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11 papers · 1 filter
Macroscopic quantum tunneling in a d-wave high-Tc superconductor
K. Inomata, S. Sato, K. Nakajima +6
There is a wide recognition that Josephson-junction-like structures intrinsic to the layered cuprate high temperature superconductors offer an attractive stage for exploiting possi…
Magnetic field dependence of superconducting energy gaps in YNi2B2C: Evidence of multiband superconductivity
S Mukhopadhyay, Goutam Sheet, P Raychaudhuri +1
We present results of in field directional point contact spectroscopy (DPCS) study in the quaternary borocarbide superconductor YNi2B2C, which is characterized by a highly anisotro…
Temperature-dependent soft x-ray photoemission and absorption studies of charge disproportionation in LaSrFeO
H. Wadati, A. Chikamatsu, R. Hashimoto +7
We have measured the temperature dependence of the photoemission and x-ray absorption spectra of LaSrFeO (LSFO) epitaxial thin films with , where charge dis…
Observation of the spontaneous vortex phase in the weakly ferromagnetic superconductor ErNiBC: A penetration depth study
Elbert E. M. Chia, M. B. Salamon, Tuson Park +3
The coexistence of weak ferromagnetism and superconductivity in ErNiBC suggests the possibility of a spontaneous vortex phase (SVP) in which vortices appear in the ab…
Ordered magnetic and quadrupolar states under hydrostatic pressure in orthorhombic PrCu2
T. Naka, L. A. Ponomarenko, A. de Visser +3
We report magnetic susceptibility and electrical resistivity measurements on single-crystalline PrCu2 under hydrostatic pressure, up to 2 GPa, which pressure range covers the press…
Superconductivity in CVD Diamond Thin Film Well-Above Liquid Helium Temperature
Y. Takano, M. Nagao, K. Kobayashi +5
Diamond has always been adored as a jewel. Even more fascinating is its outstanding physical properties; it is the hardest material known in the world with the highest thermal cond…