A team of researchers has developed a novel material synthesis method called proton-driven ion introduction (PDII) which utilizes a phenomenon similar to 'ion billiards.' The new method could pave the way for creating numerous new materials, thus drastically advancing materials sciences.
Using numerical simulations, a research group showed how a magnetic field could be used to control the properties of north and south poles, which are fractionalized from magnetic moments of electrons, on a frustrated magnet called a quantum spin ice.
LED light bulbs are getting cheaper and more energy efficient every year. So, does it make sense to replace less-efficient bulbs with the latest light-emitting diodes now, or should you wait for future improvements and even lower costs?
Iron-air batteries promise a considerably higher energy density than present-day lithium-ion batteries. Their main constituent -- iron -- is an abundant and therefore cheap material. Scientists have now successfully observed with nano-scale precision how deposits form at the iron electrode during operation.
Fusion is the process that powers the sun, and harnessing it on Earth would provide unlimited clean energy. Researchers say that constructing a fusion power plant has proven to be a daunting task because there have been no materials that could survive the grueling conditions found in the core of a fusion reactor. Now, researchers have discovered a way to make materials that may be suitable for use in future fusion reactors.
Modern solar cells, which use energy from light to generate electrons and holes that are then transported out of semiconducting materials, have existed for over 60 years. Little attention has been paid, however, to the promise of using light to drive the transport of oppositely charged protons and hydroxides obtained by dissociating water molecules. Researchers report such a design, which has promising application in producing electricity to turn brackish water drinkable.
Soft magnetic core engineering plays a key role in high-efficiency electric motors, but for higher-frequency applications, soft magnetic composites are also promising. Each stage of motor construction affects the material's microstructure, and understanding the details of the microstructure is paramount to reaching higher efficiency for electrical motors. Researchers have now created an advanced characterization method to closely examine microscale structural characteristics and changes during manufacturing processes using electron backscatter diffraction.
Researchers have identified methods to predict the environmental and social cost of resourcing new deposits of rare earth minerals used in the production of mobile phones, wind turbines and electric vehicles.
Lasers have been used by researchers to create conditions that mimic astrophysical behavior. The laboratory technique enables the study of outer-space-like plasma in a controlled and reproducible environment.
Physicists have made a breakthrough in revising methods largely discarded 15 years ago. They have discovered a microscopic mechanism that will allow gallium nitride semiconductors to be used in electronic devices that distribute large amounts of electric power.
Electrical physicists have provided additional evidence that new current sensors introduce errors when assessing current through iron conductors. The researchers show how a difference in a conductor's magnetic permeability, the degree of material's magnetization response in a magnetic field, affects the precision of new sensors. They also provide recommendations for improving sensor accuracy.
Contrary to popular thought, nuclear proliferation is not more likely to occur among countries with nuclear energy programs, according to research. In a historical analysis of the relationship between nuclear energy programs and proliferation from 1954 to 2000, the study finds that the link between the two has been overstated.
U.S. state policies aimed at mitigating power plant emissions vary widely in effectiveness, finds a new study. The analysis shows that policies with mandatory compliance are associated with the largest reductions in power plant emissions.
Researchers have discovered that a special kind of perovskite, a combination of an organic and inorganic compound that has the same structure as the original mineral, can be layered on a silicon wafer to create a vital component for the communications system of the future. That system would use the terahertz spectrum, the next generation of communications bandwidth that uses light instead of electricity to shuttle data.