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4 papers · 2 filters
Scanning tunneling spectroscopy with superconducting tips of Al
I. Guillamon, H. Suderow, S. Vieira +1
We present Scanning Tunneling Spectroscopy measurements at 0.1 K using tips made of Al. At zero field, the atomic lattice and charge density wave of 2HNbSe2 are observed, and under…
The Fincher-Burke spin excitations and omega/T scaling in the insulating 5% Sr-doped La2CuO4
Wei Bao, Ying Chen, K. Yamada +4
Insulating La1.95Sr0.05CuO4 shares with superconducting cuprates the same Fincher-Burke-like spin excitations, which usually are observed in itinerant antiferromagnets. The local s…
Nanosecond quantum state detection in a current biased dc SQUID
J. Claudon, A. Fay, E. Hoskinson +1
This article presents our procedure to measure the quantum state of a dc SQUID within a few nanoseconds, using an adiabatic dc flux pulse. Detection of the ground state is governed…
Thermodynamics of a Heavy Ion-Irradiated Superconductor: the Zero-Field Transition
C. J. van der Beek, Thierry Klein, René Brusetti +4
Specific heat measurements show that the introduction of amorphous columnar defects considerably affects the transition from the normal to the superconducting state in zero magneti…