%0 Journal Article %K Nanostructured materials %K Hysteresis %K Heterostructures %K Domain walls %K Ferroelectric materials %K Multiferroic %K Exchange bias %K Ferroelectricity %K Ferroelectric domains %K X-ray crystallography %K Dichroism %K Coercive force %K Cobalt %K Magnetic domains %K Semiconducting bismuth compounds %K Domain structures %K Nanoscale controls %K Piezoresponse force microscopies %K Magnetic thin films %K Crystals %K Coercive fields %K Exchange enhancements %K Large shifts %K Nanoscale %K X-ray magnetic circular dichroisms %A L.W Martin %A Y.-H Chu %A M.B Holcomb %A M Huijben %A P Yu %A S.-J Han %A D Lee %A S.X Wang %A Ramamoorthy Ramesh %B Nano Letters %D 2008 %G eng %P 2050-2055 %R 10.1021/nl801391m %T Nanoscale control of exchange bias with BiFeO 3 thin films %V 8