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Research
Origins of the unexpected thermoelectric properties of group IV monochalcogenides
15.11.2023
A team of scientists from Wrocław University of Science and Technology in cooperation with researchers from the URANOS beamline conducted a series of experiments on layered semiconductors GeS, SnS, and SnSe using the angle-resolved photoemission spectroscopy (ARPES). The investigation revealed characteristic features of the electronic band structure, potentially responsible for the enhanced thermoelectric properties.
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Photocatalytic hydrogen production without causing greenhouse gas emissions
08.11.2023
Scientists from the Faculty of Chemical and Process Engineering of the Warsaw University of Technology, the Institute of Physical Chemistry of the Polish Academy of Sciences, Fuzhou University, Universidad Cooperativa de Colombia, and the SOLARIS National Synchrotron Radiation Centre have published a paper in the Chemical Engineering Journal in which they present a Cu/TiO2 nano photocatalyst enabling experimentally confirmed photocatalytic hydrogen production without causing greenhouse gas emissions. They explained the results of the photoreforming reaction of an aqueous methanol solution under UV LED illumination. To investigate the degree of copper oxidation on the surface of titanium dioxide (TiO2) nanoparticles, X-ray absorption spectroscopy measurements were carried out using structure data close to the X-ray absorption edge (XANES technique) at the ASTRA beamline.
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Efficient water purification through solar energy
06.11.2023
A group of researchers led by Dr. Marta Prześniak-Welenc from the Institute of Nanotechnology and Materials Engineering, Gdańsk University of Technology has conducted research on effective water purification through solar energy. They investigated the role of NH4V4O10 and its rGO composite in combating organic and inorganic pollutants. The results were published in the journal “Scientific Reports". Their research was conducted on a commercial access mode at the SOLARIS Centre on the ASTRA beamline.
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Milestone in the search for a new time and frequency standard
19.10.2023
An international team of scientists from the United States and Europe led by Yuri Shvyd’ko of Argonne National Laboratory (USA), with the participation of NSRC SOLARIS empolyee, dr. eng. Tomasz Kołodziej, excited successfully for the first time with x-rays an isomeric state in Scandium-45 – the sharpest quantum transition in hard x-ray regime. This is an achievement, which may lead to a new type of ultra-precise clocks. The results were presented in an article in the Nature journal.
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Exploration of the mechanism of phase formation in pulsed laser irradiation of suspensions
04.10.2023
The cooperation between scientists of the Institute of Nuclear Physics Polish Academy of Sciences and ASTRA beamline resulted in a better understanding of the mechanism of phase formation in pulsed laser irradiation of suspension (PLIS) for submicron heterostructure formation.
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