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218 papers
Lattice effect on the superexchange interaction in antiferromagnetic BiSrCaCuO
Jie Xin, Alexander G. Gavriliuk, Jia-Wei Hu +7
The in-plane superexchange interaction of cuprate superconductors has long been suggested to be an important parameter for exploring their high-temperature superconductivity. T…
Visualizing the Energy-gap Modulations of the Cuprate Pair Density Wave State
Zengyi Du, Hui Li, Sanghyun Joo +6
When Cooper pairs are formed with finite center-of-mass momentum, the defining characteristic is a spatially modulating superconducting energy gap . Recently, this concept ha…
Quantum size effects, multiple Dirac cones and edge states in ultrathin Bi(110) films
Asish K. Kundu, Genda Gu, Tonica Valla
The presence of inherently strong spin-orbit coupling in bismuth, its unique layer-dependent band topology and high carrier mobility make it an interesting system for both fundamen…
Visualizing nematic transition and nanoscale suppression of superconductivity in Fe(Te,Se)
He Zhao, Hong Li, Lianyang Dong +9
The interplay of different electronic phases underlies the physics of unconventional superconductors. One of the most intriguing examples is a high-Tc superconductor FeTe1-xSex: it…
Surface orbital order and chemical potential inhomogeneity of the iron-based superconductor FeTe0.55Se0.45 investigated with special STM tips
Dongfei Wang, Ruidan Zhong, Genda Gu +1
The atomically clean surface of the iron-based superconductor FeTe0.55Se0.45 is investigated by low-temperature STM with different tip apex states. By manipulating a single Fe atom…
Reinvestigation of crystal symmetry and fluctuations in LaCuO
A. Sapkota, T. C. Sterling, P. M. Lozano +8
New surprises continue to be revealed about LaCuO, the parent compound of the original cuprate superconductor. Here we present neutron scattering evidence that the structur…