May 17, 2022 · (a) Structures of graphene-MnBi 2 Te 4 vdW heterostructures. (b) Energy bands of hollow-type graphene-MnBi 2 Te 4 vdW heterostructure, shown by spin-polarization and MnBi 2 Te 4 -orbital-proportion resolved.

Apr 19, 2024 · In this work, we propose the QAH effect in graphene/MnBi 2 Te 4 (MBT) heterostructure based on density-functional theory (DFT) calculations. The monolayer MBT introduces spin-orbital coupling, Zeeman exchange field, and Kekulé distortion as a substrate effect into graphene, resulting in QAH with C = 1 in the heterostructure.

Apr 22, 2024 · We perform a comprehensive study of the magnetotransport properties in 6- and 7-septuple-layer MnBi 2 Te 4, and reveal that both even- and odd-number-layer device can show zero Hall plateau...

In this study, we present QAHE in a graphene/MnBi2Te4 heterostructure through first-principles calculations. This finding starkly contrasts with previous investigations. Additionally, our effective Hamiltonian unveils a comprehensive topological phase diagram not explored before.

Sep 1, 2024 · Here, through first-principles calculations, we propose a pathway to realize the layer-polarized anomalous Hall effect by constructing A-type antiferromagnetic topological insulator MnBi 2 Te 4 based heterostructures with ferroelectric materials In 2 Se 3 /In 2 Te 3.

May 17, 2022 · This work studies electronic transport through graphene-MnBi 2 Te 4-graphene junctions. We find that graphene-MnBi 2 Te 4 interfaces are perfect Ohmic contacts, which benefits the use of MnBi 2 Te 4 in carbon circuits.

May 1, 2024 · Our model further reveals a rich phase diagram in graphene/MnBi 2 Te 4 heterostructures. Figure S1. A schematic diagram presents the evolution of graphene band structure from QSH2...

Dec 18, 2019 · Here we use low-temperature photoelectron spectroscopy to unambiguously reveal the magnetic gap of Mn-doped Bi 2 Te 3, which displays ferromagnetic out-of-plane spin texture and opens up only below...

May 3, 2022 · This work studies electronic transport through graphene-MnBi2Te4-graphene junctions. We find that graphene-MnBi2Te4 interfaces are perfect Ohmic contacts, which benefits the use of MnBi2Te4 in carbon circuits. The currents through MnBi2Te4 junctions possess high spin polarization.

Aug 1, 2024 · Here we synthesize a heterostructures composed of 2D TI and 3D IMTIs, specifically of bismuth bilayer on top of MnBi 2 Te 4 -family of compounds and study their electronic properties by means of angle-resolved photoelectron spectroscopy (ARPES) and density functional theory (DFT).