%0 Journal Article %K Electric fields %K Crystallography %K Degrees of freedom (mechanics) %K Ground state %K Thermodynamic properties %K Coexistence of phasis %K Emergent phenomenon %K Epitaxial superlattice %K Hetero-interfaces %K Holder materials %K Oxide superlattices %K Theoretical study %K Thermodynamic variables %K Metastable phases %A Ramamoorthy Ramesh %A D.G Schlom %B Nature Reviews Materials %D 2019 %G eng %I Nature Publishing Group %P 257-268 %R 10.1038/s41578-019-0095-2 %T Creating emergent phenomena in oxide superlattices %V 4