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Materials Science May 4, 2020

How new materials increase the efficiency of direct ethanol fuel cells

Ethanol has five times higher volumetric energy density (6.7 kWh/L) than hydrogen (1.3 kWh/L) and can be used safely in fuel cells for power generation. In Brazil in particular there is great interest in better fuel cells ...

Astronomy Apr 17, 2020

Dust devils may roam hydrocarbon dunes on Saturn's moon Titan

Meteorological conditions on Saturn's large moon Titan, the strange, distant world that may be the most Earth-like in the solar system, appear conducive to the formation of dust devils, according to new research in AGU's ...

Superconductivity Apr 6, 2020

Nonreciprocal transport in the gate-induced strontium titanate polar superconductor

In materials science, two-dimensional electron systems (2DES) realized at the oxide surface or interface are a promising candidate to achieve novel physical properties and functionalities in a rapidly emerging quantum field. ...

Quantum Physics Apr 2, 2020

Scientists tap into AI to put a new spin on neutron experiments

Scientists seek to use quantum materials—those that have correlated order at the subatomic level—for electronic devices, quantum computers, and superconductors. Quantum materials owe many of their properties to the physics ...

Materials Science Mar 23, 2020

Chasing lithium ions on the move in a fast-charging battery

A team of scientists led by the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and Lawrence Berkeley National Laboratory has captured in real time how lithium ions move in lithium titanate (LTO), a fast-charging ...

Astronomy Mar 9, 2020

Safety zone saves giant moons from fatal plunge

Numerical simulations show that the temperature gradient in the gas disk around a young gas giant planet could play a critical role in the development of a satellite system dominated by a single large moon, similar to Titan ...

Nanophysics Feb 28, 2020

Helical quantum Hall phase in graphene on strontium titanate

Materials that exhibit topological phases can be classified by their dimensionality, symmetries and topological invariants to form conductive-edge states with peculiar transport and spin properties. For example, the quantum ...

Materials Science Feb 26, 2020

Cold sintering produces capacitor material at record low temperatures

Barium titanate is an important electroceramic material used in trillions of capacitors each year and found in most electronics. Penn State researchers have produced the material at record low temperatures, and the discovery ...

Space Exploration Feb 14, 2020

Galactic cosmic rays affect Titan's atmosphere

Planetary scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) revealed the secrets of the atmosphere of Titan, the largest moon of Saturn. The team found a chemical footprint in Titan's atmosphere indicating ...

Space Exploration Feb 7, 2020

Can polarity-inverted membranes self-assemble on Saturn's moon Titan?

Astrobiologists are focused on resolving two central questions to understand the environmental and chemical limits of life. By understanding life's boundaries, they intend to identify possible biosignatures in exoplanet atmospheres ...

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