%0 Journal Article %K Thin films %K Composition %K Fabrication %K Cobalt compounds %K Ferromagnetism %K Ferroelectric materials %K Permittivity %K Magnetization %K Heterojunctions %K Piezoelectric materials %K Magnetoelectric effects %K Barium compounds %K Nanometers %K Layered composites %K Multilayered structures %K Piezoelectric phases %K Quantum interference devices %A K.-S Chang %A M.A Aronova %A C.-L Lin %A M Murakami %A M.-H Yu %A J R Hattrick-Simpers %A O.O Famodu %A S.Y Lee %A Ramamoorthy Ramesh %A M Wuttig %A I Takeuchi %A C Gao %A L.A Bendersky %B Applied Physics Letters %D 2004 %G eng %P 3091-3093 %R 10.1063/1.1699474 %T Exploration of artificial multiferroic thin-film heterostructures using composition spreads %V 84