The quantum Hall effect traditionally only plays a role in two-dimensional electron systems. Recently, however, a three-dimensional version of the quantum Hall effect was described in the Dirac semimetal ZrTe5.
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IMAGE: (a) SEM images of Fe-ISAs@CN, (b) TEM image of Fe-ISAs@CN, (c) HAADF-SEM of Fe-ISAs@CN , (d, e and f) EDS Mapping. view more
Credit: YANG Wu
Recently, the research team led by Prof. KONG Lingtao from Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS) prepared a highly active single iron atom catalyst (Fe-ISAs@CN) which can activate H2O2 to generate free radicals, achieving rapid removal of sulfadiazine pollutants in aqueous. The relevant results were published in
Journal of Colloid and Interface Science.
Sulfadiazine (SDZ), a kind of synthetic sulfadiazine antibiotic, is widely used in clinical and animal husbandry industries. However, due to its large-scale use and unqualified discharge of wastewater, more and more antibiotic residues are detected in the water environment. These antibiotics are still highly toxic at very low concentrations. Due to the stable chemical structure of sulfadiazine, it is difficult to solve the
The National Radio Astronomy Observatory has selected a contractor to develop a production-ready design and build a prototype antenna for the Next Generation Very Large Array (ngVLA). The ngVLA is proposed as an array of 263 dish antennas spread across North America to form a cutting-edge scientific tool for the coming decades.
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IMAGE: University of Illinois professor David Flaherty and graduate student Tomas Ricciardulli demonstrate a more efficient and environmentally friendly method to produce hydrogen peroxide, which is in high demand for its. view more
Credit: Claire Benjamin/University of Illinois Urbana-Champaign
Hydrogen peroxide (H
2O
2) is used to disinfect minor cuts at home and for oxidative reactions in industrial manufacturing. Now, the pandemic has further fueled demand for this chemical and its antiseptic properties. While affordable at the grocery store, H
2O
2 is actually difficult and expensive to manufacture at scale.
A team led by the University of Illinois Urbana-Champaign has demonstrated a more efficient and environmentally friendly method to produce H
Credit: ZHU Qingjun
To realize tritium self-sustaining cycle through tritium breeding blanket has been one of the core technologies of future fusion reactor. Therefore the design and function of blanket must be validated by neutronic experiment under D-T neutron environment. But due to the scarcity of DT neutron source, and highly radioactivity during neutronic experiments, it is very difficult to validate the nuclear response of the blanket, the data of tritium production rate mainly rely on Monte Carlo simulation.
Recently, a research group led by ZHU Qingjun from Institute of Plasma Physics, Hefei Institutes of Physical Science (HFIPS), made progress in the experimental research on tritium production of fusion blanket mock-up, and obtained the experimental data of tritium production rate.