Lili Wang

TL;DR: By studying the voltage-dependent standing wave patterns, the energy dispersion E(k) is determined, which confirms the Dirac cone structure of the topological states, and shows that, very different from the conventional surface states, backscattering of theTopological states by nonmagnetic impurities is completely suppressed.

TL;DR: The epitaxial films of lead and indium represent the thinnest superconductors possible as discussed by the authors, and have been shown to have superconductivity on silicon substrates.

TL;DR: In situ angle-resolved photo-emission spectroscopy measurement reveals that the as-grown Bi2Te3 films are intrinsic topological insulators and the single-Dirac-cone surface state develops at a thickness of two quintuple layers.

TL;DR: The zeroth Landau level is discovered, predicted to give rise to the half-quantized Hall effect for the topological surface states, which may eventually lead to the realization of quantum Hall effect in topological insulators.

TL;DR: The electron-pairing mechanism in an iron-based superconductor, iron selenide (FeSe), is investigated using scanning tunneling microscopy and spectroscopy and the anisotropy can be explained in terms of the orbital-dependent reconstruction of electronic structure in FeSe.