316 citations · 4.3k across the 162 of their papers we have counts for
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Multiband superconductivity in high pressure sulfur hydrides
G. A. Ummarino, A. Bianconi
The temperature dependence of the two superconducting gaps in pressurised H_3S at 155 GPa with a critical temperature of 203 K has been determined by data analysis of the experimen…
Scale free distribution of oxygen interstitials wires in optimum doped HgBaCuO
Gaetano Campi, Maria Vittoria Mazziotti, Thomas Jarlborg +1
Novel nanoscale probes are opening new venues for understanding unconventional electronic and magnetic functionalities driven by multiscale lattice complexity in doped high tempera…
Spin-orbit coupling controlling the superconducting dome of artificial superlattices of quantum wells
Maria Vittoria Mazziotti, Antonio Bianconi, Roberto Raimondi +2
While it is known that a resonant amplification of Tc in two-gap superconductors can be driven by using the Fano-Feshbach resonance tuning the chemical potential near a Lifshitz tr…
Resonant multigap superconductivity at room temperature near a Lifshitz topological transition in sulfur hydrides
Maria Vittoria Mazziotti, Roberto Raimondi, Antonio Valletta +2
The maximum critical temperature for superconductivity in pressurized hydrides appears at the top of superconducting domes in Tc versus pressure curves at a particular pressure, wh…
Room temperature superconductivity dome at a Fano resonance in superlattices of wires
M. V. Mazziotti, T. Jarlborg, A. Bianconi +1
Recently room temperature superconductivity with Tc=15 degrees Celsius has been discovered in a pressurized complex ternary hydride, CSHx, which is a carbon doped H3S alloy. The na…
Potassium-Doped Para-Terphenyl: Structure, Electrical Transport Properties and Possible Signatures of a Superconducting Transition
N. Pinto, C. Di Nicola, A. Trapananti +7
Preliminary evidence for the occurrence of high-Tc superconductivity in alkali-doped organic materials, such as potassium-doped p-terphenyl (KPT), were recently obtained by magneti…
Multigaps superconductivity at unconventional Lifshitz transition in a 3D Rashba heterostructure at atomic limit
Vittoria Mazziotti, Antonio Valletta, Roberto Raimondi +1
It is well known that the critical temperature of multi-gap superconducting 3D heterostructures at atomic limit (HAL) made of a superlattice of atomic layers with an electron spect…
Superconductivity in Quantum Complex Matter: the Superstripes Landscape
Antonio Bianconi
While in XX century the theory of superconductivity has focused on a homogeneous metal with a rigid lattice which can be reduced to a single effective conduction band in the dirty…
Multi-Band Superconductivity and the Steep Band -- Flat Band Scenario
Annette Bussmann-Holder, Hugo Keller, Arndt Simon +1
The basic features of multi-band superconductivity and its implications are derived. In particular, it is shown that enhancements of the superconducting transition temperature take…
Fermi-Bose mixtures and BCS-BEC crossover in high-Tc superconductors
Maxim Yu Kagan, Antonio Bianconi
In this review article we consider theoretically and give experimental support to the models of the Fermi-Bose mixtures and the BCS-BEC crossover compared with the strong-coupling…
Evolution of Complexity in Out-of-Equilibrium Systems by Time-Resolved or Space-Resolved Synchrotron Radiation Techniques
Gaetano Campi, Antonio Bianconi
Out-of-equilibrium phenomena are attracting high interest in physics, materials science, chemistry and life sciences. In this state, the study of structural fluctuations at differe…
Is there any hidden symmetry in the stripe structure of perovskite high temperature superconductors?
