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Electron doping by electrostatic gating, interfacial charge transfer, and intercalation is particularly effective in manipulating the exchange and spin\u2010orbit properties, resulting in a control of Curie temperature (\n                    <jats:italic>T<\/jats:italic>\n                    <jats:sub>C<\/jats:sub>\n                    ) and magnetic anisotropy. Here, an uncharted role of intercalation is discovered to generate magnetic frustration. As a model study, Na atoms are intercalated into the vdW gaps of pristine Cr\n                    <jats:sub>2<\/jats:sub>\n                    Ge\n                    <jats:sub>2<\/jats:sub>\n                    Te\n                    <jats:sub>6<\/jats:sub>\n                    (CGT) where generated magnetic frustration leads to emerging spin\u2010glass states coexisting with a ferromagnetic order. A series of dynamic magnetic susceptibility measurements\/analysis confirms the formation of magnetic clusters representing slow dynamics with a distribution of relaxation times. The intercalation also modifies other macroscopic physical parameters including the significant enhancement of\n                    <jats:italic>T<\/jats:italic>\n                    <jats:sub>C<\/jats:sub>\n                    from 66 to 240\u00a0K and the switching of magnetic easy\u2010hard axis direction. This study identifies intercalation as a unique route to generate emerging frustrated spin states in simple vdW crystals.\n                  <\/jats:p>","DOI":"10.1002\/adma.202400270","type":"journal-article","created":{"date-parts":[[2024,7,22]],"date-time":"2024-07-22T05:00:47Z","timestamp":1721624447000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Spin\u2010Glass States Generated in a van der Waals Magnet by Alkali\u2010Ion Intercalation"],"prefix":"10.1002","volume":"36","author":[{"given":"Safe","family":"Khan","sequence":"first","affiliation":[{"name":"London Centre for Nanotechnology University College London  London WC1H 0AH UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eva S. 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