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Strongly Enhanced Magnetic Fluctuations in a Heavy-mass Layered Ruthenate
O. Friedt, P. Steffens, M. Braden +3
We have studied the magnetic excitations in CaSrRuO, x=0.52 and 0.62, which exhibit an anomalous high susceptibility and heavy mass Fermi liquid behavior. Our inela…
Field-Orientation Dependent Heat Capacity Measurements at Low Temperatures with a Vector Magnet System
Kazuhiko Deguchi, Takehiko Ishiguro, Yoshiteru Maeno
We describe a heat capacity measurement system for the study of the field-orientation dependence for temperatures down to 50 mK. A "Vector Magnet" combined with a mechanical rotato…
Anisotropy of the incommensurate fluctuations in Sr2RuO4: a study with polarized neutrons
M. Braden, P. Steffens, Y. Sidis +4
The anisotropy of the magnetic incommensurate fluctuations in Sr2RuO4 has been studied by inelastic neutron scattering with polarized neutrons. We find a sizeable enhancement of th…
Anisotropic Release of the Residual Zero-point Entropy in the Spin Ice Compound Dy2Ti2O7: Kagome-ice Behavior
Ryuji Higashinaka, Hideto Fukazawa, Yoshiteru Maeno
We report the specific heat and entropy of single crystals of the spin ice compound Dy2Ti2O7 at temperatures down to 0.35 K. We apply magnetic fields along the four characteristic…
Raman scattering studies of spin, charge, and lattice dynamics in Ca_{2-x}Sr_{x}RuO_{4} (0 =< x < 0.2)
H. Rho, S. L. Cooper, S. Nakatsuji +2
We use Raman scattering to study spin, charge, and lattice dynamics in various phases of Ca_{2-x}Sr_{x}RuO_{4}. With increasing substitution of Ca by Sr in the range 0 =< x < 0.2,…
Interface superconductivity in the eutectic Sr2RuO4-Ru: 3-K phase of Sr2RuO4
Hiroshi Yaguchi, Masahiko Wada, Takashi Akima +2
The eutectic system Sr2RuO4-Ru is referred to as the 3-K phase of the spin-triplet supeconductor Sr2RuO4 because of its enhanced superconducting transition temperature Tc of ~3 K.…