940 citations · 23.6k across the 424 of their papers we have counts for
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Imaginary phonon modes and phonon-mediated superconductivity in Y2C3
Niraj K. Nepal, Paul C. Canfield, Lin-Lin Wang
For YC with a superconducting critical temperature (T) 18 K, zone-center imaginary optical phonon modes have been found for the high-symmetry - structure…
Tuning superconductivity and spin-vortex fluctuations in CaKFeAs through in-plane antisymmetric strains
Adrian Valadkhani, Belén Zúñiga Céspedes, Salony Mandloi +6
Lattice strains of appropriate symmetry have served as an excellent tool to explore the interaction of superconductivity in the iron-based superconductors with nematic and stripe s…
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…
Interrelationships between nematicity, antiferromagnetic spin fluctuations and superconductivity: Role of hotspots in FeSeS revealed by high pressure Se NMR study
K. Rana, D. V. Ambika, S. L. Bud'ko +3
The sulfur-substituted FeSe, FeSeS, is one of the unique systems that provides an independent tunability of nematicity, antiferromagnetism and superconductivity unde…
Superconductivity and magnetic and transport properties of single-crystalline CaK(FeCr)As
M. Xu, J. Schmidt, M. A. Tanatar +3
Members of the CaK(FeCr)As series have been synthesized by high-temperature solution growth in single crystalline form and characterized by X-ray diffract…
Pressure-temperature phase diagram of CaK(FeMn)As for =0.024
Li Xiang, Mingyu Xu, Sergey L. Bud'ko +1
Resistance measurements on single crystals of CaK(FeMn)As ( = 0.024) were performed under hydrostatic pressure up to 5.15 GPa. The pressure dependence of the…
X-ray charge-density studies a suitable probe for superconductivity?
Jan Langmann, Hasan Kepenci, Georg Eickerling +5
Case studies of -TiSe and YBaCuO have demonstrated that x-ray diffraction (XRD) studies can be used to trace even subtle structural phase transitions which…
Superconducting density of states and bandstructure at the surface of the candidate topological superconductor Au2Pb
Francisco Martín-Vega, Edwin Herrera, Beilun Wu +8
The electronic bandstructure of AuPb has a Dirac cone which gaps when undergoing a structural transition into a low temperature superconducting phase. This suggests that the su…
Superconductivity and phase diagrams of CaK(FeMn)As single crystals
M. Xu, J. Schmidt, E. Gati +5
Members of the CaK(FeMn)As series have been synthesized in single crystalline form and characterized by elemental analysis, thermodynamic and transport me…
Band structure, superconductivity and polytypism in AuSn
Edwin Herrera, Beilun Wu, Evan O'Leary +13
The orthorhombic compound AuSn4 is compositionally similar to the Dirac node arc semimetal PtSn. AuSn is, contrary to PtSn, superconducting with a critical temperature…
Ubiquitous enhancement of nematic fluctuations across the phase diagram of iron based superconductors probed by the Nernst effect
Christoph Wuttke, Federico Caglieris, Steffen Sykora +11
The role of nematic fluctuations for unconventional superconductivity has been subject of intense discussions for many years. In iron-based superconductors, the most established pr…
Evolution of nematic fluctuations in CaK(FeNi)As with spin-vortex crystal magnetic order
Anna E. Böhmer, Fei Chen, William R. Meier +11
The CaK(FeNi)As superconductors resemble the archetypal 122-type iron-based materials but have a crystal structure with distinctly lower symmetry. This fa…
Anisotropic superconductivity and Fermi surface reconstruction in the spin-vortex antiferromagnetic superconductor CaK(FeNi)As
José Benito Llorens, Edwin Herrera, Víctor Barrena +9
High critical temperature superconductivity often occurs in systems where an antiferromagnetic order is brought near by slightly modifying pressure or doping. CaKFeAs$_4…
Magnetism and its coexistence with superconductivity in CaK(FeNi)As: muon spin rotation/relaxation studies
Rustem Khasanov, Gediminas Simutis, Yurii G. Pashkevich +5
The magnetic response of CaK(FeNi)As was investigated by means of the muon-spin rotation/relaxation. The long-range commensurate magnetic order sets in…
Hydrostatic and uniaxial pressure tuning of iron-based superconductors: Insights into superconductivity, magnetism, nematicity and collapsed tetragonal transitions
Elena Gati, Li Xiang, Sergey L. Bud'ko +1
Iron-based superconductors are well-known for their intriguing phase diagrams, which manifest a complex interplay of electronic, magnetic and structural degrees of freedom. Among t…
Multi-Atom Quasiparticle Scattering Interference for Superconductor Energy-Gap Symmetry Determination
Rahul Sharma, Andreas Kreisel, Miguel Antonio Sulangi +10
Complete theoretical understanding of the most complex superconductors requires a detailed knowledge of the symmetry of the superconducting energy-gap , for all mom…
Competing pairing interactions responsible for the large upper critical field in a stoichiometric iron-based superconductor, CaKFeAs
Matthew Bristow, William Knafo, Pascal Reiss +4
The upper critical field of multiband superconductors is an important quantity that can reveal the details about the nature of the superconducting pairing. Here we experimentally m…
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…
Measurements of elastoresistance under pressure by combining in-situ tunable quasi-uniaxial stress with hydrostatic pressure
Elena Gati, Li Xiang, Sergey L. Bud'ko +1
Uniaxial stress, as well as hydrostatic pressure are often used to tune material properties in condensed matter physics. Here, we present a setup which allows for the study of the…
Role of Fermi surface for the pressure-tuned nematic transition in the BaFeAs family
Elena Gati, Li Xiang, Sergey L. Bud'ko +1
The tetragonal-to-orthorhombic phase transition at , which precedes the antiferromagnetic phase transition at in many iron-based superconductors, is considered as one of…
Bulk superconductivity and role of fluctuations in the iron-based superconductor FeSe at high pressures
Elena Gati, Anna E. Böhmer, Sergey L. Bud'ko +1
The iron-based superconductor FeSe offers a unique possibility to study the interplay of superconductivity with purely nematic as well magnetic-nematic order by pressure (p) tuning…
Quantum phase transition inside the superconducting dome of Ba(FeCo)As probed by optical magneto-sensing using NV-centers in diamond
K. R. Joshi, N. M. Nusran, M. A. Tanatar +6
While unusual normal state properties, such as non-Fermi liquid behavior of the resistivity, are commonly associated with strong quantum fluctuations, evidence for its presence ins…
Nematicity in the superconducting mixed state of strain detwinned underdoped
J. Schmidt, V. Bekeris, G. S. Lozano +6
Evidence of nematic effects in the mixed superconducting phase of slightly underdoped is reported. We have found strong in-plan…
Pressure-temperature phase diagram of EuRbFeAs superconductor
Li Xiang, Sergey L. Bud'ko, Jin-Ke Bao +3
The pressure dependencies of the magnetic and superconducting transitions, as well as that of the superconducting upper critical field are reported for single crystalline EuRbFe$_4…