The advent of visible-infrared laser pulses carrying a substantial fraction of their energy in a
single field oscillation cycle has opened a new era in the experimental investigation of …

Quantum anomalous Hall (QAH) systems are of great fundamental interest and potential
application because of their dissipationless conduction without the need for an external …

Breaking the time reversal symmetry (TRS) in a topological insulator (TI) by introducing a
magnetic order gives rise to exotic quantum phenomena. One of the promising routes to …

We report the low-temperature magneto-transport in the bulk-insulating single crystal of
topological insulator Sn doped Bi 1.1 Sb 0.9 Te 2 S. Shubnikov-de Haas oscillations appear …

Three dimensional (3D) topological insulators (TIs) are an important class of materials with
applications in electronics, spintronics and quantum computing. With the recent …

Magnetic doping with transition metal ions is the most widely used approach to break time-
reversal symmetry in a topological insulator (TI)—a prerequisite for unlocking the TI's exotic …

The combination of topological properties and magnetic order can lead to new quantum
states and exotic physical phenomena, such as the quantum anomalous Hall (QAH) effect …

Studying the influence of broken time-reversal symmetry on topological materials is an
important fundamental problem of current interest in condensed matter physics and its …

By combining scanning tunneling microscopy/spectroscopy and first-principles calculations,
we systematically study the local electronic states of magnetic dopants V and Cr in the …

Ferromagnetic ordering in a topological insulator can break time-reversal symmetry,
realizing dissipationless electronic states in the absence of a magnetic field. The control of …