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Herein, we report a silicotungstate\u2010templated, 2D cyanoferrate coordination polymer and its four isostructural Zn\n                    <jats:sup>2+<\/jats:sup>\n                    \u2010diluted analogs, {(SiW\n                    <jats:sub>12<\/jats:sub>\n                    O\n                    <jats:sub>40<\/jats:sub>\n                    )@[TpFe(CN)\n                    <jats:sub>3<\/jats:sub>\n                    ]\n                    <jats:sub>2<\/jats:sub>\n                    Fe\n                    <jats:sub>3\u2010<\/jats:sub>\n                    <jats:italic>\n                      <jats:sub>x<\/jats:sub>\n                    <\/jats:italic>\n                    Zn\n                    <jats:italic>\n                      <jats:sub>x<\/jats:sub>\n                    <\/jats:italic>\n                    (MeOH)\n                    <jats:sub>6<\/jats:sub>\n                    \u22196MeOH}\n                    <jats:italic>\n                      <jats:sub>n<\/jats:sub>\n                    <\/jats:italic>\n                    (Tp = Tri(pyrazolyl)borate;\n                    <jats:bold>1<\/jats:bold>\n                    \u2013\n                    <jats:bold>5<\/jats:bold>\n                    ,\n                    <jats:italic>x<\/jats:italic>\n                    = 0\u20133). The neutral hybrid layers adopt a cyanide\u2010bridged honeycomb topology, with (SiW\n                    <jats:sub>12<\/jats:sub>\n                    O\n                    <jats:sub>40<\/jats:sub>\n                    )\n                    <jats:sup>4\u2013<\/jats:sup>\n                    anions located in the cavities and interlayer metal\u2010to\u2010metal separations exceeding 10 \u00c5. Magnetic study revealed that\n                    <jats:bold>1<\/jats:bold>\n                    (\n                    <jats:italic>x<\/jats:italic>\n                    = 0) behaves as a metamagnet with an ordering temperature of 15.5 K, featuring intralayer ferromagnetic and interlayer antiferromagnetic coupling. Remarkably, Zn\n                    <jats:sup>2+<\/jats:sup>\n                    doping disrupts the 2D magnetic layer, triggering a dimensional crossover in magnetism. As a result, compounds\n                    <jats:bold>2<\/jats:bold>\n                    (\n                    <jats:italic>x<\/jats:italic>\n                    = 0.41) and\n                    <jats:bold>3<\/jats:bold>\n                    (\n                    <jats:italic>x<\/jats:italic>\n                    = 0.93) exhibit slow relaxation of the magnetization, suggesting a superparamagnetic behavior, with effective energy barriers of 40.9 and 46.3 K, respectively. This transition from 2D to lower\u2010dimensional magnetism arises from a fragmentation of the honeycomb network into isolated spin chains (clusters) via metal\u2010ion dilution. Such a metal\u2010doping\u2010induced \u201ctop\u2010down\u201d transformation of magnetic dimensionality provides a novel alternative to conventional bottom\u2010up synthetic strategies for engineering low\u2010dimensional magnetic materials.\n                  <\/jats:p>","DOI":"10.1002\/smll.74577","type":"journal-article","created":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T09:59:43Z","timestamp":1784887183000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Tuning Magnetic Dimensionality via Metal\u2010Ion Dilution in a Polyoxometalate\u2010Templated 2D Framework"],"prefix":"10.1002","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8968-9996","authenticated-orcid":false,"given":"Zi\u2010Yi","family":"Chen","sequence":"first","affiliation":[{"name":"School of Chemistry Southwest Jiaotong University  Chengdu China"},{"name":"Department of Chemistry Southern University of Science and Technology (SUSTech)  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yue","family":"Cheng","sequence":"additional","affiliation":[{"name":"Department of Chemistry Southern University of Science and Technology (SUSTech)  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiong","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Chemistry Southern University of Science and Technology (SUSTech)  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi\u2010Fei","family":"Deng","sequence":"additional","affiliation":[{"name":"Department of Chemistry Southern University of Science and Technology (SUSTech)  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin\u2010Yi","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures School of Chemistry and Chemical Engineering Nanjing University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuan\u2010Zhu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Chemistry Southern University of Science and Technology (SUSTech)  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,24]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.aar4851"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.aax8156"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41566-022-00970-8"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsnano.1c09150"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.128.217203"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.17.1133"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature22391"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature22060"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201903779"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.8b07879"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.8b13584"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.7b12976"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41578\u2010019\u20100146\u20108"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.9b00666"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.4c04102"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.4c17993"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.4c10113"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41557-018-0113-9"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.1c07802"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41557-021-00695-1"},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0010-8545(01)00375-7"},{"key":"e_1_2_9_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2020.213617"},{"key":"e_1_2_9_24_1","doi-asserted-by":"publisher","DOI":"10.1038\/nchem.1455"},{"key":"e_1_2_9_25_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-025-60401-4"},{"key":"e_1_2_9_26_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.inorgchem.3c03531"},{"key":"e_1_2_9_27_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.4c05065"},{"key":"e_1_2_9_28_1","doi-asserted-by":"publisher","DOI":"10.1002\/advs.202402884"},{"key":"e_1_2_9_29_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202301124"},{"key":"e_1_2_9_30_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202115367"},{"key":"e_1_2_9_31_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202008051"},{"key":"e_1_2_9_32_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.inorgchem.1c02922"},{"key":"e_1_2_9_33_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.5c04995"},{"key":"e_1_2_9_34_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.2c13697"},{"key":"e_1_2_9_35_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.3c12905"},{"key":"e_1_2_9_36_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.5b11924"},{"key":"e_1_2_9_37_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.4c14013"},{"key":"e_1_2_9_38_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.5c12985"},{"key":"e_1_2_9_39_1","doi-asserted-by":"publisher","DOI":"10.1002\/asia.201200139"},{"key":"e_1_2_9_40_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.86.163"},{"key":"e_1_2_9_41_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.116.257203"},{"key":"e_1_2_9_42_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.128.237201"},{"key":"e_1_2_9_43_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevMaterials.7.014407"},{"key":"e_1_2_9_44_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.102.167204"}],"container-title":["Small"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/smll.74577","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/smll.74577","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/smll.74577","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T12:40:54Z","timestamp":1788784854000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/smll.74577"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7,24]]},"references-count":43,"journal-issue":{"issue":"50","published-print":{"date-parts":[[2026,9]]}},"alternative-id":["10.1002\/smll.74577"],"URL":"https:\/\/doi.org\/10.1002\/smll.74577","archive":["Portico"],"relation":{},"ISSN":["1613-6810","1613-6829"],"issn-type":[{"va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