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X-ray imaging on the attosecond timescale

The attosecond timescale is where you must go to study the electron action that is the starting point of all of chemistry. Not surprisingly, chemists are most eager to explore it with X-rays, the region of the electromagnetic spectrum that can probe the core electrons of atoms, the electrons that uniquely identify atomic species.

Feb 17th, 2013

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Nano-machines for 'bionic proteins'

Physicists of the University of Vienna developed nano-machines which recreate principal activities of proteins. They present the first versatile and modular example of a fully artificial protein-mimetic model system.

Feb 15th, 2013

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An introduction to nanoscale flexoelectricity

Fexoelectricity is a sizedependent effect which becomes more signifi cant in nanoscale systems. With increasing interest in nanoscale and nano-bio hybrid materials, fl exoelectricity will continue to gain prominence.

Feb 15th, 2013

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Metal goes organic

The observation of truly metallic behavior in an organic material heralds a new generation of electronic devices.

Feb 15th, 2013

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Black gold: enabling bright, high rep-rate electron beams

Free electron lasers (FELs) have proven their worth, but next-generation light sources will have to do better than produce ultrabright x-ray pulses 100 or so times a second. What's needed is megahertz rep rate, a million times a second. Since it's electrons that make the x-rays, the only way to achieve that kind of performance is with an electron gun that can deliver tight electron bunches with high charge, high energy, and a very high repetition rate.

Feb 15th, 2013

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