skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Dirac nodal lines and large spin Hall effect in the 6 H -perovskite iridate Ba 3 TiIr 2 O 9

Journal Article · · Physical Review. B

Nodal line semimetals with symmetry protected band structure offer a platform for the investigation of a number of emerging quantum phenomena. Using first-principles calculation combined with symmetry analysis, we demonstrate that Ba3TiIr2O9 hosts a Dirac nodal line (DNL) along the A-L direction of the Brillouin zone, protected by the glide reflection symmetry. In the presence of the spin-orbit coupling, even though the DNL along the A-L direction is protected, DNLs along other directions as well as multiple nodal loops present in the system gap out. The gapped out Dirac nodal loops act as a source of spin Berry curvature, resulting in a large spin Hall conductivity (≈300 $$^h_{\bar{e}}$$ Ω–1 cm–1). This suggests the possible application of the material as a spin current detector.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); Univ. of Missouri, Columbia, MO (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; USDOE
Grant/Contract Number:
FG02-00ER45818
OSTI ID:
1577660
Alternate ID(s):
OSTI ID: 1560313
Journal Information:
Physical Review. B, Vol. 100, Issue 11; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 13 works
Citation information provided by
Web of Science

References (35)

Generalized Gradient Approximation Made Simple journal October 1996
Crystal structures and magnetic properties of 6H-perovskite-type oxides Ba3MIr2O9 (M=Mg, Ca, Sc, Ti, Zn, Sr, Zr, Cd and In) journal August 2006
Weyl semimetals, Fermi arcs and chiral anomalies journal October 2016
Nodal-chain metals journal August 2016
Hourglass fermions journal April 2016
Topological nodal-line fermions in spin-orbit metal PbTaSe2 journal February 2016
Nonsymmorphic cubic Dirac point and crossed nodal rings across the ferroelectric phase transition in LiOsO 3 journal May 2018
Double crystallographic groups and their representations on the Bilbao Crystallographic Server journal September 2017
Quasitopological electromagnetic response of line-node semimetals journal February 2017
Topological Hourglass Dirac Semimetal in the Nonpolar Phase of Ag 2 BiO 3 journal November 2018
Topological nodal line semimetals with and without spin-orbital coupling journal August 2015
Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set journal October 1996
Möbius topological superconductivity in UPt 3 journal June 2017
Dielectric constants of Ir, Ru, Pt, and IrO 2 : Contributions from bound charges journal November 2006
Symmetry-imposed shape of linear response tensors journal October 2015
Symmetry demanded topological nodal-line materials journal January 2018
Topological nodal semimetals journal December 2011
Spin–orbit coupling driven novel magnetism in d 5 6H-perovskite iridates Ba 3 IrTi 2 O 9 and Ba 3 TiIr 2 O 9 journal March 2019
Z 2 topology in nonsymmorphic crystalline insulators: Möbius twist in surface states journal April 2015
Topological transport in Dirac nodal-line semimetals journal April 2018
Long-range Coulomb interaction in nodal-ring semimetals journal January 2016
Dirac nodal lines and induced spin Hall effect in metallic rutile oxides journal June 2017
Electronic structure and spin-orbit driven magnetism in d 4.5 insulator Ba 3 YIr 2 O 9 journal November 2015
Muffin-tin orbitals of arbitrary order journal December 2000
Origin of the Spin-Orbital Liquid State in a Nearly J = 0 Iridate Ba 3 ZnIr 2 O 9 journal March 2016
Spin Hall Effect journal August 1999
From Nodal Chain Semimetal to Weyl Semimetal in HfC journal July 2017
Topological semimetal and Fermi-arc surface states in the electronic structure of pyrochlore iridates journal May 2011
Spin hall Effect journal April 2006
From Nodal Chain Semimetal To Weyl Semimetal in HfC text January 2017
Topological transport in Dirac nodal-line semimetals text January 2017
Symmetry Demanded Topological Nodal-line Materials text January 2017
Nonsymmorphic cubic Dirac point and crossed nodal rings across the ferroelectric phase transition in LiOsO$_3$ text January 2018
Muffin Tin Orbitals of Arbitrary Order text January 2000
Spin Hall effect text January 1999

Cited By (3)

Study of nontrivial magnetism in 3 d 5 d transition metal based double perovskites journal February 2020
Intrinsic orbital and spin Hall effects in monolayer transition metal dichalcogenides journal July 2020
Study of Nontrivial Magnetism in 3$d$-5$d$ Transition Metal based Double Perovskites text January 2020