{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T10:36:20Z","timestamp":1790073380005,"version":"4.0.1"},"reference-count":47,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2025,1,9]],"date-time":"2025-01-09T00:00:00Z","timestamp":1736380800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"European Research Council (ERC)","award":["101019522"],"award-info":[{"award-number":["101019522"]}]},{"name":"China Scholarship Council","award":["101019522"],"award-info":[{"award-number":["101019522"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>Spin crossover (SCO) iron (II) coordination compounds in the form of nanohybrid SCO@SiO2 particles were prepared using a reverse micelles technique based on the TritonX-100\/cyclohexane\/water ternary system. Tetraethyl orthosilicate (TEOS) acts as precursor of both the SiF62\u2212 counter-anion and SiO2 to obtain Fe(NH2trz)3(BF4)2\u2212x(SiF6)x\/2@SiO2 nanoparticles with different sizes and morphologies while modifying the TEOS concentration and reaction time. The adjustable mixed-anion strategy leads to a range of quite scarce abrupt spin crossover behaviors with hysteresis just above room temperature (ca. 293 K), which is very promising for the integration of these materials into functional devices.<\/jats:p>","DOI":"10.3390\/nano15020090","type":"journal-article","created":{"date-parts":[[2025,1,9]],"date-time":"2025-01-09T07:59:42Z","timestamp":1736409582000},"page":"90","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Various Sizes and Shapes of Mixed-Anion Fe(NH2trz)3(BF4)2\u2212x(SiF6)x\/2@SiO2 Nanohybrid Particles Undergoing Spin Crossover Just Above Room Temperature"],"prefix":"10.3390","volume":"15","author":[{"given":"Xinyu","family":"Yang","sequence":"first","affiliation":[{"name":"Laboratoire de Chimie de Coordination, CNRS & Universit\u00e9 de Toulouse (UPS, INP), 31077 Toulouse, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5129-063X","authenticated-orcid":false,"given":"Rafal","family":"Bielas","sequence":"additional","affiliation":[{"name":"Laboratoire de Chimie de Coordination, CNRS & Universit\u00e9 de Toulouse (UPS, INP), 31077 Toulouse, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincent","family":"Colli\u00e8re","sequence":"additional","affiliation":[{"name":"Laboratoire de Chimie de Coordination, CNRS & Universit\u00e9 de Toulouse (UPS, INP), 31077 Toulouse, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8064-8960","authenticated-orcid":false,"given":"Lionel","family":"Salmon","sequence":"additional","affiliation":[{"name":"Laboratoire de Chimie de Coordination, CNRS & Universit\u00e9 de Toulouse (UPS, INP), 31077 Toulouse, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Azzedine","family":"Bousseksou","sequence":"additional","affiliation":[{"name":"Laboratoire de Chimie de Coordination, CNRS & Universit\u00e9 de Toulouse (UPS, INP), 31077 Toulouse, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,1,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Halcrow, M.A. (2013). 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