First|principles prediction of quantum anomalous Hall effect in two ...

Prediction of Quantum Anomalous Hall Effect in MBi and MSb (M:Ti ...

Here, we predict that MPn (M =Ti, Zr, and Hf; Pn =Sb and Bi) honeycombs are capable of possessing QAH insulating phases based on first- ...

Prediction of two-dimensional Dirac materials with intrinsic ...

More competitive ferromagnetic materials in 2D systems with the quantum anomalous Hall (QAH) state and room-temperature ferromagnetism are much desired. Herein, ...

Quantum Hall effect - Wikipedia

In 1988, it was proposed that there was a quantum Hall effect without Landau levels. ... This quantum Hall effect is referred to as the quantum anomalous Hall ( ...

Quantum anomalous Hall effect | National Science Review

In both cases, the QAHE can be observed, as long as the hybridization gap is smaller than the ferromagnetic exchange energy, because exchange ...

“Quantum Anomalous Hall Effect in the Magnetic ... - YouTube

... first time [3]. Two years later in a near-ideal system, V-doped TI, contrary to the negative prediction from first principle calculations [2] ...

Quantum Anomalous Hall Effect in Magnetic Topological Insulator ...

... first time [1]. Two years later in a near-ideal system, V-doped TI, contrary to initial negative prediction ... Quantum Anomalous Hall Effect ...

Quantized anomalous Hall effect in magnetic topological insulators

In a quantum anomalous Hall insulator, spontaneous magnetic moments and spin ... Based on first-principles calculations, we predict that the ...

(PDF) Quantum anomalous Hall effect in two-dimensional magnetic ...

The quantum anomalous Hall (QAH) effect, which has been realized in magnetic topological insulators (TIs), is the key to applications of dissipationless quantum ...

Tunable quantum anomalous Hall effects in van der Waals ...

Through systematic first-principles calculations, the research team predicts that QAHE induced by both in-plane and out-of-plane ...

Tunable quantum anomalous Hall effects in ferromagnetic van der ...

ABSTRACT The quantum anomalous Hall effect (QAHE) has unique advantages in topotronic applications, but it is still challenging to realize the QAHE with ...

Tunable quantum anomalous Hall effects in ferromagnetic van der ...

In summary, based on systematic first-principles calculations, we demonstrate the highly tunable QAHE in a vdW heterostructure of 2D FM semiconductor MnBi2Te4 ...

Interplay between quantum anomalous Hall effect and magnetic ...

Quantum anomalous Hall effect (QAHE) and magnetic skyrmion (SK) represent two typical topological states in momentum (K) and real (R) spaces, respectively.

Prediction of Quantum Anomalous Hall Insulator in half-fluorinated ...

AbstractUsing first-principles electronic structure calculations, we predict half-fluorinated GaBi honeycomb under tensile strain to harbor a quantum ...

Advances in Quantum Anomalous Hall Effect

While the anomalous Hall effect requires a combination of magnetic polarization and spin-orbit coupling to generate a finite Hall voltage even in the absence of ...

Physicists Discover Novel Quantum Effect in Bilayer Graphene

“We predicted, observed, elucidated and controlled a quantum anomalous Hall octet, where three striking quantum phenomena — ferromagnetism, ...

Topological Phase and Quantum Anomalous Hall Effect in ... - MDPI

Magnetic two-dimensional (2D) van der Waals materials have attracted tremendous attention because of their high potential in spintronics.

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

The quantum Hall effect (QHE), which was first observed in two-dimensional (2D) electron gas systems, demonstrates the first example of a ...

Progress and prospects in the quantum anomalous Hall effect

The first (last) two subscripts in the resistance notation refer to the current (voltage) leads. The chiral current flows are depicted in the device schematics.

Long Range Colloquium: "Quantum Anomalous Hall Effect in the ...

The quantum anomalous Hall (QAH) effect can be considered as the quantum Hall (QH) effect without an external magnetic field, which can be realized by time- ...

Quantum Anomalous Hall Effect in Graphene-based Heterostructure.

Quantum anomalous Hall (QAH) effect, with potential applications in low-power-consumption electronics, is predicted in the heterostructure of graphene on ...