Quantcast

Latest Spintronics Stories

Avoiding Traps In Plastic Electronics
2012-07-30 09:01:59

Plastic electronics hold the promise of cheap, mass-produced devices. But plastic semiconductors have an important flaw: the electronic current is influenced by "charge traps" in the material. These traps, which have a negative impact on plastic light-emitting diodes and solar cells, are poorly understood. However, a new study by a team of researchers from the University of Groningen and the Georgia Institute of Technology reveals a common mechanism underlying these traps and provides a...

2012-07-11 14:39:18

Scientists from the UK's National Physical Laboratory have developed a nano-device which could change the way we define electrical current A team of scientists at the National Physical Laboratory (NPL) and University of Cambridge has made a significant advance in using nano-devices to create accurate electrical currents. Electrical current is composed of billions and billions of tiny particles called electrons. NPL scientists have developed an electron pump — a nano-device —...

2012-07-11 13:36:54

Researchers who are studying a new magnetic effect that converts heat to electricity have discovered how to amplify it a thousand times over - a first step in making the technology more practical. In the so-called spin Seebeck effect, the spin of electrons creates a current in magnetic materials, which is detected as a voltage in an adjacent metal. Ohio State University researchers have figured out how to create a similar effect in a non-magnetic semiconductor while producing more...

2012-07-11 05:45:57

Modern-day computers are based on logic circuits using semiconductor transistors. To increase computing power, smaller transistors are required. Moore´s Law states that the number of transistors that can fit on an integrated circuit should double every two years due to scaling. But as transistors reach atomic dimensions, achieving this feat is becoming increasingly difficult. Among the most significant challenges is heat dissipation from circuits created using today´s standard...

By Harnessing Friction Between Surfaces, Triboelectric Generator Produces Electricity
2012-07-10 10:51:47

Polymer power Researchers have discovered yet another way to harvest small amounts of electricity from motion in the world around us — this time by capturing the electrical charge produced when two different kinds of plastic materials rub against one another. Based on flexible polymer materials, this "triboelectric" generator could provide alternating current (AC) from activities such as walking. The triboelectric generator could supplement power produced by nanogenerators that...

Stubborn Electron Problem Knocked Out With New Method
2012-07-04 10:57:15

A newly published article in Physical Review Letters eliminates one of the top unsolved theoretical problems in chemical physics as ranked by the National Research Council in 1995. Scientists now can more accurately predict the dynamic behavior of electrons in atoms and molecules in chemical reactions that govern a wide range of phenomena, including the fuel efficiency of combustion engines and the depletion of the atmospheric ozone. The paper by David Mazziotti, professor in chemistry at...

2012-06-27 00:58:59

Laser technique developed by CCNY and Berkeley researchers brings ultrafast computing closer to reality The promise of ultrafast quantum computing has moved a step closer to reality with a technique to create rewritable computer chips using a beam of light. Researchers from The City College of New York (CCNY) and the University of California Berkeley (UCB) used light to control the spin of an atom's nucleus in order to encode information. The technique could pave the way for quantum...


Word of the Day
cruet
  • A vial or small glass bottle, especially one for holding vinegar, oil, etc.; a caster for liquids.
This word is Middle English in origin, and ultimately comes from the Old French, diminutive of 'crue,' flask.
Related