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9 papers · 1 filter
Abrupt Emergence of Pressure-Induced Superconductivity of 34 K in SrFe2As2: A Resistivity Study under Pressure
H. Kotegawa, H. Sugawara, H. Tou
We report resistivity measurement under pressure in single crystals of SrFe_2As_2, which is one of the parent materials of Fe-based superconductors. The structural and antiferromag…
A linear time algorithm for L(2,1)-labeling of trees
Toru Hasunuma, Toshimasa Ishii, Hirotaka Ono +1
An L(2,1)-labeling of a graph is an assignment from the vertex set to the set of nonnegative integers such that if and are adjacent and $|…
123Sb-NQR study of unconventional superconductivity in the filled skutterudite heavy-fermion compound PrOs4Sb12 under high pressure up to P = 3.82 GPa
S. Kawasaki, K. Katayama, H. Sugawara +3
We report Sb nuclear quadrupole resonance (NQR) measurements of the filled skutterudite heavy-fermion superconductor PrOsSb under high pressure. The temperature…
Anomalous Anisotropic Magnetoresistance in Heavy-Fermion PrFe4P12
H. Sugawara, E. Kuramochi, T. Namiki +3
We have investigated the anisotropy of the magnetoresistance in the Pr-based HF compound PrFe4P12. The large anisotropy of effective mass and its strong field dependence have been…
Disappearance of a Stacking Fault in Hard-Sphere Crystals under Gravity
Atsushi Mori, Yoshihisa Suzuki, Shikegi Matsuo
In the first part of this paper, a review is given on the mechanism for the disappearance of an intrinsic stacking fault in a hard-sphere (HS) crystal under gravity, which we recen…
Gap opening with ordering in PrFe4P12 studied by local tunneling spectroscopy
H. Suderow, K. Behnia, I. Guillamon +6
We present measurements of the local tunneling density of states in the low temperature ordered state of PrFe4P12. The temperature dependencies of the Fermi level density of states…