Vladimir A. Gavrichkov, Yury Shanko, Natalia G. Zamkova +1
Local and fast structural probes using synchrotron radiation have shown nanoscale striped puddles and nanoscale phase separation in doped perovskites.It is known that the striped p…
Multiple electronic components and Lifshitz transitions by oxygen wires formation in layered cuprates and nickelates
Thomas Jarlborg, Antonio Bianconi
There is a growing compelling experimental evidence that a quantum complex matter scenario made of multiple electronic components, and competing quantum phases is needed to grab th…
Lifshitz transitions in multi-band Hubbard models for topological superconductivity in complex quantum matter
Antonio Bianconi
How the macroscopic quantum coherence can resist to the decoherence attacks of high temperature is a major challenge for the science of the 21st century. Superstripes 2017 conferen…
Local noncentrosymmetric structure of Bi2Sr2CaCu2O8+y by X-ray magnetic circular dichroism at Cu K-edge XANES
Andrey A. Ivanov, Valentin G. Ivanov, Alexey P. Menushenkov +7
The two-dimensional Bi2Sr2CaCu2O8+y (Bi2212), the most studied prototype cuprate superconductor, is a lamellar system made of a stack of two-dimensional corrugated CuO2 bilayers se…
Electronic structure of HgBaCuO with self-organized interstitial oxygen wires in the Hg spacer planes
Thomas Jarlborg, Antonio Bianconi
While recent experiments have found that at optimum doping for the highest critical temperature in HgBaCuO (Hg1201) the oxygen interstitials (O-i) are not homogeneously…
Anisotropic thermal expansion of p-Terphenyl: a self-assembled supramolecular array of poly-p-phenyl nanoribbons
Luisa Barba, Giuseppe Chita, Gaetano Campi +4
The recent discovery of superconductivity in a metallic aromatic hydrocarbon, alkali-doped p-Terphenyl, has attracted considerable interest. The critical temperature Tc ranges from…
X-rays writing/reading of Charge Density Waves in the CuO2 plane of a simple cuprate superconductor
Gaetano Campi, Alessandro Ricci, Nicola Poccia +2
It is now well established that superconductivity in cuprates competes with charge modulations giving electronic phase separation at a nanoscale. More specifically, superconducting…
Possible Fano resonance for high Tc multi-gap superconductivity in p-Terphenyl doped by K at the Lifshitz transition
Maria Vittoria Mazziotti, Antonio Valletta, Gaetano Campi +3
Recent experiments have reported the emergence of high temperature superconductivity with critical temperature between 43K and 123K in a potassium doped aromatic hydrocarbon…
The road map toward room temperature superconductivity: manipulating different pairing channels in systems composed of multiple electronic components
Annette Bussmann-Holder, Jurgen Kohler, Arndt Simon +3
While it is known that the amplification of the superconducting critical temperature Tc is possible in a system of multiple electronic components in comparison with a single compon…
Dislocations as a boundary between charge density wave and oxygen rich phases in a cuprate high temperature superconductor
Nicola Poccia, Alessandro Ricci, Gaetano Campi +1
Multiple functional ionic and electronic orders are observed in high temperature superconducting cuprates. The charge density wave order is one of them and it is spatially localize…
Lattice, Charge and Spin phase inhomogeneity in complex striped quantum matter
Antonio Bianconi, Alessandro Ricci
The Superstripes 2016 conference, held on June 23-29, 2016 in the island of Ischia in Italy celebrated the 20th anniversary of this series of conferences. For 20 years structural,…
Fe-As bond fluctuations in a double-well potential in LaFeAsO
Valentin G. Ivanov, Andrey A. Ivanov, Alexey P. Menushenkov +2
While for a long time iron based superconductors have been investigated looking at the average crystalline structure there is now growing interest on the divergence of local from t…
Temperature dependent As K-edge EXAFS studies of LaFe1-xCoxAsO (x = 0.0 and 0.11) single crystals
Boby Joseph, Alessandro Ricci, Nicola Poccia +5
We report the experimental results of temperature dependent polarized As K-edge extended x-ray absorption fine structure (EXAFS) of LaFe1-xCoxAsO (x=0.0 and 0.11) single-crystals.…