Mössbauer study of iron fluoride films produced by pulsed laser deposition
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Iron fluoride thin films were produced by the reaction of laser-evaporated iron atoms with sulfur hexafluoride (SF6) gas. The iron fluoride films were investigated using Mössbauer spectroscopy, powder X-ray diffraction, and scanning electron microscopy. The composition of the iron fluoride films changed according to the pressure of ambient SF6 gas: FeF3 was obtained at high pressure, while FeF2 was obtained at low pressure. In addition, the size of FeF3 crystallites produced in the film was controlled by the substrate temperature during pulsed laser deposition.
KeywordsIron fluoride Film Pulsed laser deposition Mössbauer spectroscopy