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The ultimate miniaturization of lamps: a single-molecule LED

The ultimate challenge in the race to miniaturize light emitting diodes (LED) has now been met: researchers have developed the first ever single-molecule LED. The device is formed from a single polythiophene wire placed between the tip of a scanning tunneling microscope and a gold surface. It emits light only when the current passes in a certain direction.

Posted: Feb 13th, 2014

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Light-induced degradation in amorphous silicon thin film solar cells

Researchers have taken a leap forward towards a deeper understanding of an undesired effect in thin film solar cells based on amorphous silicon - one that has puzzled the scientific community for the last 40 years. The researchers were able to demonstrate that tiny voids within the silicon network are partly responsible for reducing solar cell efficiency by some 10 to 15 percent as soon as you start using them.

Posted: Feb 13th, 2014

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Stirring-up atomtronics in a quantum circuit

Using a superfluid atomtronic circuit, physicists have demonstrated a tool that is critical to electronics: hysteresis. This is the first time that hysteresis has been observed in an ultracold atomic gas.

Posted: Feb 12th, 2014

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Super-resolution research highlight

Joint research on super-resolution microscopy from the National Physical Laboratory (NPL) and the University of Cambridge has been selected as a highlight of 2013 by the Journal of Optics, making it freely available to view online.

Posted: Feb 12th, 2014

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'Frontiers of Knowledge Award' for pioneers of electron microscopy

The Spanish foundation BBVA honors Haider, together with Prof. Harald Rose, senior professor at Ulm University, and Prof. Knut Urban, Forschungszentrum Jülich, for the development of a new generation of so-called aberration-corrected electron microscopes that reach resolutions in the atomic range.

Posted: Feb 12th, 2014

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