eprintid: 10134049
rev_number: 14
eprint_status: archive
userid: 608
dir: disk0/10/13/40/49
datestamp: 2022-03-22 14:05:32
lastmod: 2022-03-22 14:05:32
status_changed: 2022-03-22 14:05:32
type: article
metadata_visibility: show
creators_name: Boseggia, S
creators_name: Springell, R
creators_name: Walker, HC
creators_name: Ronnow, HM
creators_name: Rueegg, C
creators_name: Okabe, H
creators_name: Isobe, M
creators_name: Perry, RS
creators_name: Collins, SP
creators_name: McMorrow, DF
title: Robustness of Basal-Plane Antiferromagnetic Order and the J(eff)=1/2 State in Single-Layer Iridate Spin-Orbit Mott Insulators
ispublished: pub
divisions: UCL
divisions: B04
divisions: C06
divisions: F64
note: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
abstract: The magnetic structure and electronic ground state of the layered perovskite 
Ba
2
IrO
4
 have been investigated using x-ray resonant magnetic scattering. Our results are compared with those for 
Sr
2
IrO
4
, for which we provide supplementary data on its magnetic structure. We find that the dominant, long-range antiferromagnetic order is remarkably similar in the two compounds and that the electronic ground state in 
Ba
2
IrO
4
, deduced from an investigation of the x-ray resonant magnetic scattering 
L
3
/
L
2
 intensity ratio, is consistent with a 
J
eff
=
1
/
2
 description. The robustness of these two key electronic properties to the considerable structural differences between the Ba and Sr analogues is discussed in terms of the enhanced role of the spin-orbit interaction in 
5
d
 transition metal oxides.
date: 2013-03-13
date_type: published
publisher: AMER PHYSICAL SOC
official_url: https://doi.org/10.1103/PhysRevLett.110.117207
oa_status: green
full_text_type: other
language: eng
primo: open
primo_central: open_green
verified: verified_manual
elements_id: 840127
doi: 10.1103/PhysRevLett.110.117207
lyricists_name: McMorrow, Desmond
lyricists_name: Perry, Robin
lyricists_id: DFMCM17
lyricists_id: RPERR46
actors_name: Perry, Robin
actors_id: RPERR46
actors_role: owner
full_text_status: public
publication: Physical Review Letters
volume: 110
number: 11
article_number: 117207
pages: 5
citation:        Boseggia, S;    Springell, R;    Walker, HC;    Ronnow, HM;    Rueegg, C;    Okabe, H;    Isobe, M;             ... McMorrow, DF; + view all <#>        Boseggia, S;  Springell, R;  Walker, HC;  Ronnow, HM;  Rueegg, C;  Okabe, H;  Isobe, M;  Perry, RS;  Collins, SP;  McMorrow, DF;   - view fewer <#>    (2013)    Robustness of Basal-Plane Antiferromagnetic Order and the J(eff)=1/2 State in Single-Layer Iridate Spin-Orbit Mott Insulators.                   Physical Review Letters , 110  (11)    , Article 117207.  10.1103/PhysRevLett.110.117207 <https://doi.org/10.1103/PhysRevLett.110.117207>.       Green open access   
 
document_url: https://discovery.ucl.ac.uk/id/eprint/10134049/1/1212.5912v1.pdf