Yayu Wang

TL;DR: The observation of the quantum anomalous Hall (QAH) effect in thin films of chromium-doped (Bi,Sb)2Te3, a magnetic topological insulator shows a plateau in the Hall resistance as a function of the gating voltage without any applied magnetic fields, signifying the achievement of the QAH state.

TL;DR: In this paper, the authors reported high transition temperature superconductivity in one unitcell (UC) thick FeSe films grown on a Se-etched SrTiO3 (001) substrate by molecular beam epitaxy (MBE).

TL;DR: This paper reports a new approach which makes use of embedded nitrogen and carbon atoms in metal substrate to prepare nitrogen-doped graphene (NG), and provides not only a better control over the doping density but also a potential advantage to precisely control the solid dopants at desired locations to achieve patterned doping.

TL;DR: In this paper, the authors present a series of measurements to high fields $H$ which provide strong evidence for this phase-disordering scenario, and support the scenario that superfluidity vanishes because long-range phase coherence is destroyed by thermally-created vortices (in zero field), and that the pair condensate extends high into the pseudogap state in the underdoped regime.

TL;DR: The finding—that spin-entropy dominates the enhancement of thermopower in transition-metal oxides—for the search for better Peltier materials is discussed.