Quantized anomalous Hall effect in magnetic topological insulators

R Yu, W Zhang, HJ Zhang, SC Zhang, X Dai, Z Fang - science, 2010 - science.org
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 …

Experimental observation of the quantum anomalous Hall effect in a magnetic topological insulator

CZ Chang, J Zhang, X Feng, J Shen, Z Zhang, M Guo… - Science, 2013 - science.org
The quantized version of the anomalous Hall effect has been predicted to occur in magnetic
topological insulators, but the experimental realization has been challenging. Here, we …

Quantum anomalous Hall effect with higher plateaus

J Wang, B Lian, H Zhang, Y Xu, SC Zhang - Physical review letters, 2013 - APS
The quantum anomalous Hall (QAH) effect in magnetic topological insulators is driven by the
combination of spontaneous magnetic moments and spin-orbit coupling. Its recent …

Carrier-mediated ferromagnetism in the magnetic topological insulator Cr-doped (Sb,Bi)2Te3

M Ye, W Li, S Zhu, Y Takeda, Y Saitoh, J Wang… - Nature …, 2015 - nature.com
Magnetically doped topological insulators, possessing an energy gap created at the Dirac
point through time-reversal-symmetry breaking, are predicted to exhibit exotic phenomena …

High-precision realization of robust quantum anomalous Hall state in a hard ferromagnetic topological insulator

CZ Chang, W Zhao, DY Kim, H Zhang, BA Assaf… - Nature materials, 2015 - nature.com
The discovery of the quantum Hall (QH) effect led to the realization of a topological
electronic state with dissipationless currents circulating in one direction along the edge of a …

Probing the low-temperature limit of the quantum anomalous Hall effect

L Pan, X Liu, QL He, A Stern, G Yin, X Che, Q Shao… - Science …, 2020 - science.org
Quantum anomalous Hall effect has been observed in magnetically doped topological
insulators. However, full quantization, up until now, is limited within the sub–1 K temperature …

Large magnetic gap at the Dirac point in Bi2Te3/MnBi2Te4 heterostructures

EDL Rienks, S Wimmer, J Sánchez-Barriga, O Caha… - Nature, 2019 - nature.com
Magnetically doped topological insulators enable the quantum anomalous Hall effect
(QAHE), which provides quantized edge states for lossless charge-transport applications …

Enhancing the quantum anomalous Hall effect by magnetic codoping in a topological insulator

Y Ou, C Liu, G Jiang, Y Feng, D Zhao, W Wu… - Advanced …, 2018 - Wiley Online Library
The quantum anomalous Hall (QAH) effect, which has been realized in magnetic topological
insulators (TIs), is the key to applications of dissipationless quantum Hall edge states in …

Large anomalous Hall effect in topological insulators with proximitized ferromagnetic insulators

M Mogi, T Nakajima, V Ukleev, A Tsukazaki, R Yoshimi… - Physical review …, 2019 - APS
We report a proximity-driven large anomalous Hall effect in all-telluride heterostructures
consisting of the ferromagnetic insulator Cr 2 Ge 2 Te 6 and topological insulator (Bi, Sb) 2 …

Visualization of superparamagnetic dynamics in magnetic topological insulators

EO Lachman, AF Young, A Richardella, J Cuppens… - Science …, 2015 - science.org
Quantized Hall conductance is a generic feature of two-dimensional electronic systems with
broken time reversal symmetry. In the quantum anomalous Hall state recently discovered in …