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Sustainable Chemical Production with Electricity

New research initiative CHEM|ampere

22-Nov-2019

By 2050, the chemical industry should operate in a climate neutral fashion, which means phasing-out fossil oil, gas and coal. Therefore alternative carbon sources and renewable energy have to be utilized in order to replace fossil reserves. A new Stuttgart Research Initiative will elaborate on ...

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Physicists prove the existence of a supersolid state of matte

11-Sep-2019

A supersolid is a state of matter that can be described in simplified terms as being solid and liquid at the same time. In recent years, extensive efforts have been devoted to the detection of this exotic quantum matter. A research team led by Tilman Pfau and Tim Langen at the 5th Institute of ...

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Chemicals from carbon dioxide – with plasma and perovskite membranes

06-Jun-2019

Researchers at the Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB and the University of Stuttgart aim to use the climate-damaging greenhouse gas carbon dioxide as a raw material for the production of chemicals. To do this, they are developing a combined plasma and membrane ...

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Electrons use the zebra crossing

Exotic Patterns of interacting electrons at the metal-insulator transition

20-Dec-2018

Since high school we know that matter appears in three different phases (solid, liquid, gas); yet the microscopic details about the transformation from one state to the other puzzles physicists until now. An international team of scientists led by Prof. Martin Dressel from the Institute of ...

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Physicists are taking the next step towards more sensitive sensors

Supersensitive through quantum entanglement

30-Jun-2017

Entangled states of light allow for enhanced sensitivity in optical interferometry, a measurement technique in physics. Therefore, so-called path-entangled photon states in well-defined temporal pulses are required. So far, the generation of such states was possible only to a limited extent in a ...

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Quantum gas, liquid and crystal all-in-one

Scientists discover new, unique state of matter.

03-Feb-2016

The world of quantum mechanics happens only in small scales around a few nanometers. In this nanoworld, particles can behave like waves, and vice versa and have only some probability to be in a particular region. These effects can be directly observed in ultracold dilute gases. For this purpose ...

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Initial energy efficiency index for the German Industry published

High sensitivity – little action

06-Jan-2014

How energy-efficient is the production in German industry today? The Institute for Energy Efficiency in Production (EEP) at the University of Stuttgart is publishing the energy efficiency index of the German industry for the first time in cooperation with the Federal Association of German ...

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Growing gallium nitride crystals

06-Nov-2013

Gallium nitride (GaN) is an important material for the semiconductor industry. It features a wide band gap and high thermal conductivity at room temperature, which make it a good material for optoelectronic devices and high-performance radio-frequency microdevices. In the European Journal of ...

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On the edge of friction

Precise insight into how two microscopic surfaces slide over one another could help in the manufacture of low-friction surfaces

22-Dec-2011

The problem exists on both a large and a small scale, and it even bothered the ancient Egyptians. However, although physicists have long had a good understanding of friction in things like stone blocks being pulled by workers into the shape of a pyramid, they have only now been able to explain ...

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The world’s smallest steam engine

A heat engine measuring only a few micrometres works as well as its larger counterpart, although it splutters

13-Dec-2011

What would be a case for the repair shop for a car engine is completely normal for a micro engine. If it sputters, this is caused by the thermal motions of the smallest particles, which interfere with its running. Researchers at the University of Stuttgart and the Stuttgart-based Max Planck ...

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