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5 papers · 2 filters
Nernst effect in the phase-fluctuating superconductor InO
P. Spathis, H. Aubin, A. Pourret +1
We present a study of the Nernst effect in amorphous 2D superconductor InO, whose low carrier density implies low phase rigidity and strong superconducting phase fluctuations.…
Investigations on the relationship between and the superconducting gap under magnetic and non-magnetic impurity substitutions in YBaCuO
M. Le Tacon, A. Sacuto, Y. Gallais +2
We report electronic Raman scattering measurements on optimally doped YBa2Cu3O7 where Zn or Ni impurities have been substituted by Cu. Using Raman selection rules, we have probed t…
Flux Line Lattice Melting and the Formation of a Coherent Quasiparticle Bloch State in the Ultraclean URuSi Superconductor
R. Okazaki, Y. Kasahara, H. Shishido +7
We find that in ultraclean heavy-fermion superconductor URuSi ( K) a distinct flux line lattice melting transition with outstanding characters occurs well belo…
Exotic Superconducting Properties in the Electron-Hole Compensated Heavy Fermion `Semimetal' URu2Si2
Y. Kasahara, T. Iwasawa, H. Shishido +7
We show that the charge and thermal transport measurements on ultraclean crystals of URu2Si2 reveal a number of unprecedented superconducting properties. The uniqueness is best hig…
A length scale for the superconducting Nernst signal above T in NbSi
A. Pourret, H. Aubin, J. Lesueur +4
We present a study of the Nernst effect in amorphous superconducting thin films of NbSi. The field dependence of the Nernst coefficient above T displays two…