599 citations
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9 papers · 1 filter
Oxygen phonon branches in overdoped LaSrCuO
L. Pintschovius, D. Reznik, K. Yamada
The dispersion of the Cu-O bond-stretching vibrations in overdoped LaSrCuO (not superconducting) has been studied by high resolution inelastic neutron scatterin…
Spin Gap in Optimally-doped YBCO
D. Reznik, L. Pintschovius, Y. Endoh +4
Spin gap in optimally-doped YBCO was investigated by inelastic neutron scattering. We found that q-integrated spectral weight in the vicinity of the spin gap has a shape of a step…
Magnetic spectral response and lattice properties in mixed-valence Sm1-x Yx S solid solutions studied with x-ray diffraction, x-ray absorption spectroscopy, and inelastic neutron scattering
P. A. Alekseev, J. -M. Mignot, E. V. Nefeodova +11
Mixed-valence phenomena occurring in the "black" (B) and "gold" (G) phases of Sm1-x Yx S have been studied by x-ray diffraction, x-ray absorption spectroscopy, and inelastic neutro…
Soluble Hydrogen-bonding Interpolymer Complexes in Water: A Small-Angle Neutron Scattering Study
Maria Sotiropoulou, Julian Oberdisse, Georgios Staikos
The hydrogen-bonding interpolymer complexation between poly(acrylic acid) (PAA) and the poly(N,N-dimethylacrylamide) (PDMAM) side chains of the negatively charged graft copolymer p…
Direct evidence for a dynamical ground state in the highly frustrated TbSnO pyrochlore
F. Bert, P. Mendels, A. Olariu +5
MuSR experiments have been performed on powder sample of the "ordered spin ice" TbSnO pyrochlore compound. At base temperature (T=35mK) the muon relaxation is found to…
Why pinning by surface irregularities can explain the peak effect in transport properties and neutron diffraction results in NbSe2 and Bi-2212 crystals?
Charles Simon, Alain Pautrat, Christophe Goupil +6
The existence of a peak effect in transport properties (a maximum of the critical current as function of magnetic field) is a well-known but still intriguing feature of type II sup…