381 citations · 2.1k across the 82 of their papers we have counts for
27 papers · 1 filter
Pressure induced transition from chiral charge order to time-reversal symmetry-breaking superconducting state in Nb-doped CsVSb
J. N. Graham, S. S. Islam, V. Sazgari +19
The experimental realisation of unconventional superconductivity and charge order in kagome systems \textit{A}VSb is of critical importance. We conducted a highly systemati…
Depth-dependent study of time-reversal symmetry-breaking in the kagome superconductor VSb
J. N. Graham, C. Mielke, D. Das +21
The breaking of time-reversal symmetry (TRS) in the normal state of kagome superconductors VSb stands out as a significant feature. Yet the extent to which this effe…
Coexistence of Superconductivity and Antiferromagnetism in Topological Magnet MnBi2Te4 Films
Wei Yuan, Zi-Jie Yan, Hemian Yi +15
The interface of two materials can harbor unexpected emergent phenomena. One example is interface-induced superconductivity. In this work, we employ molecular beam epitaxy to grow…
Evidence for current suppression in superconductor-superconductor bilayers
Md Asaduzzaman, Ryan M. L. McFadden, Anne-Marie Valente-Feliciano +5
Superconducting radio frequency (SRF) cavities, which are critical components in many particle accelerators, need to be operated in the Meissner state to avoid strong dissipation f…
Depth-resolved measurements of the Meissner screening profile in surface-treated Nb
Ryan M. L. McFadden, Md Asaduzzaman, Thomas Prokscha +3
We report depth-resolved measurements of the Meissner screening profile in several surface-treated Nb samples using low-energy muon spin rotation (LE-SR). In these experiments,…
Intrinsic magnetism in superconducting infinite-layer nickelates
Jennifer Fowlie, Marios Hadjimichael, Maria M. Martins +10
The discovery of superconductivity in NdSrNiO [1] introduced a new family of layered nickelate superconductors that has now been extended to include a range of…
Unconventional Meissner screening induced by chiral molecules in a conventional superconductor
Hen Alpern, Morten Amundsen, Roman Hartmann +12
The coupling of a superconductor to a different material often results in a system with unconventional superconducting properties. A conventional superconductor is a perfect diamag…
Sulfur-induced magnetism in FeSeS thin films on LaAlO revealed by muon spin rotation/relaxation
F. Nabeshima, Y. Kawai, N. Shikama +8
Muon spin rotation/relaxation measurements were performed to investigate magnetic properties of FeSeS thin films on LaAlO. A drastic decrease of the initial asymmet…
Proximity-Induced Odd-Frequency Superconductivity in a Topological Insulator
Jonas A. Krieger, Anna Pertsova, Sean R. Giblin +7
At an interface between a topological insulator (TI) and a conventional superconductor (SC), superconductivity has been predicted to change dramatically and exhibit novel correlati…
The nature of the phase transition in the cuprates as revealed by a magnetic field free stiffness meter
Itzik Kapon, Zaher Salman, Thomas Prokscha +2
A new method to measure the superconducting stiffness tensor , without subjecting the sample to magnetic field, is applied to LaSrCuO (LSCO).…
Experimental study of the magnetic field distribution and shape of domains near the surface of type-I superconductors in the intermediate state
V. Kozhevnikov, A. Suter, T. Prokscha +1
The importance of accounting for the inhomogeneity of the magnetic field distribution and roundness of domain walls near the surface of type-I superconductors in the intermediate s…
Superconducting properties of Cu intercalated BiSe studied by Muon Spin Spectroscopy
Jonas A. Krieger, Amit Kanigel, Amit Riback +7
We present muon spin rotation measurements on superconducting Cu intercalated BiSe, which was suggested as a realization of a topological superconductor. We observe a clear…
A low energy muon spin rotation and point contact tunneling study of niobium films prepared for superconducting cavities
T. Junginger, S. Calatroni, A. Sublet +5
Point contact tunneling (PCT) and low energy muon spin rotation (LE-muSR) are used to probe, on the same samples, the surface superconducting properties of micrometer thick niobium…
Intrinsic Paramagnetic Meissner Effect due to s-wave Odd-Frequency Superconductivity
Angelo Di Bernardo, Zaher Salman, Xiaolei Wang +11
In 1933, Meissner and Ochsenfeld reported the expulsion of magnetic flux, the diamagnetic Meissner effect, from the interior of superconducting lead. This discovery was crucial in…
Direct evidence of superconductivity and determination of the superfluid density in buried ultrathin FeSe grown on SrTiO
P. K. Biswas, Z. Salman, Q. Song +6
Bulk FeSe is superconducting with a critical temperature 8 K and SrTiO is insulating in nature, yet high-temperature superconductivity has been reported at the in…
Remotely induced magnetism in a normal metal using a superconducting spin-valve
M. G. Flokstra, N. Satchell, J. Kim +13
Superconducting spintronics has emerged in the last decade as a promising new field that seeks to open a new dimension for nanoelectronics by utilizing the internal spin structure…
The Phase Diagram in Electron-Doped LCCO
H. Saadaoui, Z. Salman, H. Luetkens +8
Superconductors are a striking example of a quantum phenomenon in which electrons move coherently over macroscopic distances without scattering. The high-temperature superconductin…
Modifications of the Meissner screening profile in YBaCuO thin films by gold nanoparticles
E. Stilp, A. Suter, T. Prokscha +6
Adding Au nanoparticles to YBaCuO thin films leads to an increase of the superconducting transition temperature and the critical current density $j_{\rm…
Absence of broken time reversal symmetry beneath the surface of YBCO films
H. Saadaoui, Z. Salman, T. Prokscha +4
We report the results of a search for spontaneous magnetism due to a time reversal symmetry breaking phase in the superconducting state of (110)-oriented YBCO films, expected near…
Size and mass of Cooper pairs determined by low-energy SR and PNR
V. Kozhevnikov, A. Suter, H. Fritzsche +9
The Pippard coherence length (the size of a Cooper pair) in an extreme type-I superconductor was determined directly through high-resolution measurement of the nonlocal elect…
The Meissner effect in a strongly underdoped cuprate above its critical temperature
Elvezio Morenzoni, Bastian M. Wojek, Andreas Suter +3
The Meissner effect and the associated perfect "bulk" diamagnetism together with zero resistance and gap opening are characteristic features of the superconducting state. In the ps…
Nanoscale layering of antiferromagnetic and superconducting phases in Rb2Fe4Se5
A. Charnukha, A. Cvitkovic, T. Prokscha +10
We studied phase separation in a single-crystalline antiferromagnetic superconductor Rb2Fe4Se5 (RFS) using a combination of scattering-type scanning near-field optical microscopy (…
Superconductivity in La(1.56)Sr(0.44)CuO(4)/La(2)CuO(4) superlattices
A. Suter, E. Morenzoni, T. Prokscha +5
Superlattices of the repeated structure La(1.56)Sr(0.44)CuO(4)/La(2)CuO(4) (LSCO-LCO), where none of the constituents is superconducting, show a superconducting transition of T_c \…
The interaction between the magnetic and superconducting order parameters in a La1.94Sr0.06CuO4 wire
Meni Shay, Amit Keren, Gad Koren +9
We investigate the coupling between the magnetic and superconducting order parameters in an 8 m long meander line ("wire") made of a La1.94Sr0.06CuO4 film with a cross section of 0…