Journal Article 2D magnets 2D materials 2D superconductivity 2D transition metal oxides 2D van der Waals superlattices CrI3 angstrom-confined electrochemistry atomically thin non-van der Waals materials biquadratic exchange charge density wave electronic rearrangement ferromagnets graphene graphene oxide heterobilayers indium selenide interlayer excitons magnetic domains magnetic force microscopy metastable domains monolayer‐like electronic characteristics oxygen evolution reaction photoconductivity photoluminescence semiconductors skyrmions topological spin textures transition metal dichalcogenides van der Waals crystals