First-principles discovery of novel quantum physics and materials: From theory to experiment
@article{Li2020FirstprinciplesDO, title={First-principles discovery of novel quantum physics and materials: From theory to experiment}, author={Yang Li and Yongjun Xu}, journal={arXiv: Computational Physics}, year={2020} }
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Antiferromagnetic VdW Phase at the Interface of Sputtered Topological Insulator/Ferromagnet-Bi2Te3/Ni80Fe20 Heterostructures
- Materials Science, Physics
- 2021
Magnetic ordering in topological insulators (TI) is crucial for breaking time-reversal symmetry (TRS) and thereby opening a gap in the topological surface states (TSSs) [1-6], which is the key for…
References
SHOWING 1-10 OF 119 REFERENCES
Type-II Ising superconductivity and anomalous metallic state in macro-size ambient-stable ultrathin crystalline films.
- Physics, Materials ScienceNano letters
- 2020
A systematic transport study on the ultrathin crystalline PdTe2 films grown by molecular beam epitaxy (MBE) finds a new type of Ising superconductivity in 2D centrosymmetric materials is revealed by the detection of large in-plane critical field more than 7 times Pauli limit.
Magnetic topological insulators
- PhysicsNature Reviews Physics
- 2019
The importance of global band topology is unequivocally recognized in condensed matter physics, and new states of matter, such as topological insulators, have been discovered. Owing to their bulk…
Quantum anomalous Hall effect and related topological electronic states
- Physics
- 2015
Over a long period of exploration, the successful observation of quantized version of anomalous Hall effect (AHE) in thin film of magnetically doped topological insulator (TI) completed a quantum…
Experimental Observation of the Quantum Anomalous Hall Effect in a Magnetic Topological Insulator
- PhysicsScience
- 2013
The observation of the quantum anomalous Hall (QAH) effect in thin films of chromium-doped (Bi,Sb)2Te3, a magnetic topological insulator shows a plateau in the Hall resistance as a function of the gating voltage without any applied magnetic fields, signifying the achievement of the QAH state.
High-Temperature Quantum Anomalous Hall Insulators in Lithium-Decorated Iron-Based Superconductor Materials.
- Physics, Materials SciencePhysical review letters
- 2020
By first-principles calculations, this work finds a family of stable two-dimensional structures generated by lithium decoration of layered iron-based superconductor materials Fe X(X=S,Se,Te), and predicts room-temperature ferromagnetic semiconductors together with large-gap high-Chern-number QAH insulators in the 2D materials.
Experimental Realization of an Intrinsic Magnetic Topological Insulator*
- Physics, Materials ScienceChinese Physics Letters
- 2019
Intrinsic magnetic topological insulator (TI) is a stoichiometric magnetic compound possessing both inherent magnetic order and topological electronic states. Such a material can provide a shortcut…
High-Chern-number and high-temperature quantum Hall effect without Landau levels
- PhysicsNational science review
- 2020
The experimental discovery of high-Chern-number QHE (C = 2) without Landau levels and C = 1 Chern insulator state displaying a nearly quantized Hall resistance plateau above the Néel temperature in MnBi2Te4 devices is reported.
Topological magneto-optical effects and their quantization in noncoplanar antiferromagnets
- PhysicsNature Communications
- 2020
It is demonstrated that topological magneto-optical effects can arise in noncoplanar antiferromagnets due to the finite scalar spin chirality, without any reference to exchange splitting or spin-orbit coupling.
Topological quantum computation based on chiral Majorana fermions
- PhysicsProceedings of the National Academy of Sciences
- 2018
It is shown that the propagation of chiral Majorana fermions leads to the same unitary transformation as that in the braiding of Majorana zero modes and a platform to perform quantum computation with chiral majors is proposed.
Intrinsic magnetic topological insulators in van der Waals layered MnBi2Te4-family materials
- PhysicsScience Advances
- 2019
This work predicts a series of van der Waals layered MnBi2Te4-related materials that show intralayer ferromagnetic and interlayer antiferromagnetic exchange interactions that could profoundly change future research and technology of topological quantum physics.