Growth and properties of yttrium-iron garnet films with a higher iron content

•Films of a new yttrium iron garnet were grown by the liquid phase epitaxy technique.•Novel garnet has the chemical formula Y3-xFe5+xO12 where 0.1≤x≤1.5.•The new ferrite garnet surpasses the traditional one in terms of magnetic properties.•It is supposed that a novel garnet contains an additional ma...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2017-11, Vol.442, p.189-195
Main Authors: Mezin, N.I., Starostyuk, N.Yu, Yampolskii, S.V.
Format: Article
Language:English
Subjects:
Boron oxides
Charge materials
Crystal growth
Crystallization
Epitaxial growth
Ferrites
Fragments
Hereditary clusters
Iron
Liquid phase epitaxy
Liquids
Magnetic properties
Magnetism
Orthoferrite
Yttrium
Yttrium-iron garnet
Yttrium-iron garnet films
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Summary:•Films of a new yttrium iron garnet were grown by the liquid phase epitaxy technique.•Novel garnet has the chemical formula Y3-xFe5+xO12 where 0.1≤x≤1.5.•The new ferrite garnet surpasses the traditional one in terms of magnetic properties.•It is supposed that a novel garnet contains an additional magnetic subsystem. Preparation of a novel yttrium-iron garnet of the chemical formula Y3-xFe5+xO12, where 0.1≤x≤1.5, is reported. Epitaxial films of this garnet were grown by the liquid phase epitaxy technique from the PbO–B2O3 solution containing weakly dissociated both yttrium-iron garnet Y3Fe5O12 and yttrium orthoferrite YFeO3 as the charge materials. It has been shown that crystallization from such a solution-melt results in the clusters which contain some structural fragments of Y3Fe5O12 and YFeO3 inside the liquid phase of the growing films and crystals forming in such a way a structure of the novel ferrite. Structural and magnetic properties of the obtained garnet films are also discussed.
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2017.06.109