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Nanophysics Oct 5, 2022

Developing strategies for high-quality crystal growth

Transition metal dichalcogenides (TMDCs) are a class of materials with physical properties that make them ideally suited for use in flexible optoelectronic applications, such as light detectors, light-emitting diodes and ...

Environment Oct 3, 2022

Lake sediments show decades of coal ash contamination

An analysis of sediments from five North Carolina lakes near coal-burning power plants has found that coal ash pollution of surface waters has been more persistent and widespread than was previously known.

Planetary Sciences Sep 29, 2022

The composition of asteroidal cores in the early solar system

Iron meteorites of the solar system are composed of parent cores belonging to the earliest credited bodies of the environment. The cores are formed in two isotopically distinct reservoirs including non-carbonaceous and carbonaceous ...

Analytical Chemistry Sep 23, 2022

Developing conductive and electrocatalytic mediators in Li-S batteries

Lithium sulfide (Li-S) batteries are considered a promising and efficient energy storage system because of their high energy density (2600 Wh kg-1) and low sulfur material cost. However, numerous obstacles to the practical ...

Biochemistry Sep 23, 2022

Fighting fungal infections with metals

Each year, more than 1 billion people contract a fungal infection. Although they are harmless to most people, over 1.5 million patients die each year as a result of infections of this kind.

Nanomaterials Sep 23, 2022

Secondary ion mass spectrometry reveals atoms that make up MXenes and their precursor materials

Since the initial discovery of what has become a rapidly growing family of two-dimensional layered materials—called MXenes—in 2011, Drexel University researchers have made steady progress in understanding the complex chemical ...

Condensed Matter Sep 7, 2022

Researchers develop higher frame rate scanning tunneling microscopy

Scientists from the Faculty of Pure and Applied Sciences at The University of Tsukuba created scanning tunneling microscopy (STM) "snapshots" with a delay between frames much shorter than previously possible. By using ultrafast ...

Nanophysics Sep 5, 2022

Researchers succeed in coupling two types of electron-hole pairs

Two-dimensional van der Waals materials have been the focus of work by numerous research groups for some time. Standing just a few atomic layers thick, these structures are produced in the laboratory by combining atom-thick ...

Earth Sciences Aug 26, 2022

Machine learning could revolutionize mineral exploration

Twenty-first century technologies, including those central to a low-carbon future, rely on rare earth elements and metals. Many of these sought-after minerals reside in porphyry copper deposits that contain hundreds of millions ...

Nanophysics Aug 24, 2022

Researchers reveal origin of ultrafast mystery signals in valleytronic materials

Tiny materials hold big mysteries, the solutions to which could bring about next-generation electronics. An international collaboration led by researchers based in Japan has solved the whodunit of cryptic overtone signals ...

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