Multiferroic materials and magnetoelectric physics: symmetry, entanglement, excitation, and topology

S Dong, JM Liu, SW Cheong, Z Ren - Advances in Physics, 2015 - Taylor & Francis
Multiferroics are those materials with more than one ferroic order, and magnetoelectricity
refers to the mutual coupling between magnetism (spins and/or magnetic field) and …

Transport in two-dimensional topological materials: recent developments in experiment and theory

D Culcer, AC Keser, Y Li, G Tkachov - 2D Materials, 2020 - iopscience.iop.org
We review theoretical and experimental highlights in transport in two-dimensional
topological materials over the last five years. Topological materials comprise topological …

Realization of the axion insulator state in quantum anomalous Hall sandwich heterostructures

D **ao, J Jiang, JH Shin, W Wang, F Wang, YF Zhao… - Physical review …, 2018 - APS
The “magnetoelectric effect” arises from the coupling between magnetic and electric
properties in materials. The Z 2 invariant of topological insulators (TIs) leads to a quantized …

Transition from Ferromagnetic Semiconductor to Ferromagnetic Metal with Enhanced Curie Temperature in Cr2Ge2Te6 via Organic Ion Intercalation

N Wang, H Tang, M Shi, H Zhang, W Zhuo… - Journal of the …, 2019 - ACS Publications
Magnetism in the two-dimensional limit has become an intriguing topic for exploring new
physical phenomena and potential applications. Especially, the two-dimensional magnetism …

Dimensional crossover-induced topological Hall effect in a magnetic topological insulator

C Liu, Y Zang, W Ruan, Y Gong, K He, X Ma, QK Xue… - Physical review …, 2017 - APS
We report transport studies of Mn-doped Bi 2 Te 3 topological insulator (TI) films with an
accurately controlled thickness grown by molecular beam epitaxy. We find that films thicker …

Concurrence of quantum anomalous Hall and topological Hall effects in magnetic topological insulator sandwich heterostructures

J Jiang, D **ao, F Wang, JH Shin, D Andreoli… - Nature Materials, 2020 - nature.com
The quantum anomalous Hall (QAH) effect is a consequence of non-zero Berry curvature in
momentum space. The QAH insulator harbours dissipation-free chiral edge states in the …

Topological materials for functional optoelectronic devices

H Chorsi, B Cheng, B Zhao, J Toudert… - Advanced Functional …, 2022 - Wiley Online Library
The recent realization of topology as a mathematical concept in condensed matter systems
has shattered Landau's widely accepted classification of phases by spontaneous symmetry …

Proximity-induced magnetic order in a transferred topological insulator thin film on a magnetic insulator

X Che, K Murata, L Pan, QL He, G Yu, Q Shao, G Yin… - ACS …, 2018 - ACS Publications
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 …

Electrically tunable magnetism in magnetic topological insulators

J Wang, B Lian, SC Zhang - Physical review letters, 2015 - APS
The external controllability of the magnetic properties in topological insulators would be
important both for fundamental and practical interests. Here we predict the electric-field …

Antisymmetric magnetoresistance in nanodevices of inhomogeneous thickness

W Niu, Z Cao, Y Wang, Z Wu, X Zhang, W Han, L Wei… - Physical Review B, 2021 - APS
With the emergence of the van der Waals two-dimensional (2D) ferromagnetic materials, Fe
3 GeTe 2 (FGT) with a high Curie temperature (TC) and the perpendicular magnetic …