Could graphene turn light to electricity? Scientists have shown that graphene can convert a single photon into multiple electrons, showing much promise for future photovoltaic devices.
Nanophysics
Jan 19, 2015
16
380
(Phys.org) —A team of researchers in the U.S. has added the ability to detect atomic lattice vibrations to a scanning tunneling electron microscope. In their paper describing their efforts, published in the journal Nature, ...
(Phys.org) —A large team of physicists, chemists and physical scientists working in China has found a way to boost the signal received when using electron energy loss spectroscopy—by adding silver nanoparticles to the ...
Almost 200 years ago, Bavarian physicist Joseph von Fraunhofer discovered dark lines in the sun's spectrum. It was later discovered that these spectral lines can be used to infer the chemical composition and temperature of ...
Quantum Physics
Jul 8, 2013
1
0
EPFL scientists have shown how a solvent can interfere with electron transfer by using unprecedented time resolution in ultrafast fluorescence spectroscopy.
General Physics
Jul 2, 2013
0
0
When working a cold case, smart investigators try something new. By taking a novel approach to nuclear magnetic resonance spectroscopy – a blending of four techniques – scientists have been able to resolve a key interaction ...
Biochemistry
Jun 24, 2013
0
0
(Phys.org) —Researchers at Pacific Northwest National Laboratory have uncovered the characteristics of a low-resistance electrical contact to strontium titanate, SrTiO3, an important prototypical oxide semiconductor. Oxides ...
Nanomaterials
May 13, 2013
0
0
(Phys.org) —Visible as a small, sparkling hook in the dark sky, this beautiful object is known as J082354.96+280621.6, or J082354.96 for short. It is a starburst galaxy, so named because of the incredibly (and unusually) ...
Astronomy
Apr 8, 2013
2
6
(Phys.org)—The way electrons move within and between molecules, transferring energy as they go, plays an important role in many chemical and biological processes, such as the conversion of sunlight to energy in photosynthesis ...
General Physics
Jan 31, 2013
0
0
(Phys.org)—In spin based electronics the spin of the electron is used as a carrier of information. To meet the need for faster electronics, the speed must be increased as far as possible. Today, Uppsala physicists show ...
General Physics
Sep 6, 2012
0
2
