{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T00:59:10Z","timestamp":1760144350735,"version":"build-2065373602"},"reference-count":51,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2024,4,11]],"date-time":"2024-04-11T00:00:00Z","timestamp":1712793600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"ELETTRA synchrotron radiation facility","award":["20200283","20205397","ARTICOLO 1, COMMI 314\u2013337 LEGGE 232\/2016","CUP B83C22002820006","CRG\/2019\/003522"],"award-info":[{"award-number":["20200283","20205397","ARTICOLO 1, COMMI 314\u2013337 LEGGE 232\/2016","CUP B83C22002820006","CRG\/2019\/003522"]}]},{"name":"Excellence Departments 2023\u20132027, MIUR","award":["20200283","20205397","ARTICOLO 1, COMMI 314\u2013337 LEGGE 232\/2016","CUP B83C22002820006","CRG\/2019\/003522"],"award-info":[{"award-number":["20200283","20205397","ARTICOLO 1, COMMI 314\u2013337 LEGGE 232\/2016","CUP B83C22002820006","CRG\/2019\/003522"]}]},{"name":"NextGenerationEU","award":["20200283","20205397","ARTICOLO 1, COMMI 314\u2013337 LEGGE 232\/2016","CUP B83C22002820006","CRG\/2019\/003522"],"award-info":[{"award-number":["20200283","20205397","ARTICOLO 1, COMMI 314\u2013337 LEGGE 232\/2016","CUP B83C22002820006","CRG\/2019\/003522"]}]},{"name":"SERB, DST","award":["20200283","20205397","ARTICOLO 1, COMMI 314\u2013337 LEGGE 232\/2016","CUP B83C22002820006","CRG\/2019\/003522"],"award-info":[{"award-number":["20200283","20205397","ARTICOLO 1, COMMI 314\u2013337 LEGGE 232\/2016","CUP B83C22002820006","CRG\/2019\/003522"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Strong spin\u2013orbit coupling (SOC) in iridates has long been predicted to lead to exotic electronic and magnetic ground states. Ba2YIrO6 (BYIO) has attracted particular attention due to the expectation of a Jeff = 0 state for Ir5+ ions under the jj-coupling scheme. However, controversies surround the actual realization of this state, as finite magnetic moments are consistently observed experimentally. We present a multi-physics study of this system by progressively introducing nonmagnetic Sb5+ ions in place of Ir5+ (Ba2YIr\u200b1\u2212ySb\u200byO\u200b6, BYISO). Despite similar charge and ionic radii, Sb\u200b5+ doping appears highly inhomogeneous, coexisting with a fraction of nearly pure BYIO regions, as confirmed by X-ray diffraction (XRD). This aligns with observations in related compounds. While inhomogeneity creates uncertainty, the doped majority phases offer valuable insights. It is relevant that the inclusion of even small amounts of Sb\u200b5+ (10\u201320%) leads to a rise in magnetization. This strengthens our previous suggestion that magnetic Ir ions form dynamic singlets in BYIO, resulting in a near-nonmagnetic background. The observed moment enhancement with nonmagnetic doping supports the breakdown of these singlets. Furthermore, the magnetization steadily increases with an increasing Sb\u200b5+ content, contradicting the anticipated approach towards the Jeff = 0 state with increased SOC due to reduced hopping between Ir\u200b5+ ions. This reinforces the presence of individual Ir\u200b5+ moments. Overall, our findings suggest that Ba\u200b2YIrO\u200b6 might not possess sufficiently strong SOC to be solely described within the jj-coupling picture, paving the way for further investigation.<\/jats:p>","DOI":"10.3390\/ma17081766","type":"journal-article","created":{"date-parts":[[2024,4,12]],"date-time":"2024-04-12T03:34:37Z","timestamp":1712892877000},"page":"1766","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Probing the Magnetic Ground State of Ba2YIrO6: Impact of Nonmagnetic Dopants and Spin\u2013Orbit Coupling"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6008-415X","authenticated-orcid":false,"given":"Shuvajit","family":"Halder","sequence":"first","affiliation":[{"name":"School of Materials Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6643-6240","authenticated-orcid":false,"given":"Md Salman","family":"Khan","sequence":"additional","affiliation":[{"name":"School of Materials Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3627-5228","authenticated-orcid":false,"given":"Fabrice","family":"Bert","sequence":"additional","affiliation":[{"name":"Laboratoire de Physique des Solides, UMR CNRS 8502, Universite Paris-Sud, 91405 Orsay, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3277-0096","authenticated-orcid":false,"given":"Payel","family":"Aich","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze, University Roma Tre, Via della Vasca Navale 84, 00146 Rome, Italy"},{"name":"LASR3 Surface Analysis Laboratory, University Roma Tre, Via della Vasca Navale 84, 00146 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4846-8422","authenticated-orcid":false,"given":"Carlo","family":"Meneghini","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze, University Roma Tre, Via della Vasca Navale 84, 00146 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7180-1241","authenticated-orcid":false,"given":"Sugata","family":"Ray","sequence":"additional","affiliation":[{"name":"School of Materials Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India"},{"name":"Technical Research Center, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,4,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"064421","DOI":"10.1103\/PhysRevB.97.064421","article-title":"Observation of heavy spin-orbit excitons propagating in a nonmagnetic background: The case of (Ba,Sr)2YIrO6","volume":"97","author":"Kusch","year":"2018","journal-title":"Phys. Rev. B"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1146\/annurev-conmatphys-031115-011319","article-title":"Spin-Orbit Physics Giving Rise to Novel Phases in Correlated Systems: Iridates and Related Materials","volume":"7","author":"Rau","year":"2016","journal-title":"Annu. Rev. Condens. 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