A new way to manufacture a low-cost superconducting material should lead to cheaper magnetic resonance imaging machines and other energy-efficient applications, say Los Alamos National Laboratory scientists.
Hot isostatic pressing of wires made of magnesium diboride, or MgB2, significantly increased the amount of electrical current the wires can carry without electrical resistance. Wires made from MgB2 would reduce the costs of such products as MRIs and electrical generators, say the researchers: Adriana Serquis, Leonardo Civale, Xiaozhou Liao, J. Yates Coulter, Duncan Hammon, Yuntian Zhu, Dean Peterson and Fred Mueller from Los Alamos Superconductivity Technology Center; and Vitali Nesterenko from the University of California, San Diego. They presented their findings on Dec. 3 at the Materials Research Society meeting in Boston.
"This material will likely serve as a bridge to the energy future in a variety of cost-driven applications, because potentially this is the lowest-cost superconducting material," said Peterson, who leads the Los Alamos Center. "Theres nothing to prevent making this material into wires that are many miles long."
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21.02.2018 | North Carolina State University
A newly developed laser technology has enabled physicists in the Laboratory for Attosecond Physics (jointly run by LMU Munich and the Max Planck Institute of Quantum Optics) to generate attosecond bursts of high-energy photons of unprecedented intensity. This has made it possible to observe the interaction of multiple photons in a single such pulse with electrons in the inner orbital shell of an atom.
In order to observe the ultrafast electron motion in the inner shells of atoms with short light pulses, the pulses must not only be ultrashort, but very...
A group of researchers led by Andrea Cavalleri at the Max Planck Institute for Structure and Dynamics of Matter (MPSD) in Hamburg has demonstrated a new method enabling precise measurements of the interatomic forces that hold crystalline solids together. The paper Probing the Interatomic Potential of Solids by Strong-Field Nonlinear Phononics, published online in Nature, explains how a terahertz-frequency laser pulse can drive very large deformations of the crystal.
By measuring the highly unusual atomic trajectories under extreme electromagnetic transients, the MPSD group could reconstruct how rigid the atomic bonds are...
Quantum computers may one day solve algorithmic problems which even the biggest supercomputers today can’t manage. But how do you test a quantum computer to...
For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.
In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...
Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale
Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...
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23.02.2018 | Physics and Astronomy