Granular Superconductivity in La2PrNi2O7-δ Thin FilmsSuperconductivity realized in bilayer nickelate thin films enables direct spectroscopic and transport studies at ambient pressure. However, a persistent two-step resistive transition remains a major…Ziao Han, Lifen Xiang, X. J. Zhou et al.·Apr 9, 2026SaveLearn
Perpendicular electric field induced competing s- and d-wave pairings in La3Ni2O7 thin filmInspired by the possibility that superconducting properties may be altered by applying a perpendicular electric field in the Ruddlesden-Popper (RP) bilayer nickelate La3Ni2O7 thin film, we…Yongping Wei, Xun Liu, Fan Yang et al.·Apr 8, 2026SaveLearn
Quantum Tunnelling and Room-Temperature Superconductivity of Hydride from Size EffectsSuperconductivity of a micron-sized hydride sample measured between metal probes under extreme pressure could be considered as a macroscopic quantum tunnelling phenomenon through metal-hydride-metal.…Xiaozhi Hu·Apr 8, 2026SaveLearn
Influence of the Ortho-II superstructure in the YBa2Cu3O7-δ Orthorhombic phase after annealingBased on experimental results, this work proposes the influence of the Oxygen order present in the Ortho-II superstructure of YBa2Cu3O7-δ (YBCO), on the final ordering of Oxygens in its…Roberto F. Luccas, Lorenzo Gallo, Cesar E. Sobrero et al.·Apr 8, 2026SaveLearn
Nonlinear phononics in LaFeAsO: Optical control of the crystal structure toward possible enhancement of superconductivityNonlinear phononics provides a route to control crystal structures through light-induced phonon excitation. In this study, we apply nonlinear phononics to an iron-based superconductor, LaFeAsO, with…Shu Kamiyama, Tatsuya Kaneko, Kazuhiko Kuroki et al.·Apr 8, 2026SaveLearn
Directional Andreev-Reflection Signatures of Inter-Orbital Pairing in Sr2RuO4Unconventional superconductivity in quasi--two-dimensional systems is commonly identified through the emergence of Andreev bound states (ABS) at in-plane edges, while surfaces perpendicular to…G. Csire, Y. Fukaya, M. Cuoco et al.·Apr 8, 2026SaveLearn
Numerically Exact Study of Flat-Band SuperconductivityCurrent theories of high-temperature superconductivity in flat-band systems predict a linear dependence of the transition temperature on the attractive interaction, Tc(U) = c|U|. However, the…I. S. Tupitsyn, B. Currie, B. V. Svistunov et al.·Apr 7, 2026SaveLearn
Band-basis decomposition of superfluid weight in magic-angle twisted bilayer graphene: Quantifying geometric and conventional contributionsWe decompose the superfluid weight Ds of magic-angle twisted bilayer graphene (MATBG) into conventional (band-velocity) and geometric (interband-coherence) contributions using a band-basis current…Jian Zhou·Apr 7, 2026SaveLearn
Tunable superconductivity and spin density wave in La3Ni2O7/LaAlO3 thin filmsRecently, La3Ni2O7 thin film on the LaAlO3 substrate is shown to be superconducting, while the bulk La3Ni2O7 with the same in-plane lattice constant under pressure does not superconduct. This…Yu-Han Cao, Kai-Yue Jiang, Hong-Yan Lu et al.·Apr 7, 2026SaveLearn
Visualizing the interplay of dual electronic nematicities in kagome superconductorsKagome superconductor AV3Sb5 (A stands for K, Rb, and Cs) hosts a wealth of intertwined electronic orders driven by geometric frustration and electron correlations. Among them, the breaking of…Yunmei Zhang, Jun Zhan, Ping Wu et al.·Apr 7, 2026SaveLearn
Signature of Unconventional Superconductivity in the High Temperature Normal State ResistivityUnconventional superconductivity remains one of the central unsolved problems in quantum materials, and revealing its connection to the normal state is widely believed to be key to uncovering the…Yuchen Wu, Yiwen Liu, Wanyue Lin et al.·Apr 6, 2026SaveLearn
Topological surface states revealed by the Zeeman effect in superconducting UTe2Intrinsic topological superconductors with protected boundary modes obeying non-Abelian statistics constitute a vanishingly small class of quantum materials. A defining spectroscopic signature of…Zhen Zhu, Hans Christiansen, Yudi Huang et al.·Apr 6, 2026SaveLearn
Two-Channel Allen-Dynes Framework for Superconducting Critical Temperatures: Blind Predictions Across Five Orders of Magnitude and a Quantum-Metric No-Go ResultWe present a two-channel extension of the Allen-Dynes framework that unifies phonon-mediated and spin-fluctuation-mediated pairing channels for predicting superconducting critical temperatures.…Jian Zhou·Apr 6, 2026SaveLearn
