87 citations · 769 across the 37 of their papers we have counts for
20 papers · 1 filter
Extreme High-Field Superconductivity in Thin Re Films
F. N. Womack, D. P. Young, D. A. Browne +4
We report the high-field superconducting properties of thin, disordered Re films via magneto-transport and tunneling density of states measurements. Films with thicknesses in the r…
Critical field behavior of a multiply connected superconductor in a tilted magnetic field
F. N. Womack, P. W. Adams, J. M. Valles +1
We report magnetotransport measurements of the critical field behavior of thin Al films deposited onto multiply connected substrates. The substrates were fabricated via a standard…
Fermi surface, possible unconventional fermions, and unusually robust resistive critical fields in the chiral-structured superconductor AuBe
Drew J. Rebar, Serena M. Birnbaum, John Singleton +7
The noncentrosymmetric superconductor (NCS) AuBe is investigated using a variety of thermodynamic and resistive probes in magnetic fields of up to 65~T and temperatures down to 0.3…
Atomic-scale tailoring of spin susceptibility via non-magnetic spin-orbit impurities
F. N. Womack, P. W. Adams, Hyoungdo Nam +2
Following the discovery of topological insulators, there has been a renewed interest in superconducting systems that have strong spin-orbit (SO) coupling. Here we address the funda…
Zeeman-limited Superconductivity in Crystalline Al Films
Philip W. Adams, Hyoungdo Nam, Chih-Kang Shih +1
We report the evolution of the Zeeman-mediated superconducting phase diagram (PD) in ultra-thin crystalline Al films. Parallel critical field measurements, down to 50 mK, were made…
Complex superconductivity in the noncentrosymmetric compound ReZr
Mojammel A. Khan, A. B. Karki, T. Samanta +10
We report the electronic structure, synthesis, and measurements of the magnetic, transport, and thermal properties of the polycrystalline noncentrosymmetric compound ReZr. We…
Superconducting and Critical Current Properties of NiBi3 Thin Films on Carbon Microfibers and Sapphire
N. Haldolaarachchige, Y. M. Xiong, P. W. Adams +1
The superconducting and critical current properties of thin films of NiBi3 formed on the surface of carbon microfibers and sapphire substrates are reported. The NiBi3 coated carbon…
Spin-Resolved Tunneling Studies of the Exchange Field in EuS/Al Bilayers
Y. M. Xiong, S. Stadler, P. W. Adams +1
We use spin-resolved electron tunneling to study the exchange field in the Al component of EuS/Al bilayers, in both the superconducting and normal-state phases of the Al. Contrary…
Physical properties of the non-centrosymmetric superconductor Nb0.18Re0.82
Amar B. Karki, Yimin M. Xiong, Neel Haldolaarachchige +6
We report the synthesis and measurements of magnetic, transport, and thermal properties of polycrystalline Nb0.18Re0.82, which has a superconducting transition at Tc ~ 8.8 K. The n…
Anisotropic superconductivity in layered LaSb: the role of phase fluctuations
S. Guo, D. P. Young, P. W. Adams +4
We present magnetic susceptibility and electrical transport measurements of the highly anisotropic compound LaSb observing a very broad transition into a clean, consistent with…
Pairing resonance as a normal-state spin probe in ultra-thin Al films
G. Catelani, Y. M. Xiong, X. S. Wu +1
We present a quantitative analysis of the low-temperature, high parallel field pairing resonance in ultra-thin superconducting Al films with dimensionless conductance g>>1. In this…
Fermi-liquid effects in the gapless state of marginally thin superconducting films
G. Catelani, X. S. Wu, P. W. Adams
We present low temperature tunneling density-of-states measurements in Al films in high parallel magnetic fields. The thickness range of the films, t=6-9 nm, was chosen so that the…
Density of States, Entropy, and the Superconducting Pomeranchuk Effect in Pauli-Limited Al Films
X. S. Wu, P. W. Adams, G. Catelani
We present low temperature tunneling density of states measurements of Pauli-limited Al films in which the Zeeman and orbital contributions to the critical field are comparable. We…
Orbital Response of Evanescent Cooper Pairs in Paramagnetically Limited Al Films
X. S. Wu, P. W. Adams, G. Catelani
We report a detailed study of the pairing resonance via tunneling density of states in ultra-thin superconducting Al films in supercritical magnetic fields. Particular emphasis is…
Interface Spin-Orbit Coupling in a Non-centrosymmetric Thin-Film Superconductor
X. S. Wu, P. W. Adams, Y. Yang +1
We present a detailed study of the effects of interface spin-orbit coupling (ISOC) on the critical field behavior of non-centrosymmetric (NCS), ultra-thin superconducting Be/Au bil…
Super-hard Superconductivity
D. P. Young, M. Modovan, R. Prozorov +1
We present a study of the magnetic response of Type-II superconductivity in the extreme pinning limit, where screening currents within an order of magnitude of the Ginzburg-Landau…
Low Temperature Susceptibility of the Noncentrosymmetric Superconductor CePt_3Si
D. P. Young, M. Moldovan, X. S. Wu +2
We report ac susceptibility measurements of polycrystalline CePt_3Si down to 60 mK and in applied fields up to 9 T. In zero field, a full Meissner state emerges at temperatures T/T…
Field-induced spin mixing in ultrathin superconducting Al and Be films in high parallel magnetic fields
P. W. Adams
We report spin-dependent electron density of states (DOS) studies of ultra-thin superconducting Al and Be films in high parallel magnetic fields. Superconductor-insulator-supercond…
Superconducting Properties of MgCNi3 Films
D. P. Young, M. Moldovan, D. D. Craig +2
We report the magnetotransport properties of thin polycrystalline films of the recently discovered non-oxide perovskite superconductor MgCNi3. CNi3 precursor films were deposited o…
Structure and Superconducting Properties of "BeB_2"
D. P. Young, P. W. Adams, J. Y. Chan +1
We present the crystal structure and low temperature electronic transport properties of the intermetallic commonly known as BeB_2. In contrast to the much simpler AlB_2-type struct…