Search results for dopant

Nanomaterials Sep 30, 2015

Disappearing carbon circuits on graphene could have security, biomedical uses

In the television drama "Mission Impossible," instructions for the mission were delivered on an audio tape that destroyed itself immediately after being played. Should that series ever be revived, its producers might want ...

Nanomaterials Sep 24, 2015

Doping crystals of nanocrystals

Silicon semiconductors form the basis of all modern electronics and microprocessors. Crucial to these applications is the ability to 'dope' the semiconductor; which is to say, by controllably adding impurity atoms to a semiconductor, ...

Nanophysics Sep 21, 2015

Delicately opening a band gap in graphene enables high-performance transistors

(Phys.org)—Electrons can move through graphene with almost no resistance, a property that gives graphene great potential for replacing silicon in next-generation, highly efficient electronic devices. But currently it's ...

Superconductivity Sep 17, 2015

X-ray images of cuprate superconductors reveals fractures , clumps and defects

(Phys.org)—A team of researchers with members from several countries in Europe has used a type of X-ray diffraction to reveal defects in the way a superconductor develops. In their paper published in the journal Nature, ...

Nanophysics Sep 7, 2015

Nanotubes open new path toward quantum information technologies

In optical communication, critical information ranging from a credit card number to national security data is transmitted in streams of laser pulses. However, the information transmitted in this manner can be stolen by splitting ...

Bio & Medicine Aug 20, 2015

Lighting up cancer cells to identify low concentrations of diseased cells

Researchers in China have developed tiny nanocrystals that could be used in the next generation of medical imaging technologies to light up cancer cells. In a study published in the inaugural issue of the journal Applied ...

Nanomaterials Aug 13, 2015

Black phosphorus surges ahead of graphene

A Korean team of scientists tune black phosphorus' band gap to form a superior conductor, allowing for the application to be mass produced for electronic and optoelectronics devices.

Materials Science Aug 13, 2015

Smart imaging of materials lets national labs look to solving big energy problems

In the Stone, Bronze and Iron Ages, the state of the art of materials science defined technology's zenith and accelerated economies. Now, in the Information Age, data is beginning to drive the development of advanced materials, ...

Nanomaterials Jul 21, 2015

An easy, scalable and direct method for synthesizing graphene in silicon microelectronics

In the last decade, graphene has been intensively studied for its unique optical, mechanical, electrical and structural properties. The one-atom-thick carbon sheets could revolutionize the way electronic devices are manufactured ...

Engineering Jul 2, 2015

Researchers to test new optical fibre 3-D printing technique

Researchers at the University of Southampton are set to investigate using 3D printing, or additive manufacturing, techniques in the fabrication of optical fibre.

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