title: Comment on "Epitaxial BiFeO3 multiferroic thin film heterostructures".
authors.affiliation: Department of Materials Science, University of Cambridge, Pembroke Street, Cambridge, CB2 3QZ, UK. we212@cam.ac.uk
authors.forename: W
authors.initials: W
authors.lastname: Eerenstein
authors.forename: F D
authors.initials: FD
authors.lastname: Morrison
authors.forename: J
authors.initials: J
authors.lastname: Dho
authors.forename: M G
authors.initials: MG
authors.lastname: Blamire
authors.forename: J F
authors.initials: JF
authors.lastname: Scott
authors.forename: N D
authors.initials: ND
authors.lastname: Mathur