In contrast to other physical processes, this chemical method requires neither a vacuum nor a clean room environment — a key advantage regarding production cost.
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This subsidiary of BASF New Business has developed and uses a unique process for efficient production of high-temperature superconductors. We have valuable networks and cooperate with selected companies, institutes and universities, including:. Carsten Henschel. Send email.
What are superconductors used for? Power cables and busbars High-temperature superconductors can revolutionize power supply, especially in dense urban areas.
Fault current limiters High-temperature superconductors limit power spikes in supply networks and prevent power outages caused by short circuits. Generators Thanks to high-temperature superconductors, generators are lighter weight, smaller and more efficient. How are high-temperature superconductors produced? Deutsche Nanoschicht This subsidiary of BASF New Business has developed and uses a unique process for efficient production of high-temperature superconductors. In all cases the Ref.
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Researchers Set New High Temperature Superconductivity Record
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What are superconductors used for?
Literature Updates. The technique advances the principles of traditional X-ray scattering, exploiting the ability of modern synchrotron radiation sources to produce a beam of X-ray photons with well-defined, tunable, energy and momentum. The researchers bombarded samples of the electron-doped cuprate LCCO lanthanum cerium copper oxide , held above its transition temperature, with X-ray photons from the European Synchrotron Radiation Facility in Grenoble, France. They varied the energies of incident photons and their momenta perpendicular to the copper-oxide planes, and then measured the effect on the proportion of photons absorbed by the sample, and the energies, momenta and polarizations of the scattered photons.
These experimental results were consistent with models that assume the planes interacted through acoustic plasmons. There was a clear absorption resonance, for example, at photon energies that would have excited a plasmon wavelength equal to the distance between the copper-oxide planes. The researchers now plan to study hole-doped superconductors, some of which have been found to have higher transition temperatures than electron-doped ones like LCCO.
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Therefore it should be easier for us to investigate first whether this phenomenon is universal in the cuprate family and secondly how it changes as you enter a superconducting state. Hopefully we might get a clue about how to make a superconductor with an even higher transition temperature. He notes that a number of other materials such as nickelates, cobaltates and iridates have very similar structures to the cuprates but have shown no superconductivity at any temperature.
The ideas that this could be the source of the superconductivity have been worked out in some detail by the Nobel prize winner Tony Leggett, and I think this gives more fuel to those. The research is published in Nature. Browse all. Buyer's Guide Jobs Sign in Register. Type to search. Topics Astronomy and space Atomic and molecular Biophysics and bioengineering Condensed matter Culture, history and society Environment and energy Instrumentation and measurement Materials Mathematics and computation Medical physics Optics and photonics Particle and nuclear Quantum.
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