72 citations · 463 across the 23 of their papers we have counts for
22 papers · 1 filter
Gate-controlled supercurrent effect in dry-etched Dayem bridges of non-centrosymmetric niobium rhenium
Jennifer Koch, Carla Cirillo, Sebastiano Battisti +10
The application of a gate voltage to control the superconducting current flowing through a nanoscale superconducting constriction, named as gate-controlled supercurrent (GCS), has…
Extraordinary physical properties of superconducting YBaSrCuOSe in a multiphase ceramic material
V. Grinenko, A. Dudka, S. Nozaki +10
We report on a novel material obtained by modifying pristine YBCO superconductor in solid phase synthesis via simultaneous partial substitution of Ba by Sr and O by Se. Simultaneou…
Some remarks on possible superconductivity of composition PbCuPO
P. Abramian, A. Kuzanyan, V. Nikoghosyan +2
A material called LK-99, a modified-lead apatite crystal structure with the composition PbCu(PO)O () has been reported to be an above-room-temperatu…
Superconducting Polycrystalline Rhenium Films Deposited at Room Temperature
Serafim Teknowijoyo, Armen Gulian
We report on magnetron deposition of thin superconducting rhenium films on sapphire substrates. During the deposition, substrates were held at ambient temperature. Critical tempera…
Superconductivity in amorphous and crystalline Re-Lu films
Serafim Teknowijoyo, Armen Gulian
We report on magnetron deposition and superconducting properties of a novel superconducting material: rhenium-lutetium films on sapphire substrates. Different compositions of Re$_{…
Unconventional nodal superconductivity in miassite RhS
Hyunsoo Kim, Makariy A. Tanatar, Marcin Kończykowski +10
Unconventional superconductivity has long been believed to arise from a lab-grown correlated electronic system. Here we report compelling evidence of unconventional nodal supercond…
Quadristor: a novel device for superconducting electronics
Sara Chahid, Serafim Teknowijoyo, Armen Gulian
We designed and experimentally demonstrated a four-terminal superconducting device which can function as a non-latching (reversible) superconducting switch from the diode regime to…
Novel results obtained by modeling of dynamic processes in superconductors: phase-slip centers as cooling engines
Iris Mowgood, Serafim Teknowijoyo, Sara Chahid +1
Based on a time-dependent Ginzburg-Landau system of equations and finite element modeling, we present novel results related with the physics of phase-slippage in superconducting wi…
High-frequency diode effect in superconducting NbSn micro-bridges
Sara Chahid, Serafim Teknowijoyo, Iris Mowgood +1
The superconducting diode effect has been recently reported in a variety of systems and different symmetry breaking mechanisms have been examined. However, the frequency range of t…
Possible unconventional order parameter in single crystals of SrPtP superconductor
Kyuil Cho, S. Teknowijoyo, S. Ghimire +4
Anisotropic properties of single crystals of SrPtP were studied using London penetration depth and electrical resistivity measurements. The upper critical field, ,…
Intermediate scattering potential strength in electron-irradiated from London penetration depth measurements
Kyuil Cho, M. Konczykowski, S. Teknowijoyo +4
Temperature-dependent London penetration depth, , of a high quality optimally-doped single crystal was measured using tunnel-diode…
Low-temperature high-frequency dynamic magnetic susceptibility of classical spin-ice DyTiO
S. Teknowijoyo, K. Cho, E. I. Timmons +4
Radio-frequency (14.6 MHz) AC magnetic susceptibility, , of \dytio\ was measured using a self-oscillating tunnel-diode resonator. Measurements were made with the e…
Terahertz spectroscopy evidence of possible 40 K superconductivity in rhenium-doped strontium ruthenates
Yurii Aleshchenko, Boris Gorshunov, Elena Zhukova +7
Strontium ruthenates have many similarities with copper oxide superconductors and are of particular interest for the investigation of the mechanisms and conditions which lead to hi…
Electron irradiation effects on superconductivity in PdTe: an application of a generalized Anderson theorem
E. I. Timmons, S. Teknowijoyo, M. Kończykowski +12
Low temperature ( 20~K) electron irradiation with 2.5 MeV relativistic electrons was used to study the effect of controlled non-magnetic disorder on the normal and supercondu…
Competition between orthorhombic and re-entrant tetragonal phases in underdoped BaKFeAs probed by the response to controlled disorder
E. I. Timmons, M. A. Tanatar, K. Willa +8
Low-temperature (22~K) irradiation with 2.5~MeV electrons was used to study the competition between stripe and tetragonal antiferromagnetic phases which exi…
Nodeless superconductivity in type-II Dirac semimetal PdTe2: low-temperature London penetration depth and symmetry analysis
Serafim Teknowijoyo, Na Hyun Jo, Mathias S. Scheurer +6
Superconducting gap structure was probed in type-II Dirac semimetal PdTe by measuring the London penetration depth using tunnel diode resonator technique. At low temperatures,…
Using electron irradiation to probe iron - based superconductors
Kyuil Cho, M. Konczykowski, S. Teknowijoyo +2
High energy electron irradiation is an efficient way to create vacancy-interstitial Frenkel pairs in crystal lattice, thereby inducing controlled non-magnetic point - like scatteri…
Dependence of the absolute value of the penetration depth in on doping
Avior Almoalem, Alon Yagil, Kyuil Cho +6
We report magnetic force microscopy (MFM) measurements on the iron-based superconductor . By measuring locally the Meissner repulsion with the magneti…
Nodeless multiband superconductivity in stoichiometric single crystalline CaKFeAs
Kyuil Cho, A. Fente, S. Teknowijoyo +9
Measurements of the London penetration depth and tunneling conductance in single crystals of the recently discovered stoicheometric, iron - based superconductor, CaKFeAs (C…
Enhancement of Tc by point-like disorder and anisotropic gap in FeSe
S. Teknowijoyo, K. Cho, M. A. Tanatar +8
A highly anisotropic superconducting gap is found in single crystals of FeSe by studying the London penetration depth, , measured down to 50 mK in samples before and after 2.5…
Energy Gap Evolution Across the Superconductivity Dome in Single Crystals of (BaK)FeAs
Kyuil Cho, M. Konczykowski, S. Teknowijoyo +8
The mechanism of unconventional superconductivity in iron-based superconductors (IBSs) is one of the most intriguing questions in current materials research. Among non-oxide IBSs,…
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…