NDLI: An investigation of trivalent substituted M-type hexagonal ferrite using X-ray and Mössbauer spectroscopy

Content Provider	Springer Nature Link
Author	Meaz, T. M. Koch, C. Bender
Copyright Year	2006
Abstract	Series of substituted M-type hexagonal ferrite has been synthesized, and studied by means of X-ray diffraction, IR and Mössbauer spectroscopy. The samples have the formula (BaCr x Fe12−x O19) (with x = 0.0, 1.0, 2.0, 3.0, 4.0, and 5.0). X-ray diffraction studies prove that all samples has a single phase M-type hexagonal structure. The lattice parameters both a and c were found to be composition dependent. This observation was attributed to the atomic radii of the substituted cations. The Mössbauer spectra change from magnetically ordered (x = 0) toward magnetically ordered with strong line broadening. The broadening increases as the Cr content increase. Measurements at low temperature (80 K) restore the magnetic order. The Mössbauer parameters suggest that Cr3+ prefers to occupy the 4f2 and 2a crystal sites. IR absorption bands were observed between 1,500 and 400 cm−1, and confirm the structure in coincidence with X-ray results.
Starting Page	455
Ending Page	463
Page Count	9
File Format	PDF
ISSN	03043843
Journal	Hyperfine Interactions
Volume Number	166
Issue Number	1-4
e-ISSN	15729540
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-11-01
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	hexagonal ferrite Mössbauer spectroscopy x-ray diffraction IR barium ferrite substitution Surfaces and Interfaces, Thin Films Condensed Matter Atoms, Molecules, Clusters and Plasmas Nuclear Physics, Heavy Ions, Hadrons
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Atomic and Molecular Physics, and Optics Physical and Theoretical Chemistry Condensed Matter Physics

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