{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:42:22Z","timestamp":1788223342365,"version":"build-2803163510"},"reference-count":46,"publisher":"IOP Publishing","issue":"13","license":[{"start":{"date-parts":[[2025,2,6]],"date-time":"2025-02-06T00:00:00Z","timestamp":1738800000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/page\/copyright"},{"start":{"date-parts":[[2025,2,6]],"date-time":"2025-02-06T00:00:00Z","timestamp":1738800000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["J. Phys.: Condens. Matter"],"published-print":{"date-parts":[[2025,3,31]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Magnetic systems, wherein competing degree of freedoms arising from spin orbit coupling and crystal electric field lead to non-trivial magnetic ground states, remains in the forefront of research in condensed matter physics. Here, we present a comprehensive investigation on three-dimensional rare-earth based spin systems NdTaO<jats:sub>4<\/jats:sub> and NdNbO<jats:sub>4<\/jats:sub>, where the Nd ions sit on a stretched diamond lattice. No signatures of long-range ordering and spin freezing are observed down to 1.8 K, in both cases. The low temperature Curie\u2013Weiss analysis indicate towards the dominance of antiferromagnetic interactions between Nd spins. A three-level CEF model clearly explain the nature of susceptibility curve. At low temperatures, heat capacity data exhibit two-level Schottky anomaly associated with ground state Kramer\u2019s doublet. Additionally, the low temperature magnetic behaviour is found reliable to effective spin (<jats:italic>J<\/jats:italic>\n                  <jats:sub>eff<\/jats:sub>) = \u00bd ground state, suggesting the presence of quantum fluctuations in both cases. First-principle calculations reveal a significant value of orbital moment with inclusion of spin orbit coupling and reinforce the <jats:italic>J<\/jats:italic>\n                  <jats:sub>eff<\/jats:sub> = \u00bd nature of the ground state.<\/jats:p>","DOI":"10.1088\/1361-648x\/adaf66","type":"journal-article","created":{"date-parts":[[2025,1,28]],"date-time":"2025-01-28T22:56:51Z","timestamp":1738105011000},"page":"135803","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Probing the magnetic ground state of stretched diamond lattices NdTaO<sub>4<\/sub> and NdNbO<sub>4<\/sub>: impact of spin\u2013orbit coupling and crystal electric field"],"prefix":"10.1088","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8202-2195","authenticated-orcid":true,"given":"Jogendra","family":"Kumar","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6105-000X","authenticated-orcid":true,"given":"Vinod Kumar","family":"Solet","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8006-3367","authenticated-orcid":true,"given":"Dheeraj","family":"Ranaut","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3673-4818","authenticated-orcid":true,"given":"Sudhir K","family":"Pandey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7965-4503","authenticated-orcid":true,"given":"K","family":"Mukherjee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2025,2,6]]},"reference":[{"key":"cmadaf66bib1","doi-asserted-by":"publisher","first-page":"453","DOI":"10.1146\/annurev.ms.24.080194.002321","volume":"24","author":"Ramirez","year":"1994","journal-title":"Annu. 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All rights, including for text and data mining, AI training, and similar technologies, are reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2024-11-01","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2025-01-28","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2025-02-06","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}