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| APS - Superconductivity Explained |
The physics of low-temperature superconductivity is fairly well understood, but the ultimate goal of achieving the phenomenon at much higher temperatures remains tantalizingly elusive. The most promising high-temperature superconductor candidates are generally considered to be cuprates with perovskite structures, but it is unclear what mechanisms allow these materials to become superconducting — and how the superconducting temperatures (Tc) can be increased.
By examining the stripe phase-ordering in La1.875Ba0.125CuO4 (LBCO) under high pressure at the U.S. Department of Energy Office of Science’s Advanced Photon Source (APS) at Argonne National Laboratory, a team of researchers from Argonne, Washington University in St. Louis, and Brookhaven National Laboratory probed those questions, specifically, the relationship between stripe ordering and superconductivity. Their work reveals the interplay between stripes, lattice structure, and the superconductivity of LBCO in unprecedented detail and is an important step in understanding high-Tc superconductivity and eventually achieving practical room-temperature superconductors.
Argonne National Laboratory: Superconductivity with stripes
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