"Epitaxial growth of MgFe2O4 (111) thin films on sapphire (0001) substr" by Ram K. Gupta and F. Yakuphanoglu
 

Epitaxial growth of MgFe2O4 (111) thin films on sapphire (0001) substrate

Abstract

Pulsed laser deposition technique is used to fabricate thin films of MgFe O on sapphire substrate. X-ray diffraction patterns show that films are epitaxial along (lll) direction on c-axis oriented sapphire. The observation of six fold symmetry in phi scan for the film suggests the presence of twinned in-plane alignments. The presence of magnetic hysteresis loop at room temperature indicates the ferromagnetic behavior of the film. The coercive field of 742 Oe and remnant magnetization of 151 emu/cm is observed at room temperature. The coercive field and remnant magnetization decrease with increase in temperature.

Department(s)

Physics, Astronomy, and Materials Science

Document Type

Article

DOI

https://doi.org/10.1016/j.matlet.2011.06.091

Keywords

Epitaxial thin films, Ferromagnetic, MgFe O 2 4, Pulsed laser deposition

Publication Date

10-1-2011

Journal Title

Materials Letters

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