Scientists from the Institute of Physics of the ASCR, together with colleagues from Spain and France presented in the journal Nature Communications new theory of the origin of polyaromatic hydrocarbon molecules in the universe. According to the new theory, these molecules are formed by hydrogen etching of the graphitic surface of the stardust particles.
Scientists from Institute of Physics ASCR contributed to development of a new approach to preparation of highly tunable microwave dielectrics exploring Srn+1TinO3n+1 with layered perovskite crystal structure. This material has in the form of 50 nm thin films and under mechanical strain excellent dielectric properties, which are promising for applications in microwave electronics, e.g. in cellular phones.
This year’s Nobel Prize in Physics was awarded jointly to François Englert from Belgium and British physicist Peter Higgs for – as the official citation of the Royal Swedish Academy of Sciences reads – „the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed through the discovery of the predicted fundamental particle, by the ATLAS and CMS experiments at CERN's Large Hadron Collider“.
We meet friction forces in our everyday life; energy loss or wear of materials due to friction are causes of large financial losses. A quest for better understanding friction, which may help reducing the energy demands of our society, therefore counts among the research priorities in material sciences.
Czech physicists contributed to the discovery of new mechanisms for storing information
The Spintronics and Nanoelectronics group from the Institute of Physics, Academy of Sciences of the Czech Republic has completed another successful research project which opens new oportunities for future information technologies.
A discovery of Czech physicists published in Nature Photonics and Nature Communications
The preparation of high quality nano-scale films of ferromagnetic semiconductors is a formidable challenge. If successful it would inevitably provide unprecedented grounds for exploring new physical phenomena arising from the inteaction of photons with magnets and may suggest new means for the manipulation of magnets in opto-electronic devices at sub-picosecond time scales.
What will soon be the most powerful neutrino detector in the United States has recorded its first three-dimensional images of particles. A team of Czech physicists, engineers and technicians from Charles University in Prague, Czech Technical University in Prague and Institute of Physics ASCR successfully contributes to the NOvA experiment. The collaboration is financially supported by Ministry of Education, Youth and Sports of the Czech Republic.
The telescope FRAM (F/Photometric Robotic Atmospheric Monitor), which is operated by the Institute of Physics of the ASCR at the Pierre Auger Observatory close to the town Malargüe in western Argentina, has successfully observed the asteroid 2012 DA14. The asteroid flew very close to the Earth surface during the evening hours of February 15th, 2013, more specifically at 20:26 CET it flew less than 28,000 kilometers above the surface of the Earth, what is the record for the celestial body of this size.
Spintronics is the leading technology for magnetic storage and sensing. In the near futurte, it is expected to provide high density magnetic random access memories and logic-in-memory architectures, opening a route to the new generation of high-speed, low-power instant on-and-off computers.
A direct transfer of angular momentum from a circularly polarized light to spins allows to excite a magnet from its equilibrium state at sub-picosecond time scales. The discovery, allowing to manipulate spins in a magnet by short laser pulses, was reported by scientists from the joint Laboratory of Opto-Spintronics at the Faculty of Mathematics and Physics, Charles University and the Institute of Physics, Academy of Sciences of the Czech Republic.
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