Two‐Dimensional Van Der Waals Topological Materials: Preparation, Properties, and Device Applications
Over the past decade, 2D van der Waals (vdW) topological materials (TMs), including
topological insulators and topological semimetals, which combine atomically flat 2D layers …
topological insulators and topological semimetals, which combine atomically flat 2D layers …
Two-Dimensional Terahertz Spectroscopy of Nonlinear Phononics in the Topological Insulator
The interaction of a single-cycle terahertz electric field with the topological insulator MnBi 2
Te 4 triggers strongly anharmonic lattice dynamics, promoting fully coherent energy transfer …
Te 4 triggers strongly anharmonic lattice dynamics, promoting fully coherent energy transfer …
Layer-by-layer disentanglement of Bloch states
Layer-by-layer material engineering has produced interesting quantum phenomena such as
interfacial superconductivity and the quantum anomalous Hall effect. However, probing …
interfacial superconductivity and the quantum anomalous Hall effect. However, probing …
Ultrafast coherent interlayer phonon dynamics in atomically thin layers of MnBi2Te4
FM Bartram, YC Leng, Y Wang, L Liu, X Chen… - npj Quantum …, 2022 - nature.com
Abstract The atomically thin MnBi2Te4 crystal is a novel magnetic topological insulator,
exhibiting exotic quantum physics. Here we report a systematic investigation of ultrafast …
exhibiting exotic quantum physics. Here we report a systematic investigation of ultrafast …
Van der Waals engineering of ultrafast carrier dynamics in magnetic heterostructures
Heterostructures composed of the intrinsic magnetic topological insulator MnBi2Te4 and its
nonmagnetic counterpart Bi2Te3 host distinct surface electronic band structures depending …
nonmagnetic counterpart Bi2Te3 host distinct surface electronic band structures depending …
Picosecond Ultrasonics in Magnetic Topological Insulator MnBi2Te4
MnBi2Te4 is a magnetic topological insulator with layered A-type antiferromagnetic order. It
exhibits a rich layer-and magnetic-state dependent topological phase diagram; however …
exhibits a rich layer-and magnetic-state dependent topological phase diagram; however …
Crystal structure and Raman-active lattice vibrations of magnetic topological insulators (, 1,...,6)
Further to the structure of the intrinsic magnetic topological insulators Mn Bi 2 Te 4· n (Bi 2
Te 3) with n< 4, where index n is the number of quintuple Te-Bi-Te-Bi-Te building blocks …
Te 3) with n< 4, where index n is the number of quintuple Te-Bi-Te-Bi-Te building blocks …
Dynamical properties of the magnetic topological insulator : Phonons dispersion, Raman active modes, and chiral phonons study
Recently discovered magnetic topological insulators T Bi 2 Te 4 (T= Mn, Fe) crystallize into
the R 3¯ m rhombohedral structure and exhibit the antiferromagnetic order. Here, we …
the R 3¯ m rhombohedral structure and exhibit the antiferromagnetic order. Here, we …
Observation of Ultrastrong Coupling between Substrate and the Magnetic Topological Insulator MnBi2Te4
The intrinsic magnetic topological insulator MnBi2Te4 has attracted significant interest
recently as a promising platform for exploring exotic quantum phenomena. Here we report …
recently as a promising platform for exploring exotic quantum phenomena. Here we report …
First-principles study of the magneto-Raman effect in van der Waals layered magnets
Magneto-Raman spectroscopy has been used to study spin-phonon coupling in two-
dimensional (2D) magnets. Raman spectra of CrI3 show a strong dependence on the …
dimensional (2D) magnets. Raman spectra of CrI3 show a strong dependence on the …