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20112026
most citedValley polarization in MoS2 monolayers by optical pumping

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146 papers · 1 filter

cond-mat.supr-con2026

Topological pair density waves in kagome superconductors

Jia-Xin Yin, Xianxin Wu, Mark H. Fischer +3

The pair density wave (PDW) is an unconventional superconducting state exhibiting periodic pairing modulations due to pairing with finite momentum Q. In two dimensions, multiple Q…

cond-mat.supr-con2026

Dual Enhancement of Superconductivity in FeSe/SrTiO3 via Orbital and Correlation Synergy

Guihao Jia, Jingming Yan, Yucong Peng +5

In iron-based superconductors, the dz2 orbital band typically resides far below the Fermi level and has not been considered to participate in Cooper pairing. Here, using monolayer…

cond-mat.supr-con2026

Supercurrent effect in a charge density wave intertwined superconductor

Zhen Zhu, Wei Cheng, Dang Liu +15

The energy-momentum (E-k) dispersion of quasiparticles constitutes a fundamental concept in condensed matter systems. The ability to modify the E-k dispersion, exemplified by super…

cond-mat.supr-con2026★ 2 cited

Electronic inhomogeneity in Cs- and Sb-terminated surfaces of CsVSb probed by scanning photoemission spectromicroscopy

T. Mizokawa, G. Tomassucci, M. Hattori +6

Electronic structures of Cs- and Sb-terminated surfaces of a kagome superconductor CsVSb have been elucidated by means of scanning photoemission microscopy (SPEM). The obse…

cond-mat.supr-con2026

Josephson spectroscopy study of kagome superconductors toward the deep point-contact regime

Hailang Qin, Xiao-Yu Yan, Hanbin Deng +4

Josephson scanning tunneling microscopy (JSTM) has emerged as an important technique for probing the superconducting order parameter at the atomic scale. However, the Josephson cur…

cond-mat.supr-con2026

Magnetoresistance Oscillations in Few-Layer NbSe2 in Superconducting Fluctuation Regime

Xiaolong Yin, Congzhe Cao, Yibin Feng +5

Quantum interference phenomena in superconductors, such as Josephson interference and Little-Parks oscillations, serve as powerful probes of phase coherence, symmetry breaking and…

cond-mat.supr-con2025★ 3 cited

Lattice-decoupled rotatable stripe-like charge order within the strange metal phase of 2M-WS2

Kebin Xiao, Yunkai Guo, Daran Fu +11

In quantum materials, charge orders typically stabilize in specific crystallographic orientations, though their formation mechanisms may vary. Here, using low-temperature scanning…

cond-mat.supr-con2025★ 10 cited

Superconductivity onset above 60 K in ambient-pressure nickelate films

Guangdi Zhou, Heng Wang, Haoliang Huang +7

Ambient-pressure superconductivity in nickelates has been capped at an onset transition temperature () of ~50 K, a value that remains lower than the cuprate (~133 K)…

cond-mat.supr-con2025

Giant critical current peak induced by pressure in kagome superconductor RbVSb

Lingfei Wang, Wenyan Wang, Tsz Fung Poon +11

Superconductivity can coexist or compete with other orders such as magnetism or density waves. Optimizing superconductivity requires identifying competing orders that may disrupt C…

cond-mat.supr-con2025★ 3 cited

Switchable chiral 2x2 pair density wave in pure CsV3Sb5

Wei Song, Xiao-Yu Yan, Xin Yu +9

We investigate electron pairing in a super clean kagome superconductor CsV3Sb5 with a residual resistivity ratio (RRR) of 290. By using the dilution-refrigerator-based scanning tun…

cond-mat.supr-con2025★ 13 cited

Superconductivity and Electronic Structures of Nickelate Thin Film Superstructures

Zihao Nie, Yueying Li, Wei Lv +14

Ruddlesden-Popper (RP) nickelates have emerged as a crucial platform for exploring the mechanisms of high-temperature superconductivity. However, the Fermi surface topology require…

cond-mat.supr-con2025★ 1 cited

Quantum-size effect induced Andreev bound states in ultrathin metallic islands proximitized by a superconductor

