News tagged with silicon dioxide

Inspired by steel, nanomanufacturing gets wear-resistant carbide tip

(PhysOrg.com) -- Scientists at the University of Pennsylvania, the University of Wisconsin-Madison and IBM Research - Zurich have fabricated an ultrasharp silicon carbide tip possessing such high strength ...

Nanotechnology / Nanophysics

created Feb 09, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Light but stable: novel cellulose-silica gel composite aerogels

(PhysOrg.com) -- Delicate and translucent as a puff of air, yet mechanically stable, flexible, and possessing amazing heat-insulation properties—these are the properties of a new aerogel made of cellulose ...

Chemistry / Materials Science

created Jan 27, 2012 | popularity 5 / 5 (8) | comments 1 | with audio podcast

Method that can validate nuclear collision models benefits IAEA

A novel technique for materials research is unexpectedly also contributing to the nuclear safety efforts of the International Atomic Energy Agency. Pacific Northwest National Laboratory scientist Dr. Weilin ...

Physics / General Physics

created Jan 25, 2012 | popularity not rated yet | comments 0

New biosensor is based on a nanowire crystal array

(PhysOrg.com) -- A quick, inexpensive and highly sensitive test that identifies disease markers or other molecules in low-concentration solutions could be the result of a Cornell-developed nanomechanical biosensor, ...

Nanotechnology / Bio & Medicine

created Dec 09, 2011 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Interdigitated back-contact silicon solar cells above 23% efficiency

Imec together with its silicon photovoltaic industrial affiliation program partners Schott Solar, Total, Photovoltech, GDF-SUEZ, Solland Solar, Kaneka and Dow Corning, have demonstrated an excellent conversion ...

Technology / Semiconductors

created Dec 02, 2011 | popularity 4 / 5 (3) | comments 1

Hot nickel nudges graphene: Study simplifies manufacture of semiconducting bilayer graphene

(PhysOrg.com) -- By heating metal to make graphene, Rice University researchers may warm the hearts of high-tech electronics manufacturers.

Nanotechnology / Nanomaterials

created Sep 16, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Microspiders: Polymerization reaction drives micromotors

(PhysOrg.com) -- Though it seems like science fiction, microscopic "factories" in which nanomachines produce tiny structures for miniaturized components or nanorobots that destroy tumor cells within the body ...

Chemistry / Polymers

created Sep 02, 2011 | popularity 4.9 / 5 (7) | comments 0 | with audio podcast

Microcantilevers are masters of measurement

(PhysOrg.com) -- Devices that look like tiny diving boards are a launching platform for research that could improve detergents and advance understanding of disease.

Chemistry / Analytical Chemistry

created Jun 01, 2011 | popularity not rated yet | comments 0 | with audio podcast

Boron nitride is a promising path to practical graphene devices

(PhysOrg.com) -- Graphene is a two-dimensional honeycomb of carbon, just one atom thick, whose intriguing electronic properties include very high electron mobility and very low resistivity. Graphene is so ...

Nanotechnology / Nanomaterials

created May 30, 2011 | popularity 4.6 / 5 (8) | comments 3 | with audio podcast

IBM introduces new graphene transistor

(PhysOrg.com) -- In a report published in Nature, Yu-ming Lin and Phaedon Avoris, IBM researchers, have announced the development of a new graphene transistor which is smaller and faster than the one they i ...

Nanotechnology / Nanophysics

created Apr 11, 2011 | popularity 4.9 / 5 (22) | comments 22 | with audio podcast report

'Nano-bricks' may help build better packaging to keep foods fresher longer

Scientists are reporting on a new material containing an ingredient used to make bricks that shows promise as a transparent coating for improving the strength and performance of plastic food packaging. Called "nano-bricks," ...

Nanotechnology / Nanomaterials

created Mar 28, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Nanorods could greatly improve visual display of information (w/ Video)

Chemists at the University of California, Riverside have developed tiny, nanoscale-size rods of iron oxide particles in the lab that respond to an external magnetic field in a way that could dramatically improve ...

Nanotechnology / Nanomaterials

created Mar 14, 2011 | popularity 4 / 5 (11) | comments 1 | with audio podcast

Detecting lethal diseases with rust and sand

The next big thing in medical diagnostics could be minutes particles of rust, iron oxide, coated with the material from which sand is formed, silicon dioxide. These magnetic nanoparticles, a mere 29 to 230 nanometers across, ...

Nanotechnology / Bio & Medicine

created Jan 31, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New 'frozen smoke' material: One ounce could carpet three football fields

Scientists are reporting the development of a new, ultra-light form of "frozen smoke" -- renowned as the world's lightest solid material -- with amazing strength and an incredibly large surface area.

Nanotechnology / Nanomaterials

created Jan 12, 2011 | popularity 4.9 / 5 (22) | comments 35 | with audio podcast

Virus killer gets supercharged

A simple technique to make a common virus-killing material significantly more effective is a breakthrough from the Rice University labs of Andrew Barron and Qilin Li.

Chemistry / Biochemistry

created Jan 12, 2011 | popularity 4.4 / 5 (9) | comments 7 | with audio podcast