate-like nanocomposites: The new avenue of graphene in water splitting

The looming fossil energy crisis and serious environment and climate issues urgently call for sustainable energy systems and next-generation energy storage technologies. Instead of a traditional "carbon cycle" based on fossil ...

Condensed Matter Jun 26, 2015

Building a better semiconductor

Research led by Michigan State University could someday lead to the development of new and improved semiconductors.

Engineering Apr 24, 2015

Researchers finding applications for tough spinel ceramic

Imagine a glass window that's tough like armor, a camera lens that doesn't get scratched in a sand storm, or a smart phone that doesn't break when dropped. Except it's not glass, it's a special ceramic called spinel {spin-ELL} ...

Superconductivity Apr 8, 2015

A potential Rosetta stone of high temperature superconductivity

High purity single crystals of superconducting material (CeCoIn5) with the highest observed superconducting temperature for a cerium-based material enabled investigation of the relationship among magnetism, superconductivity, ...

Polymers Apr 6, 2015

Researchers discover N-type polymer for fast organic battery

Researchers at the University of Houston have reported developing an efficient conductive electron-transporting polymer, a long-missing puzzle piece that will allow ultrafast battery applications.

Materials Science Mar 3, 2015

Dislocations in oxides seen as promising electrolytes create a 'traffic jam' for charged ions

Dislocations in oxides such as cerium dioxide, a solid electrolyte for fuel cells, turn out to have a property that is the opposite of what researchers had expected, according to a new analysis at MIT.

General Physics Feb 25, 2015

New 'knobs' can dial in control of materials

Designing or exploring new materials is all about controlling their properties. In a new study, Cornell scientists offer insight on how different "knobs" can change material properties in ways that were previously unexplored ...

Materials Science Jan 30, 2015

Pinholes are pitfalls for high performance solar cells

The most popular next-generation solar cells under development may have a problem – the top layer is full of tiny pinholes, researchers at the Okinawa Institute of Science and Technology Graduate University in Japan have ...

General Physics Jan 19, 2015

Self-destructive effects of magnetically-doped ferromagnetic topological insulators

The discovery of "topologically protected" electrical conductivity on the surface of some materials whose bulk interior acts as an insulator was among the most sensational advances in the last decade of condensed matter physics—with ...

Materials Science Dec 19, 2014

New method to reduce the optical band gap of strontium titantate thin films

With the promise of sunlight into fuel, strontium titanate (SrTiO3) is widely studied. The problem is the optical band gap or the energy needed to get electrons to do work after being hit with light. At 3.2 electron-volts, ...

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