Weyl and Dirac semimetals in three-dimensional solids

NP Armitage, EJ Mele, A Vishwanath - Reviews of Modern Physics, 2018 - APS
Weyl and Dirac semimetals are three-dimensional phases of matter with gapless electronic
excitations that are protected by topology and symmetry. As three-dimensional analogs of …

Probing topological phase transitions using high-harmonic generation

C Heide, Y Kobayashi, DR Baykusheva, D Jain… - Nature …, 2022 - nature.com
The prediction and realization of topological insulators have sparked great interest in
experimental approaches to the classification of materials,–. The phase transition between …

Two‐dimensional van der Waals topological materials: preparation, properties, and device applications

G Zhang, H Wu, L Zhang, L Yang, Y ** Problem and Tunable Quantum Hall Effect in Bi2Se3 Thin Films
J Moon, N Koirala, M Salehi, W Zhang, W Wu, S Oh - Nano letters, 2018 - ACS Publications
Bi2Se3, one of the most widely studied topological insulators (TIs), is naturally electron-
doped due to n-type native defects. However, many years of efforts to achieve p-type Bi2Se3 …

Dimensional crossover and topological nature of the thin films of a three-dimensional topological insulator by band gap engineering

Z Wang, T Zhou, T Jiang, H Sun, Y Zang, Y Gong… - Nano Letters, 2019 - ACS Publications
Identification and control of topological phases in topological thin films offer great
opportunities for fundamental research and the fabrication of topology-based devices. Here …

Heterostructures containing dichalcogenides-new materials with predictable nanoarchitectures and novel emergent properties

DM Hamann, EC Hadland… - … Science and Technology, 2017 - iopscience.iop.org
Heterostructures unconstrained by epitaxy have generated considerable excitement due to
the discovery of emergent properties—properties not found in either constituent …

Quantum‐Hall to Insulator Transition in Ultra‐Low‐Carrier‐Density Topological Insulator Films and a Hidden Phase of the Zeroth Landau Level

M Salehi, H Shapourian, IT Rosen, MG Han… - Advanced …, 2019 - Wiley Online Library
A key feature of the topological surface state under a magnetic field is the presence of the
zeroth Landau level at the zero energy. Nonetheless, it is challenging to probe the zeroth …