Structural, magnetic and electronic structure properties of pure and Ti doped Mg0.95Mn0.05Fe2O4 nanocrystalline thin films

Title
Structural, magnetic and electronic structure properties of pure and Ti doped Mg0.95Mn0.05Fe2O4 nanocrystalline thin films
Authors
Shalendra KumarFaheem AhmedM.S. AnwarB.H. KooH.K. ChoiSanjeev Gautam채근화Hanshik Chung
Keywords
Spinel ferrite; Raman spectroscopy; XRD; PLD
Issue Date
2013-03
Publisher
Ceramics international
Citation
VOL 39, NO 2, 1645-1650
Abstract
Thin films of pure and Ti doped Mg0.95Mn0.05Fe2O4 deposited using pulsed laser deposition technique, have been characterized using X-ray diffraction, Raman spectroscopy, dc magnetization, atomic force microscopy, magnetic force microscopy and near edge X-ray absorption fine structure spectroscopy measurements. X-ray diffraction and Raman spectroscopy measurements indicate that both the films have single phase and the polycrystalline behavior with FCC structure. The grain size calculated using XRD data was 18 and 27 nm for pure and Ti doped films, respectively. Magnetic measurements reflect that pure film has superparamagnetic behavior while Ti doped film has soft ferrimagnetic behavior at room temperature. Atomic force microscopy measurements indicate that both the films are nanocrystalline in nature. Near edge X-ray absorption fine structure spectroscopy measurements clearly infer that Fe ions are in mixed valence state.
URI
http://pubs.kist.re.kr/handle/201004/45113
ISSN
02728842
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KIST Publication > Article
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