Cycling Fermi arc electrons with Weyl orbits

C Zhang, Y Zhang, HZ Lu, XC Xie, F Xiu - Nature Reviews Physics, 2021 - nature.com
The Weyl orbit refers to a new type of cyclotron orbit recently proposed in Weyl semimetals.
This is a surface–bulk hybrid orbit that can be modulated by thickness and external fields …

Controlling and visualizing Dirac physics in topological semimetal heterostructures

DA Kealhofer, R Kealhofer, D Ohara, TN Pardue… - Science …, 2022 - science.org
A bulk crystal of cadmium arsenide is a three-dimensional Dirac semimetal, but, in a thin
film, it can behave like a three-dimensional topological insulator. This tunability provides …

[HTML][HTML] Carrier mobilities of (001) cadmium arsenide films

M Goyal, S Salmani-Rezaie, TN Pardue, B Guo… - APL Materials, 2020 - pubs.aip.org
We investigate (001)-oriented films of the topological semimetal cadmium arsenide (Cd 3 As
2) grown by molecular beam epitaxy on lattice-matched III–V Al x In 1− x Sb buffer layers …

Strain-controlled current switching in Weyl semimetals

SM Rafi-Ul-Islam, ZB Siu, C Sun, MBA Jalil - Physical Review Applied, 2020 - APS
Applying strain to a Weyl semimetal (WSM) breaks its lattice symmetry and results in a valley-
dependent strain gauge potential. Here, we investigate the application of the strain potential …

Extraordinary Thermoelectric Properties of Topological Surface States in Quantum‐Confined Cd3As2 Thin Films

W Ouyang, AC Lygo, Y Chen, H Zheng, D Vu… - Advanced …, 2024 - Wiley Online Library
Topological insulators and semimetals have been shown to possess intriguing
thermoelectric properties promising for energy harvesting and cooling applications …

Topological surface states in strained Dirac semimetal thin films

P Villar Arribi, JX Zhu, T Schumann, S Stemmer… - Physical Review B, 2020 - APS
We computationally study the Fermi arc states in a Dirac semimetal, both in a semi-infinite
slab and in the thin-film limit. We use Cd 3 As 2 as a model system, and include …

Mn doping effects on the gate-tunable transport properties of Cd3As2 films epitaxied on GaAs

H Wang, J Ma, Q Wei, J Zhao - Journal of Semiconductors, 2020 - iopscience.iop.org
The Mn doping effects on the gate-tunable transport properties of topological Dirac
semimetal Cd 3 As 2 films have been investigated. Mn-doped Cd 3 As 2 films are directly …

Unraveling the structural and electronic properties of strained PbSe on GaAs

X Liu, J Wang, L Riney, SK Bac, DJ Smith… - Journal of Crystal …, 2021 - Elsevier
Thin films of PbSe have been synthesized by molecular beam epitaxy on both GaAs (1 0 0)
and GaAs (1 1 1) B substrates. Despite the smaller lattice constant of GaAs, the PbSe layers …

Defects in epilayers via molecular beam epitaxy and strategies for reducing them

AD Rice, K Park, ET Hughes, K Mukherjee… - Physical Review Materials, 2019 - APS
Molecular beam epitaxy offers an exciting avenue for investigating the behavior of the
topological semimetal C d 3 A s 2, by providing routes for doping, alloying, strain …

Mid-infrared transient reflectance study of the Dirac semimetal under strong optical pumping

G Zhai, C Ma, J Xiang, J Ye, T Li, Y Li, P Sun, G Chen… - Physical Review B, 2020 - APS
The three-dimensional Dirac semimetal C d 3 A s 2 has attracted intensive attention recently
for its exotic properties. Understanding the hot carrier excitation and its subsequent …