Masatoshi Sato

TL;DR: Inelastic scattering measurements show a similarly strong anomaly in the Cu–O bond-stretching phonon in the copper oxide superconductors La2-xSrxCuO4, suggesting that this giant electron–phonon anomaly, which is absent in undoped and over-doped non-superconductors, is associated with charge inhomogeneity.

TL;DR: In this article, a ferroelectric transition occurring simultaneously with a helical spin order has been found in both the polycrystalline and single-crystal samples of LiCuVO 4.

TL;DR: In this paper, two mechanisms of T c suppression by the doped impurities have been found: one is the electron localization, which appears when the sheet r... instead of the pair breaking effect expected for the S ± superconducting symmetry proposed as the most probable symmetry.

TL;DR: In this paper, a new structural transition has been found in Li 2 RuO 3 with a honeycomb lattice of edge-sharing RuO 6 octahedra, and a significant reduction of the bond lengths is found between two of the six Ru-Ru pairs of the hexagon in the low-temperature phase.

TL;DR: In this article, the superconducting system LaFe 1- y Co y AsO 1- x F x (x = 0.11) and its measurements of their electrical resistivity ρ were carried out and it was shown that the potential scattering does not seem to primarily suppress superconductivity.