Science Daily  April 29, 2024 Flat bands in 2D and layered materials with a kagome lattice enhance electronic correlations. Although theoretically predicted, correlated-electron Mott insulating phases in monolayer 2D MOFs with a kagome structure have not yet been realized experimentally. An international team of researchers (Australia, Japan) synthesised a 2D kagome MOF on a 2D insulator. It revealed a MOF electronic energy gap of ∼200 meV, consistent with dynamical mean-field theory predictions of a Mott insulator. Combining template-induced and STM probe-induced gating, they locally tuned the electron population of the MOF kagome bands and induced Mott MITs. According to the researchers their […]