Shiwu Su
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View article: Unconventional band splitting of CeSb in the devil’s staircase transition
Unconventional band splitting of CeSb in the devil’s staircase transition Open
The interplay between magnetism and electronic band structure is a central theme in condensed matter physics. CeSb, with its complex devil’s staircase antiferromagnetic transition, offers a unique opportunity to explore this interplay. Usi…
View article: Revealing nanoscale structural phase separation in La$_{3}$Ni$_{2}$O$_{7-δ}$ single crystal via scanning near-field optical microscopy
Revealing nanoscale structural phase separation in La$_{3}$Ni$_{2}$O$_{7-δ}$ single crystal via scanning near-field optical microscopy Open
The discovery of superconductivity in La3Ni2O7-$δ$ under high pressure,with an onset critical temperature around 80 K, has sparked significant interest in the superconducting phases of Ruddlesden-Popper nickelates, Lan+1NinO3n+1. While La4…
View article: Evidence of electron interaction with an unidentified bosonic mode in superconductor CsCa2Fe4As4F2
Evidence of electron interaction with an unidentified bosonic mode in superconductor CsCa2Fe4As4F2 Open
The kink structure in band dispersion usually refers to a certain electron-boson interaction, which is crucial in understanding the pairing in unconventional superconductors. Here we report the evidence of the observation of a kink structu…