{"id":986,"date":"2026-02-25T10:31:37","date_gmt":"2026-02-25T10:31:37","guid":{"rendered":"https:\/\/r8993.hemsida.eu\/swedness\/?post_type=project&#038;p=986"},"modified":"2026-03-18T12:56:00","modified_gmt":"2026-03-18T12:56:00","slug":"low-dimensional-systems-order-and-disorder-on-the-quantum-scale","status":"publish","type":"project","link":"https:\/\/r8993.hemsida.eu\/swedness\/projects\/low-dimensional-systems-order-and-disorder-on-the-quantum-scale\/","title":{"rendered":"Low Dimensional Systems: Order and Disorder on the Quantum Scale"},"content":{"rendered":"\n<p>This project explored emergent quantum phenomena in&nbsp;<strong>low-dimensional materials<\/strong>, where reduced dimensionality gives rise to unique interactions between superconductivity, magnetism, and charge order. Using a combination of&nbsp;<strong>neutron scattering<\/strong><strong>,<\/strong><strong>&nbsp;<\/strong><strong>muon spin rotation (\u00b5SR)<\/strong>, and&nbsp;<strong>X-ray scattering<\/strong>, the research investigated materials including&nbsp;<strong>transition-metal dichalcogenides<\/strong>&nbsp;and&nbsp;<strong>low-dimensional magnetic systems<\/strong>.<\/p>\n\n\n\n<p>In the superconducting compounds&nbsp;<strong>1T-TiSe<\/strong><strong>\u2082<\/strong>&nbsp;and&nbsp;<strong>2H-TaS<\/strong><strong>\u2082<\/strong>, the studies identified a&nbsp;<strong>multi-gap superconducting state<\/strong>&nbsp;and unconventional&nbsp;<strong>charge density wave behavior<\/strong>, including the first observation of a&nbsp;<strong>Kohn anomaly<\/strong>&nbsp;in 2H-TaS\u2082. In the magnetic systems&nbsp;<strong>CuF<\/strong><strong>\u2082<\/strong><strong>(D<\/strong><strong>\u2082<\/strong><strong>O)<\/strong><strong>\u2082<\/strong><strong>(pyz)<\/strong>&nbsp;and&nbsp;<strong>(C<\/strong><strong>\u2085<\/strong><strong>H<\/strong><strong>\u2089<\/strong><strong>NH<\/strong><strong>\u2083<\/strong><strong>)<\/strong><strong>\u2082<\/strong><strong>CuBr<\/strong><strong>\u2084<\/strong>, neutron and muon experiments revealed field-induced magnetic excitations and a&nbsp;<strong>pressure-driven transition<\/strong>&nbsp;from antiferromagnetic to ferromagnetic order.<\/p>\n\n\n\n<p>By connecting experimental results with theoretical modelling, this work provided new insight into&nbsp;<strong>quantum phase transitions and collective excitations<\/strong>&nbsp;in correlated electron systems, advancing the understanding of how&nbsp;<strong>dimensionality and symmetry<\/strong>&nbsp;govern the behavior of materials at the quantum scale.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PhD: Frank Elson, KTH Royal Institute of Technology (2025)<\/p>\n","protected":false},"featured_media":0,"template":"","project_category":[50],"research_theme":[39],"class_list":["post-986","project","type-project","status-publish","hentry","project_category-former","research_theme-basic-chemistry-physics"],"acf":[],"_links":{"self":[{"href":"https:\/\/r8993.hemsida.eu\/swedness\/wp-json\/wp\/v2\/project\/986","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/r8993.hemsida.eu\/swedness\/wp-json\/wp\/v2\/project"}],"about":[{"href":"https:\/\/r8993.hemsida.eu\/swedness\/wp-json\/wp\/v2\/types\/project"}],"version-history":[{"count":1,"href":"https:\/\/r8993.hemsida.eu\/swedness\/wp-json\/wp\/v2\/project\/986\/revisions"}],"predecessor-version":[{"id":987,"href":"https:\/\/r8993.hemsida.eu\/swedness\/wp-json\/wp\/v2\/project\/986\/revisions\/987"}],"wp:attachment":[{"href":"https:\/\/r8993.hemsida.eu\/swedness\/wp-json\/wp\/v2\/media?parent=986"}],"wp:term":[{"taxonomy":"project_category","embeddable":true,"href":"https:\/\/r8993.hemsida.eu\/swedness\/wp-json\/wp\/v2\/project_category?post=986"},{"taxonomy":"research_theme","embeddable":true,"href":"https:\/\/r8993.hemsida.eu\/swedness\/wp-json\/wp\/v2\/research_theme?post=986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}