Discovery of Quasi One Dimensional Superconductivity in PtPb3BiQuasi one dimensional materials provide a compelling platform where reduced dimensionality stabilizes intertwined topological and superconducting phases. Here we report superconductivity in a new Bi…Shashank Srivastava, Yash Vardhan, Anshu Kataria et al.·Apr 6, 2026SaveLearn
Collective spin excitations in trilayer nickelate La4Ni3O10Ruddlesden-Popper (RP) nickelates have recently emerged as a new family of high-temperature superconductors. In bilayer RP nickelates, magnetic excitations with large exchange couplings have been…Ying Chan, Yuehong Li, Yujie Yan et al.·Apr 6, 2026SaveLearn
Multimodal Terahertz Spectroscopy of the Pairing Symmetry and Normal-State Pseudogap in (La,Pr)3Ni2O7 FilmsThe discovery of ambient-pressure superconductivity in compressively strained (La,Pr)3Ni2O7 thin films has intensified efforts to identify the pairing mechanism. However, the symmetry of the…Shuxiang Xu, Guangdi Zhou, Hao Wang et al.·Apr 6, 2026SaveLearn
Disentangling electronic and phononic contributions to high-temperature superconductivity in X2MH6 hydridesUnderstanding the factors that control superconductivity is essential for discovering new superconducting materials using high-throughput elemental substitution. Focusing on the recently predicted…Feng Zheng, Shiya Chen, Zhen Zhang et al.·Apr 5, 2026SaveLearn
A Top-Loading Point-Contact Spectroscopy Probe with In-Situ Sample Exchange for Dilution RefrigeratorsWe report the design and implementation of a point-contact spectroscopy (PCS) system integrated with a dilution refrigerator, enabling measurements down to 30 mK. The setup employs a needle-anvil…Ghulam Mohmad, Atanu Mishra, Goutam Sheet·Apr 4, 2026SaveLearn
Genuine pair density wave order on the kagome latticeThe pair density wave (PDW) is a novel superconducting state with non-zero center-of-mass momentum Cooper pairing in the absence of external magnetic fields. Its realization in microscopic models as…Han-Yang Liu, Da Wang, Ziqiang Wang et al.·Apr 4, 2026SaveLearn
Enhanced Kadowaki-Woods Ratio and Weak-Coupling Superconductivity in Noncentrosymmetric YPt2Si2 Single CrystalsSuperconductivity in noncentrosymmetric RPt2Si2 (R = rare earth) compounds exhibit a rich playground to explore the competition between different ground states, such as unconventional…Gustavo Gomes Vasques, Shyam Sundar, Deisy Aristizábal-Giraldo et al.·Apr 3, 2026SaveLearn
High-energy electronic excitations in La3Ni2O7 by time-resolved optical spectroscopyRecently, high-temperature superconductivity has been established in bilayer La3Ni2O7, which exhibits a density-wave (DW) transition at ~ 150 K under ambient pressure. The DW order is believed to be…Junzhi Zhu, Mengwu Huo, Yubin Wang et al.·Apr 3, 2026SaveLearn
Reducing Bias and Optimising Execution Time in Iterative Solutions of the Time Dependent Ginzburg Landau EquationsThe importance of simulating pinning arrays in superconducting samples for the increase of critical currents has been increasing in the last few years. Since the Time Dependent Ginzburg Landau (TDGL)…E. R. Di Lascio·Apr 3, 2026SaveLearn
Jahn-Teller distortion on strained La3Ni2O7 thin filmsWe present a systematic study of the electronic structure of strained La3Ni2O7 thin films. We show that biaxial compressive strain mainly elongates the outer apical Ni-O bond while leaving…Yuxin Wang, Zhan Wang, Fu-Chun Zhang et al.·Apr 2, 2026SaveLearn
Chiral skyrmionic superconductivity from doping a Chern FerromagnetWe show that chiral superconductivity can be stabilized by hole doping a Chern ferromagnet. Performing exact diagonalization and density-matrix-renormalization-group calculations on the repulsive…Miguel Gonçalves, Kun Yang, Shi-Zeng Lin·Apr 2, 2026SaveLearn
Dissecting superconductivity in the Ruddlesden-Popper nickelates: The role of electron correlation and interlayer magnetic exchangeThe discovery of superconductivity in the Ruddlesden-Popper (RP) nickelates has opened a new chapter in the search for high superconducting transition temperatures (Tc) materials. A…Xiaoyang Chen, Zezhong Li, Mei Xie et al.·Apr 2, 2026SaveLearn