Guanyong Wang, Li-Shuo Liu, Zhen Zhu +9

While Andreev bound states (ABSs) have been realized in engineered superconducting junctions, their direct observation in normal metal/superconductor heterostructures-enabled by qu…

cond-mat.supr-con2025★ 3 cited

Field re-entrant superconductivity in Eu-doped infinite-layer nickelates

Mingwei Yang, Jiayin Tang, Xianfeng Wu +19

Intertwined superconducting and magnetic orders may give rise to exotic quantum phases, including field-induced and re-entrant superconductivity. However, such magnetism-enhanced s…

cond-mat.supr-con2025★ 1 cited

Superconducting gap and its Little-Parks like oscillations with high-order harmonics in lithium intercalated 1T-TiSe

Jia-Yi Ji, Zongzheng Cao, Yi Hu +7

The superconducting phase of doped 1T-TiSe is a fruitful playground for exploring exotic quantum phenomena such as the anomalous metal state and spontaneously formed supercondu…

cond-mat.supr-con2025★ 1 cited

Atomic-scale imaging of electronic nematicity in ferropnictides

Qiang-Jun Cheng, Yong-Wei Wang, Ming-Qiang Ren +5

Electronic nematicity, a correlated state characterized by broken rotational symmetry, has been recognized as a ubiquitous feature intertwined with unconventional electron pairing…

cond-mat.supr-con2025★ 5 cited

Discovery of a new phase in thin flakes of KVSb under pressure

Zheyu Wang, Lingfei Wang, King Yau Yip +13

We report results of magnetotransport measurements on KVSb thin flakes under pressure. Our zero-field electrical resistance reveals an additional anomaly emerging under pre…

cond-mat.supr-con2025★ 5 cited

Nodeless superconducting gap and electron-boson coupling in (La,Pr,Sm)NiO films

Jianchang Shen, Guangdi Zhou, Yu Miao +18

The discovery of superconductivity in Ruddlesden-Popper (RP) bilayer nickelate films under ambient pressure provides an unprecedented opportunity to directly investigate electronic…

cond-mat.supr-con2025★ 7 cited

Origin of the Diagonal Double-Stripe Spin-Density-Wave and Potential Superconductivity in Bulk LaNiO at Ambient Pressure

Yu-Bo Liu, Hongyi Sun, Ming Zhang +3

The discovery of high-temperature superconductivity (SC) with K in the pressurized LaNiO has aroused great interests. Currently, due to technical diff…

cond-mat.supr-con2025★ 1 cited

Current-induced magnetoresistance hysteresis in the kagome superconductor CsVSb

Han-Xin Lou, Xing-Guo Ye, Xin Liao +3

We report the observation of current-modulated magnetoresistance hysteresis below the superconducting transition temperature in the kagome superconductor CsVSb. This highly…

cond-mat.supr-con2025★ 59 cited

Angle-resolved photoemission spectroscopy of superconducting (La,Pr)3Ni2O7/SrLaAlO4 heterostructures

Peng Li, Guangdi Zhou, Wei Lv +19

Ruddlesden-Popper bilayer nickelate thin film superconductors discovered under ambient pressure enable vast possibilities for investigating electronic structures of the superconduc…

cond-mat.supr-con2024★ 170 cited

Ambient-pressure superconductivity onset above 40 K in bilayer nickelate ultrathin films

Guangdi Zhou, Wei Lv, Heng Wang +8

The discovery of bilayer nickelate superconductors under high pressure has opened a new chapter in high-transition temperature (high-TC) superconductivity. Here, we report ambient-…

cond-mat.supr-con2024★ 2 cited

Resistive anisotropy in the charge density wave phase of Kagome superconductor CsV3Sb5 thin films

Han-Xin Lou, Xing-Guo Ye, Xin Liao +4

We investigate the resistive anisotropy in CsV3Sb5 thin films within the charge density wave phase. Using a device structure with twelve electrodes symmetrically distributed in a c…

cond-mat.supr-con2024★ 11 cited

Spin-density wave and superconductivity in LaNiO under ambient pressure

Ming Zhang, Hongyi Sun, Yu-Bo Liu +3

We investigate the spin-density wave (SDW) behavior and the potential for superconductivity (SC) in LaNiO under ambient pressure using a multi-orbital random-phase a…

cond-mat.supr-con2024★ 5 cited

Imaging half-unit-cell Cooper-pair density waves in monolayer 1T-MoTe

Fang-Jun Cheng, Cong-Cong Lou, Ai-Xi Chen +8

Unconventional superconductors that spontaneously break space-group symmetries of their underlying crystal lattice are distinguished by spatial modulations of the superconducting o…