A team of scientists from DESY and the University of Hamburg has achieved an important milestone in the quest for a new type of compact particle accelerator. Using ultra-powerful pulses of laser light, they were able to produce particularly high-energy flashes of radiation in the terahertz range having a sharply defined wavelength (colour). Terahertz radiation is to open the way for a new generation of compact particle accelerators that will find room on a lab bench.
Using a new approach, Princeton University researchers detected the elusive Majorana quasiparticle, notable for being its own antiparticle and for its potential as the basis for a robust quantum computing system, in a device built from a superconductor, small magnetic elements, and a topological insulator.
UTokyo researchers have created an electronic component that demonstrates functions and abilities important to future generations of computational logic and memory devices. It is between one and two orders of magnitude more power efficient than previous attempts to create a component with the same kind of behavior. This fact could help it realize developments in the emerging field of spintronics.
Green bodies' porous structure, i.e. mesostructure, affects dramatically the functional parameters of the optical ceramics obtained by reactive sintering. Characteristics of the mesostructure are proposed to regulate by pre-annealing of green bodies at temperatures below the phase formation and consolidation. The approach was presented in the article published in Journal of the European Ceramic Society.
In 2005, condensed matter physicists Charles Kane and Eugene Mele considered the fate of graphene at low temperatures. Their work led to the discovery of a new state of matter dubbed a 'topological insulator,' which would usher in a new era of materials science.
Energy is transferred through the structure in a way that boosts its response to light, showing promise for solar cell applications.
Superconductors are quantum materials that are perfect transmitters of electricity and electronic information. Presently, cuprates are the best candidate for highest temperature superconductivity at ambient pressure, operating at approximately -120 °C. Improving this involves understanding competing phases, one of which has now been identified.
Researchers from Carnegie Mellon University's Mellon College of Science and College of Engineering have developed a semiliquid lithium metal-based anode that represents a new paradigm in battery design. Lithium batteries made using this new electrode type could have a higher capacity and be much safer than typical lithium metal-based batteries that use lithium foil as anode. The interdisciplinary research team published their findings in the current issue of Joule.
Japanese researchers are poised to reboot the field of aromatic-fused porphyrin sensitizers for dye-sensitized solar cells, the most efficient solar technology available at present.
By finding a certain kind of defect inside a block of diamond and fashioning a pattern of nanoscale pillars on the surface above it, Penn Engineering researchers can now control the shape of individual photons emitted by the defect. Because those photons carry information about the spin state of an electron, such a system could be used as the basis for compact quantum technologies.