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TbInO\n                    <jats:sub>3<\/jats:sub>\n                    , a hexagonal perovskite, shows QSL behaviour due to geometrical frustration and strong spin\u2013orbit coupling present in it. Here, we report the strain-driven modification of the magnetic ground state and the enhancement of magnetic frustration at milli-Kelvin (mK) temperature (\n                    <jats:inline-formula>\n                      <jats:tex-math>\n                        \n                      <\/jats:tex-math>\n                      <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" overflow=\"scroll\">\n                        <mml:mrow>\n                          <mml:mo>&lt;<\/mml:mo>\n                        <\/mml:mrow>\n                      <\/mml:math>\n                    <\/jats:inline-formula>\n                    1\u2009K) in the TbInO\n                    <jats:sub>3<\/jats:sub>\n                    epitaxial thin film, grown on MgO (100) substrate. We observe a Curie\u2013Weiss crossover at 1\u201330\u2009K temperature, strong antiferromagnetic interactions, along with the absence of long-range ordering down to 400\u2009mK, consistent with a QSL ground state. Notably, the thin film exhibits a significantly enhanced effective moment in the mK range compared to the bulk, attributed to strain-induced modification of the exchange pathway among Tb\n                    <jats:sup>3+<\/jats:sup>\n                    ions. This impact broadens the QSL state\u2019s temperature range to lower temperatures and enhances magnetic frustration in the temperature-field phase space. Further, the first-principles calculation also supports the enhancement of frustration in thin film. These findings demonstrate that strain-induced tuning of exchange interactions can enhance the magnetic frustration, offering a route to stabilise QSL phases down to lower temperatures in hexagonal perovskite thin films.\n                  <\/jats:p>","DOI":"10.1088\/1361-6528\/ae5660","type":"journal-article","created":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T22:48:31Z","timestamp":1774392511000},"page":"155001","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Strain-driven enhancement of magnetic frustration in quantum spin-liquid TbInO\n                    <sub>3<\/sub>\n                    thin films"],"prefix":"10.1088","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-6016-0387","authenticated-orcid":false,"given":"Riya","family":"Pathak","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4944-0624","authenticated-orcid":false,"given":"Manisha","family":"Bansal","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-7031-9754","authenticated-orcid":true,"given":"Saikarthikey","family":"Bhat","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-4326-2537","authenticated-orcid":true,"given":"Bipin","family":"Babu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1073-6578","authenticated-orcid":false,"given":"Souvik","family":"Paul","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4386-1006","authenticated-orcid":true,"given":"Tuhin","family":"Maity","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"266","published-online":{"date-parts":[[2026,4,15]]},"reference":[{"key":"nanoae5660bib1","doi-asserted-by":"publisher","first-page":"453","DOI":"10.1146\/annurev.ms.24.080194.002321","type":"journal-article","article-title":"Strongly geometrically frustrated magnets","volume":"24","author":"Ramirez","year":"1994","journal-title":"Annu. 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