Istituto per lo Studio dei Materiali Nanostrutturati     
Arisi E., Bergenti I., Cavallini M., Riminucci A., Ruani G., Dediu V., Ghidini M., Pernechele C., Solzi M. Direct deposition of magnetite thin films on organic semiconductors. In: Applied Physics Letters, vol. 93 article n. 113305. American Institute of Physics AIP, 2008.
Technological procedures able to produce high quality electrodes from magnetic oxides in vertical organic-inorganic hybrid devices is a challenging task in the field of organic spintronics. Thin films of magnetite =Fe3O4 have been successfully grown directly on top of organic semiconductor layers, tris=8-hydroxyquinoline aluminium=III =Alq3 , by pulsed-electron ablation technique. The films show ferromagnetic behavior and good structural quality, properties detected by magneto-optical Kerr effect, superconductor quantum interference device, micro-Raman spectroscopy, and Atomic Force Microscopy. The ferromagnetic behavior persists even for 10 nm thick films. Charge injection at magnetite-organic interface has been finally demonstrated by detecting electroluminescence from Alq3.
URL: http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=APPLAB000093000011113305000001&idtype=cvips&prog=normal
DOI: 10.1063/1.2936290
Subject magnetite
organic semiconductor

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