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The J(eff)=1/2 insulator Sr3Ir2O7 studied by means of angle-resolved photoemission spectroscopy
KTH, School of Information and Communication Technology (ICT), Material Physics (Closed 20120101), Material Physics, MF (Closed 20120101).ORCID iD: 0000-0002-8216-5321
KTH, School of Information and Communication Technology (ICT), Material Physics (Closed 20120101), Material Physics, MF (Closed 20120101).ORCID iD: 0000-0002-7833-3943
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2012 (English)In: Journal of Physics: Condensed Matter, ISSN 0953-8984, E-ISSN 1361-648X, Vol. 24, no 41, 415602- p.Article in journal (Refereed) Published
Abstract [en]

The low-energy electronic structure of the J(eff) = 1/2 spin-orbit insulator Sr3Ir2O7 has been studied by means of angle-resolved photoemission spectroscopy. A comparison of the results for bilayer Sr3Ir2O7 with available literature data for the related single-layer compound Sr2IrO4 reveals qualitative similarities and similar J(eff) = 1/2 bandwidths for the two materials, but also pronounced differences in the distribution of the spectral weight. In particular, photoemission from the J(eff) = 1/2 states appears to be suppressed. Yet, it is found that the Sr3Ir2O7 data are in overall better agreement with band-structure calculations than the data for Sr2IrO4.

Place, publisher, year, edition, pages
2012. Vol. 24, no 41, 415602- p.
Keyword [en]
Crystal-Structure, Sr2iro4
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-104360DOI: 10.1088/0953-8984/24/41/415602ISI: 000309512200014Scopus ID: 2-s2.0-84866867149OAI: oai:DiVA.org:kth-104360DiVA: diva2:564792
Funder
Knut and Alice Wallenberg FoundationSwedish Research Council
Note

QC 20121105

Available from: 2012-11-05 Created: 2012-11-01 Last updated: 2017-12-07Bibliographically approved

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Publisher's full textScopusarXiv:1207.1556

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Wojek, Bastian M.Hårdensson Berntsen, MagnusTjernberg, Oscar

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