Applied Physics Letters

Research to probe deep within a solar cell

Engineers and scientists from the University of Sheffield have pioneered a new technique to analyse PCBM, a material used in polymer photovoltaic cells, obtaining details of the structure of the material which will be vital ...

Feb 25, 2013
5 / 5 (2) 0 | with audio podcast

Magnetic shielding of ion beam thruster walls

Electric rocket engines known as Hall thrusters, which use a super high-velocity stream of ions to propel a spacecraft in space, have been used successfully onboard many missions for half a century. Erosion of the discharge ...

Feb 13, 2013
4.9 / 5 (15) 4 | with audio podcast

Measuring flow using a wobbling tube

One milligram per hour: fluid flow can be measured with great precision using a tiny 'wobbling' tube with a diameter of only 40 micrometres. Thanks to a new technique, the sensor, which makes use of the 'Coriolis ...

Dec 18, 2012
5 / 5 (2) 0

Data storage: Electrically enhanced recall

Random-access memory (RAM) is a fast electronic device used in computers to temporarily store data. Traditional RAM is based on the flow of electrical current for data processing. To make RAM faster, more ...

Dec 05, 2012
5 / 5 (1) 0