High-Temperature Quantum Anomalous Hall Effect in Codoped Topological Insulators

S Qi, Z Qiao, X Deng, ED Cubuk, H Chen, W Zhu… - Physical review …, 2016 - APS
The quantum anomalous Hall effect (QAHE) is a fundamental quantum transport
phenomenon that manifests as a quantized transverse conductance in response to a …

Quantum Hall effect: Discovery and application

K von Klitzing - Annual Review of Condensed Matter Physics, 2017 - annualreviews.org
The unexpected discovery of the quantum Hall effect was the result of basic research on
silicon field-effect transistors combined with my experience in metrology, the science of …

Quantum anomalous Hall effect in 2D organic topological insulators

ZF Wang, Z Liu, F Liu - Physical review letters, 2013 - APS
The quantum anomalous Hall effect (QAHE) is a fundamental transport phenomenon in the
field of condensed-matter physics. Without an external magnetic field, spontaneous …

[HTML][HTML] Large anomalous Hall effect in ferromagnetic insulator-topological insulator heterostructures

LD Alegria, H Ji, N Yao, JJ Clarke, RJ Cava… - Applied Physics …, 2014 - pubs.aip.org
We demonstrate the van der Waals epitaxy of the topological insulator compound Bi 2 Te 3
on the ferromagnetic insulator Cr 2 Ge 2 Te 6. The layers are oriented with (001) Bi 2 Te …

Quantum anomalous Hall effect from intertwined moiré bands

T Li, S Jiang, B Shen, Y Zhang, L Li, Z Tao, T Devakul… - Nature, 2021 - nature.com
Electron correlation and topology are two central threads of modern condensed matter
physics. Semiconductor moiré materials provide a highly tuneable platform for studies of …

Quantum anomalous Hall effect with a permanent magnet defines a quantum resistance standard

Y Okazaki, T Oe, M Kawamura, R Yoshimi… - Nature Physics, 2022 - nature.com
The quantum anomalous Hall effect (QAHE),,,,–is a transport phenomenon where the Hall
resistance is quantized to the von Klitzing constant due to the spontaneous magnetization of …

Observation of the quantum spin Hall effect up to 100 kelvin in a monolayer crystal

S Wu, V Fatemi, QD Gibson, K Watanabe, T Taniguchi… - Science, 2018 - science.org
A variety of monolayer crystals have been proposed to be two-dimensional topological
insulators exhibiting the quantum spin Hall effect (QSHE), possibly even at high …

[PDF][PDF] Thin films of magnetically doped topological insulator with carrier‐independent long‐range ferromagnetic order

CZ Chang, J Zhang, M Liu, Z Zhang, X Feng… - Advanced …, 2013 - surface.iphy.ac.cn
In recent years, topological insulators (TIs), as a class of new concept quantum materials,
have received substantial research interests from not only condensed matter physics but …

Independent tuning of electronic properties and induced ferromagnetism in topological insulators with heterostructure approach

Z Jiang, CZ Chang, C Tang, P Wei, JS Moodera… - Nano …, 2015 - ACS Publications
The quantum anomalous Hall effect (QAHE) has been recently demonstrated in Cr-and V-
doped three-dimensional topological insulators (TIs) at temperatures below 100 mK. In …

Above 400-K robust perpendicular ferromagnetic phase in a topological insulator

C Tang, CZ Chang, G Zhao, Y Liu, Z Jiang, CX Liu… - Science …, 2017 - science.org
The quantum anomalous Hall effect (QAHE) that emerges under broken time-reversal
symmetry in topological insulators (TIs) exhibits many fascinating physical properties for …