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Scientist Discovers New Oxidation State of Rhodium

Interdisciplinary collaboration between physics and chemistry enables rare finding

16-Sep-2022

Mayara da Silva Santos, doctoral candidate at the University of Freiburg’s Institute of Physics, has discovered a new oxidation state of rhodium. This chemical element is one of the most catalytically important platinum-group metals and is used, for example, in catalytic converters for ...

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Important milestone on the way to transition metal catalysis with aluminum

Chemists successfully synthesize a cationic, low-valent aluminum complex salt via metathesis

15-Aug-2022

The chemists Philipp Dabringhaus, Julie Willrett and Prof. Dr. Ingo Krossing from the Institute of Inorganic and Analytical Chemistry at the University of Freiburg have succeeded in synthesizing the low-valent cationic aluminum complex [Al(AlCp*)3]+ by a metathesis reaction. The team presents ...

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Chemists develop new reagent for deelectronation

The reagent provides access to the class of clustered transition metal carbonyl cations

12-Aug-2022

Chemists from Freiburg have succeeded in converting polynuclear transition metal carbonyls into their homoleptic complex cations using typical inorganic oxidants. In their work, the research team of Malte Sellin, Christian Friedmann and Prof. Dr. Ingo Krossing from the Institute of Inorganic and ...

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New insights into binding configuration and mobility of molecules on nanoparticle surfaces

Physicists investigate binding between molecules and nanoparticles with high resolution

17-Jun-2022

How molecules bind to a surface is of central importance in chemical reactions, making the possibility of studying binding configurations in isolated nanosystems of great interest. A Freiburg research team led by Dr. Lukas Bruder and Prof. Dr. Frank Stienkemeier has now succeeded in studying the ...

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New process enables 3D printing of small and complex components made of glass in just a few minutes

Possible applications of the new process technology are micro-optical components of sensors, microscopes or lab-on-a-chip systems

21-Apr-2022

Because of its outstanding transparency as well as its stability in contact with heat or chemicals, glass is relevant for many high-tech applications. However, conventional processes for shaping glass are often tedious, energy-intensive and quickly reach their limits for small and complicated ...

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Complex pathways influence time delay in ionization of molecules

Study shows how the mechanism of photoionization can be used to gain insights into complex molecular potentials

18-Mar-2022

How can researchers use the mechanism of photoionization to gain insight into complex molecular potential? This question has now been answered by a team led by Prof. Dr. Giuseppe Sansone from the Institute of Physics at the University of Freiburg. The researchers from Freiburg, the Max Planck ...

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Demonstrating Feshbach resonances between a single ion and ultracold atoms

Researchers study the interaction between lithium atoms and barium ion isolated in ultrahigh vacuum and trapped using light traps

20-Dec-2021

A team led by Prof. Dr. Tobias Schätz, Professor of Atomic and Quantum Physics at the Institute of Physics at the University of Freiburg, Dr. Pascal Weckesser, Fabian Thielemann and colleagues, demonstrate magnetic Feshbach resonances between a single barium ion and lithium atoms at near absolute ...

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Study analyzes technologies’ climate efficiency in removing carbon dioxide from the atmosphere

One process has similar CO2 footprint to e-mobility

02-Nov-2021

Technologies for the removal of carbon dioxide (CO2) from the atmosphere (direct air capture, or DAC for short) are already in use, but neither their actual benefits for climate protection nor their other environmental impact have yet to be investigated. A research team led by Kavya Madhu and ...

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Crucial step identified in the conversion of biomass to methane

Researchers find the enzymatic link in the formation of methane from fatty acids by cooperating microorganisms

05-Oct-2021

Microbial production of methane from organic material is an essential process in the global carbon cycle and an important source of renewable energy. This natural process is based on a cooperative interaction between different types of microorganisms: the fermenting bacteria and the ...

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“Rainbow color maps are pretty, but not suitable for science”

Researchers show distorted representation and perception of scientific results with colorful graphics and suggest alternatives

27-Aug-2021

Colorful maps and figures with rainbow-colored gradients from scientific papers often serve as eye-catchers in journals and are readily shared in social media. Hydrologist Dr. Michael Stölzle from the Institute of Earth and Environmental Sciences at the University of Freiburg and Dr. Lina Stein ...

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