Magnetically doped topological insulators enable the quantum anomalous Hall effect
(QAHE), which provides quantized edge states for lossless charge-transport applications …

The quantum anomalous Hall effect, is a fundamental transport response of a topological
insulator in zero magnetic field. Its physical origin is a result of an intrinsically inverted …

Topological insulators are a newly discovered class of materials in which helical conducting
modes exist on the surface of a bulk insulator,,,,,. Recently, theoretical works have shown …

In spite of much work on topological insulators (TIs), systematic experiments for TI/TI
heterostructures remain absent. We grow a high quality heterostructure containing single …

Magnetically doped topological insulators, possessing an energy gap created at the Dirac
point through time-reversal-symmetry breaking, are predicted to exhibit exotic phenomena …

The anomalous Hall effect is a fundamental transport process in solids arising from the spin-
orbit coupling. In a quantum anomalous Hall insulator, spontaneous magnetic moments and …

Bismuth-based binary compounds such as Bi 2Te 3 and Bi 2Se 3 have been known for a
long time to be excellent thermoelectric materials due to their unique near-gap electronic …

Topological insulators exhibit a bulk energy gap and spin-polarized surface states that lead
to unique electronic properties,,,,,,,,, with potential applications in spintronics and quantum …

Topological insulators are insulating materials that display massless, Dirac-like surface
states in which the electrons have only one spin degree of freedom on each surface. These …

First-principles and model calculations show that the Dirac surface state of the topological
insulator Bi 2 Te 3 survives upon moderate Mn doping of the surface layers but can lose its …