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The culprit of superconductivity in cuprates

When it comes to high-temperature superconductors, "high" is a relative term. In the field of superconductivity, "high temperature" means anything that can still be superconductive over 30 degrees Kelvin (K), or a balmy -405 ...

dateOct 11, 2018 in Superconductivity
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Strained materials make cooler superconductors

University of Wisconsin-Madison engineers have added a new dimension to our understanding of why straining a particular group of materials, called Ruddlesden-Popper oxides, tampers with their superconducting properties.

Some superconductors can also carry currents of 'spin'

Researchers have shown that certain superconductors—materials that carry electrical current with zero resistance at very low temperatures—can also carry currents of 'spin'. The successful combination of superconductivity ...

Superconductivity in an alloy with quasicrystal structure

Extraordinary things happen at low temperatures. One of the best examples is superconductivity, a phenomenon wherein the electrical resistance of a solid drops to zero below a critical temperature. Known for a century, superconductivity ...

Weird superconductor leads double life

Until about 50 years ago, all known superconductors were metals. This made sense, because metals have the largest number of loosely bound "carrier" electrons that are free to pair up and flow as electrical current with no ...

Shedding light on the mystery of the superconducting dome

University of Groningen physicists, and colleagues from Nijmegen and Hong Kong, have induced superconductivity in a monolayer of tungsten disulfide. By using an increasing electric field, they were able to show how the material ...

Bringing a hidden superconducting state to light

A team of scientists has detected a hidden state of electronic order in a layered material containing lanthanum, barium, copper, and oxygen (LBCO). When cooled to a certain temperature and with certain concentrations of barium, ...

Missing link to novel superconductivity revealed

Scientists at the U.S. Department of Energy's Ames Laboratory have discovered a state of magnetism that may be the missing link to understanding the relationship between magnetism and unconventional superconductivity. The ...

Scientists control superconductivity using spin currents

A group of researchers from institutions in Korea and the United States has determined how to employ a type of electron microscopy to cause regions within an iron-based superconductor to flip between superconducting and non-superconducting ...

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