Structure determination of the possibly topological superconductor CuxBi2Se3
The crystal structure of CuxBi2Se3 - possibly a topological superconductor with spin triplet pairing - is not unambiguously determined so far. Substantial progress could be achieved by the experiment 5-41-914 carried out in 2017 on D9 suggesting a fully different interpretation with a symmetry breaking already in the normal state of Cu doped Bi2Se3. A precise knowledge of the crystal structure in all relevant temperature regimes provides the basis for understanding this material including it possibly topological superconductivity.
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FROEHLICH Tobias; M. Braden; FABELO ROSA Oscar Ramon and STUNAULT Anne. (2018). Structure determination of the possibly topological superconductor CuxBi2Se3. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-11-426
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