Abstract
Ba2NdFeNb4O15 tetragonal tungsten bronze (TTB)/BaFe12O19 (BaM) hexaferrite bilayers have been grown by RF magnetron sputtering on Pt/TiO2/SiO2/Si (PtS) substrates. The BaM layer is textured along (001) while the TTB layer is multioriented regardless of the PtS or BaM/PtS substrate. Dielectric properties of TTB films are similar to those of bulk, i.e., ε∼150 and a magnetic hysteresis loop is obtained from TTB/BaM bilayers, thanks to the BaM component. This demonstrates the possibility of transferring to 2 dimensional structures the composite multiferroic system TTB/BaM previously identified in 3 dimensional bulk ceramics.
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