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Title: Dirac node arcs in PtSn4

Journal Article · · Nature Physics
DOI:https://doi.org/10.1038/nphys3712· OSTI ID:1253756

In topological quantum materials1,2,3 the conduction and valence bands are connected at points or along lines in the momentum space. A number of studies have demonstrated that several materials are indeed Dirac/Weyl semimetals4,5,6,7,8. However, there is still no experimental confirmation of materials with line nodes, in which the Dirac nodes form closed loops in the momentum space2,3. Here we report the discovery of a novel topological structure—Dirac node arcs—in the ultrahigh magnetoresistive material PtSn4 using laser-based angle-resolved photoemission spectroscopy data and density functional theory calculations. Unlike the closed loops of line nodes, the Dirac node arc structure arises owing to the surface states and resembles the Dirac dispersion in graphene that is extended along a short line in the momentum space. Here, we propose that this reported Dirac node arc structure is a novel topological state that provides an exciting platform for studying the exotic properties of Dirac fermions.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-07CH11358
OSTI ID:
1253756
Report Number(s):
IS-J-8943; nphys3712
Journal Information:
Nature Physics, Vol. 88, Issue 1-2; ISSN 1745-2473
Publisher:
Nature Publishing Group (NPG)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 202 works
Citation information provided by
Web of Science

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Cited By (59)

Dirac Nodal Arc Semimetal PtSn 4 : An Ideal Platform for Understanding Surface Properties and Catalysis for Hydrogen Evolution journal August 2019
Transport evidence of 3D topological nodal-line semimetal phase in ZrSiS journal July 2017
Topological quantum catalyst: Dirac nodal line states and a potential electrocatalyst of hydrogen evolution in the TiSi family journal December 2017
Thermoelectric quantum oscillations in ZrSiS journal May 2017
Spectroscopic evidence for a type II Weyl semimetallic state in MoTe2 journal July 2016
Unconventional mass enhancement around the Dirac nodal loop in ZrSiS journal November 2017
Experimental realization of two-dimensional Dirac nodal line fermions in monolayer Cu2Si journal October 2017
Distinct multiple fermionic states in a single topological metal journal August 2018
Observation of Dirac-like energy band and ring-torus Fermi surface associated with the nodal line in topological insulator CaAgAs journal January 2018
Visualizing electronic structures of quantum materials by angle-resolved photoemission spectroscopy journal August 2018
Nearly massless Dirac fermions hosted by Sb square net in BaMnSb2 journal July 2016
Coexistence of open and closed type nodal line topological semimetals in two dimensional B 2 C journal January 2018
Discovery of a novel spin-polarized nodal ring in a two-dimensional HK lattice journal January 2018
Extremely large magnetoresistance in the nonmagnetic semimetal YBi journal January 2018
Strong anisotropic nodal lines in the TiBe family journal January 2019
Efficient hydrogen evolution reaction with platinum stannide PtSn 4 via surface oxidation journal January 2020
Out-of-plane transport in ZrSiS and ZrSiSe microstructures journal October 2019
First-principles study of structural, mechanical, lattice dynamical and thermal properties of nodal-line semimetals ZrXY (X=Si,Ge; Y=S,Se) journal October 2016
Topological nature of the node-arc semimetal PtSn 4 probed by de Haas-van Alphen quantum oscillations journal March 2018
Emergence of topological phases by stacking of two-dimensional lattices with nonsymmorphic symmetry journal December 2018
New materials physics journal November 2019
Surface termination dependent quasiparticle scattering interference and magneto-transport study on ZrSiS journal October 2018
New type of hybrid nodal line semimetal in Be 2 Si journal March 2019
Straight nodal lines and waterslide surface states observed in acoustic metacrystals journal July 2019
Quantum oscillations and nontrivial topological state in a compensated semimetal TaP 2 journal September 2019
Dual topological insulator and insulator-semimetal transition in mirror-symmetric honeycomb materials journal November 2019
Impurity-induced resonant states in topological nodal-line semimetals journal November 2019
Plateaus of quantized conductance with high steps in topological nodal-line semimetals journal January 2020
Tunable point nodes from line-node semimetals via application of light journal July 2016
Photovoltaic anomalous Hall effect in line-node semimetals journal October 2016
Two-dimensional topological nodal line semimetal in layered X 2 Y ( X = Ca , Sr, and Ba; Y = As , Sb, and Bi) journal June 2017
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Extreme magnetoresistance in the topologically trivial lanthanum monopnictide LaAs journal December 2017
Dynamics of out-of-equilibrium electron and hole pockets in the type-II Weyl semimetal candidate WTe 2 journal March 2018
Floquet Weyl semimetals in light-irradiated type-II and hybrid line-node semimetals journal April 2018
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Dynamical conductivity in the topological nodal-line semimetal ZrSiS journal September 2018
Probing the origin of extreme magnetoresistance in Pr/Sm mono-antimonides/bismuthides journal January 2019
Non-Hermitian nodal-line semimetals with an anomalous bulk-boundary correspondence journal February 2019
Quantum impurity in topological multi-Weyl semimetals journal March 2019
Butterfly magnetoresistance, quasi-2D Dirac Fermi surface and topological phase transition in ZrSiS journal December 2016
Electronic Structure and Electronic Properties of PtSn4 Single Crystal journal June 2019
Quantum transport in topological semimetals under magnetic fields (II) journal April 2019
A magnetic topological semimetal Sr1−yMn1−zSb2 (y, z < 0.1) journal July 2017
Strong Intrinsic Spin Hall Effect in the TaAs Family of Weyl Semimetals journal September 2016
Thermoelectric quantum oscillations in ZrSiS. journalarticle January 2017
Spectroscopic evidence for type II Weyl semimetal state in MoTe2 text January 2016
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Tunable point nodes from line node semimetals via application of light text January 2016
Thermoelectric quantum oscillations in ZrSiS text January 2017
Antiferromagnetic Topological Nodal Line Semimetals text January 2017
Flat optical conductivity in ZrSiS due to two-dimensional Dirac bands text January 2017
Surface and 3D quantum Hall effects from engineering of exceptional points in nodal-line semimetals text January 2017
Distinct multiple fermionic states in a single topological metal text January 2017
Observation of Gapless Dirac Surface States in ZrGeTe text January 2017
Rules for Phase Shifts of Quantum Oscillations in Topological Nodal-line Semimetals text January 2018
Extreme magnetoresistance in the topologically trivial lanthanum monopnictide LaAs text January 2018
Fragility of Fermi arcs in Dirac semimetals text January 2019
Three-Dimensional Anisotropic Magnetoresistance in the Dirac Node-Line Material ZrSiSe preprint January 2017

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