Topological insulators and superconductors

XL Qi, SC Zhang - Reviews of modern physics, 2011 - APS
Topological insulators are new states of quantum matter which cannot be adiabatically
connected to conventional insulators and semiconductors. They are characterized by a full …

Rashba effect in functional spintronic devices

HC Koo, SB Kim, H Kim, TE Park, JW Choi… - Advanced …, 2020 - Wiley Online Library
Exploiting spin transport increases the functionality of electronic devices and enables such
devices to overcome physical limitations related to speed and power. Utilizing the Rashba …

Topological insulator materials

Y Ando - Journal of the Physical Society of Japan, 2013 - journals.jps.jp
Topological insulators represent a new quantum state of matter which is characterized by
peculiar edge or surface states that show up due to a topological character of the bulk wave …

Giant Rashba-type spin splitting in bulk BiTeI

K Ishizaka, MS Bahramy, H Murakawa, M Sakano… - Nature materials, 2011 - nature.com
There has been increasing interest in phenomena emerging from relativistic electrons in a
solid, which have a potential impact on spintronics and magnetoelectrics. One example is …

A topological Dirac insulator in a quantum spin Hall phase

D Hsieh, D Qian, L Wray, Y **a, YS Hor, RJ Cava… - Nature, 2008 - nature.com
When electrons are subject to a large external magnetic field, the conventional charge
quantum Hall effect, dictates that an electronic excitation gap is generated in the sample …

Observation of unconventional quantum spin textures in topological insulators

D Hsieh, Y **a, L Wray, D Qian, A Pal, JH Dil… - Science, 2009 - science.org
A topologically ordered material is characterized by a rare quantum organization of
electrons that evades the conventional spontaneously broken symmetry–based …

Surface states and topological invariants in three-dimensional topological insulators: Application to

JCY Teo, L Fu, CL Kane - Physical Review B—Condensed Matter and …, 2008 - APS
We study the electronic surface states of the semiconducting alloy bismuth antimony (Bi 1− x
Sb x). Using a phenomenological tight-binding model, we show that the Fermi surface for the …

Orbital-angular-momentum based origin of Rashba-type surface band splitting

SR Park, CH Kim, J Yu, JH Han, C Kim - Physical review letters, 2011 - APS
We propose that the existence of local orbital angular momentum (OAM) on the surfaces of
high-Z materials plays a crucial role in the formation of Rashba-type surface band splitting …

Ir (111) surface state with giant Rashba splitting persists under graphene in air

A Varykhalov, D Marchenko, MR Scholz, EDL Rienks… - Physical Review Letters, 2012 - APS
We reveal a giant Rashba effect (α R≈ 1.3 eV Å) on a surface state of Ir (111) by angle-
resolved photoemission and by density functional theory. It is demonstrated that the …

Centimeter‐scale growth of two‐dimensional layered high‐mobility bismuth films by pulsed laser deposition

Z Yang, Z Wu, Y Lyu, J Hao - InfoMat, 2019 - Wiley Online Library
Ever since discovery of graphene, two‐dimensional (2D) materials become a new tool box
for information technology. Among the 2D family, ultrathin bismuth (Bi) has attracted a great …