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Layer Hall effect in a 2D topological Axion antiferromagnet
Anyuan Gao, Yu-Fei Liu, Chaowei Hu +33
While ferromagnets have been known and exploited for millennia, antiferromagnets (AFMs) were only discovered in the 1930s. The elusive nature indicates AFMs' unique properties: At…
Redox oscillations in 18650-type lithium-ion cell revealed by in operando Compton scattering imaging
Kosuke Suzuki, Shunta Suzuki, Yuji Otsuka +12
Compton scattering imaging using high-energy synchrotron x-rays allows the visualization of the spatio-temporal lithiation state in lithium-ion batteries probed in-operando. Here,…
High-order Van Hove singularities in cuprates and related high-Tc superconductors
Robert S. Markiewicz, Bahadur Singh, Christopher Lane +1
Two-dimensional (2D) Van Hove singularities (VHSs) associated with the saddle points or extrema of the energy dispersion usually show logarithmic divergences in the density of stat…
A Higher-Order Topological Insulator Phase in a Modulated Haldane Model
Baokai Wang, Xiaoting Zhou, Hsin Lin +1
We explore topological properties of a modulated Haldane model (MHM) in which the strength of the nearest-neighbor and next-nearest-neighbor terms is made unequal and the three-fol…