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SCIRENT appoints Dr Maximilian Posch, MD, as Chief Medical Officer
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Arab constitutionalism coming revolution | Comparative law | Cambridge University Press
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Student representatives at Humboldt University in Germany support disciplinary complaint against president, demand action against Professor Baberowski The disciplinary complaint of the International Youth and Students for Social Equality (IYSSE) against Humboldt University (HU) President Sabine Kunst is finding broad support.
In recent weeks, student councils at HU and the Technical University of Berlin, which together represent more than 75,000 students, have shown solidarity with the complaint. Student representatives outside of Berlin, including the AStA (General Student Council) of the University of Bremen, have also supported the complaint.
The development shows the enormous opposition among workers and young people to right-wing extremism and fascism. Students do not accept that right-wing extremist professors, with the active support of the university administration, can once again falsify history and promote fascistic politics at German universities.
Bundestagswahl: Kommunisten, Veganer und Urbane (nd aktuell)
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27.07.2021 Lead-free perovskite solar cells – How fluoride additives improve quality
Tin halide perovskites are currently considered the best alternative to their lead-containing counterparts, which are, however, still significantly less efficient and stable.
Now, a team led by Prof. Antonio Abate from HZB has analysed the chemical processes in the perovskite precursor solution and the fluoride compounds in detail. Using a clever combination of measurement methods at BESSY II and with NMR at the Humboldt-University Berlin, they were able to show that fluoride prevents the oxidation of tin and leads to a more homogeneous film formation with fewer defects, increasing the quality of the semiconductor layer.