Electronic Structure of Zn Doped Fe3O4 Thin Films
We investigated the effect of Zn doping on the electronic property of magnetite by using optical spectroscopy. The (Zn
x
Fe1−x
)Fe2O4 (ZFFO) (x = 0, 0.2, 0.4, and 0.5) samples were prepared by PLD technique. The XRD
measurement revealed that all the samples have an inverse spinel-type of crystalline structure. The M–H curves indicate that the saturation magnetization reduces with the increasing x. From the spectroscopic ellipsometry and infrared spectroscopy, we found that the doping
of nonmagnetic Zn2+ ions leads to the dramatic change in the electronic structure of the ZFFO films. We discuss the correlation of our spectra with the electric and magnetic properties of the ZFFO films.
Document Type: Research Article
Publication date: 01 March 2013
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