News tagged with electrical field

Defective nanotubes turned into light emitters

Scientists are usually after defect-free nano-structures. Yet in this case the UPV/EHU researcher Angel Rubio and his collaborators have put the structural defects in boron nitride nanotubes to maximum use. ...

Oct 31, 2013
5 / 5 (8) 0

Ultrafast switch for superconductors

(PhysOrg.com) -- A high-temperature superconductor can now be switched on and off within a trillionth of a second – 100 years after the discovery of superconductivity and 25 years after the first high-temperature ...

Jul 06, 2011
4.3 / 5 (9) 6 | with audio podcast

Crystals for efficient refrigeration

(Phys.org)—Researchers at the Carnegie Institution have discovered a new efficient way to pump heat using crystals. The crystals can pump or extract heat, even on the nanoscale, so they could be used on ...

Nov 05, 2012
3.6 / 5 (10) 0 | with audio podcast

Nanoscale nonlinear light source created

Not long after the development of the first laser in 1960 scientists discovered that shining a beam through certain crystals produced light of a different color; more specifically, it produced light of exactly ...

Sep 22, 2011
5 / 5 (7) 4 | with audio podcast

Magnetic switching simplified

An international team of researchers has described a new physical effect that could be used to develop more efficient magnetic chips for information processing. The quantum mechanical effect makes it easier ...

Aug 07, 2013
5 / 5 (7) 0 | with audio podcast