Synchrotron X-ray diffraction reveals lattice distortion in topological superconductor CuxBi₂Se₃ (IMAGE)
Caption
Researchers at Okayama University used high-resolution synchrotron X-ray diffraction to detect tiny lattice distortions (about 100 parts per million) emerging as the topological superconductor CuxBi₂Se₃ enters its superconducting state. The distortions only appear when the superconducting order parameter tilts away from high-symmetry crystal axes, providing direct evidence for a two-component nematic superconducting state.
Credit
Professor Guo-qing Zheng from Okayama University, Japan
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