Experimental perspective on three-dimensional topological semimetals

BQ Lv, T Qian, H Ding - Reviews of Modern Physics, 2021 - APS
Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

Angle-resolved photoemission studies of quantum materials

JA Sobota, Y He, ZX Shen - Reviews of Modern Physics, 2021 - APS
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Colloquium: Topological band theory

A Bansil, H Lin, T Das - Reviews of Modern Physics, 2016 - APS
The first-principles band theory paradigm has been a key player not only in the process of
discovering new classes of topologically interesting materials, but also for identifying salient …

Observation of a three-dimensional topological Dirac semimetal phase in high-mobility Cd3As2

M Neupane, SY Xu, R Sankar, N Alidoust… - Nature …, 2014 - nature.com
Abstract Symmetry-broken three-dimensional (3D) topological Dirac semimetal systems with
strong spin-orbit coupling can host many exotic Hall-like phenomena and Weyl fermion …

Rediscovering the crystal chemistry of borides

G Akopov, MT Yeung, RB Kaner - Advanced Materials, 2017 - Wiley Online Library
For decades, borides have been primarily studied as crystallographic oddities. With such a
wide variety of structures (a quick survey of the Inorganic Crystal Structure Database counts …

Observation of topological nodal fermion semimetal phase in ZrSiS

M Neupane, I Belopolski, MM Hosen, DS Sanchez… - Physical Review B, 2016 - APS
Unveiling new topological phases of matter is one of the current objectives in condensed
matter physics. Recent experimental discoveries of Dirac and Weyl semimetals prompt the …

Topological kondo insulators

M Dzero, J Xia, V Galitski… - Annual Review of …, 2016 - annualreviews.org
This article reviews recent theoretical and experimental work on a new class of topological
material—topological Kondo insulators, which develop through the interplay of strong …

Two-dimensional Fermi surfaces in Kondo insulator SmB6

G Li, Z Xiang, F Yu, T Asaba, B Lawson, P Cai… - Science, 2014 - science.org
In the Kondo insulator samarium hexaboride (SmB6), strong correlation and band
hybridization lead to an insulating gap and a diverging resistance at low temperature. The …

Observation of possible topological in-gap surface states in the Kondo insulator SmB6 by photoemission

J Jiang, S Li, T Zhang, Z Sun, F Chen, ZR Ye… - Nature …, 2013 - nature.com
SmB6, a well-known Kondo insulator, exhibits a transport anomaly at low temperature. This
anomaly is usually attributed to states within the hybridization gap. Recent theoretical work …

Tunability of the topological nodal-line semimetal phase in -type materials ()

MM Hosen, K Dimitri, I Belopolski, P Maldonado… - Physical Review B, 2017 - APS
The discovery of a topological nodal-line (TNL) semimetal phase in ZrSiS has invigorated
the study of other members of this family. Here, we present a comparative electronic …