Ultrafast dynamics of ferroelectric polarization of NbOI2 captured with femtosecond electron diffraction
Characterization of NbOI2 nanocrystals Figure 1 a shows the crystal lattice of NbOI2. The lattice constants of NbOI2 are…
Competition between excitonic insulators and quantum Hall states in correlated electron–hole bilayers
Zeng, Y. & MacDonald, A. H. Electrically controlled two-dimensional electron-hole fluids. Phys. Rev. B 102, 085154 (2020). CAS …
Quantum oscillations in a dipolar excitonic insulator
Li, G. et al. Two-dimensional Fermi surfaces in Kondo insulator SmB6. Science 346, 1208–1212 (2014). PubMed CAS Google…
Optical signatures of interlayer electron coherence in a bilayer semiconductor
Transition-metal dichalcogenides (TMDs) are direct-gap semiconductors that can host optically bright excitons corresponding to Coulomb-bound electron–hole pairs. Due…
Quantum metric third-order nonlinear Hall effect in a non-centrosymmetric ferromagnet
Previous studies have shown that Fe5GeTe2 has two crystal structures27,30, one with higher symmetry in space group R\(\bar{3}\)m…