NDLI: Optical and magneto-optical polar Kerr spectra of Fe3O4 and Mg2+- or Al3+-substituted Fe3O4

Content Provider	Semantic Scholar
Author	Fontijn, Wfj Willem Zaag, Pieter Van Der Devillers, M. A. C. Brabers, Vam Vic Metselaar, R. Ruud
Copyright Year	1997
Abstract	The diagonal elements of the dielectric tensor, between 0.5 and 5.0 eV, and the magneto-optical polar Kerr spectra, between 0.7 and 4.0 eV, have been determined for a synthetic crystal of magnetite, Fe3O4 and a systematic investigation of these properties for Mg2+ and Al3+ substitutions has been carried out. From these spectra the off-diagonal elements of the dielectric tensor was calculated between 0.7 and 4.0 eV. Through fitting simultaneously both the diagonal and the off-diagonal elements of this tensor with one set of parameters and consistently for all partially substituted ferrite samples, we were able to resolve the magneto-optical spectrum of Fe3O4 between 0.7 and 4.0 eV. The observed trends in the major transitions upon substitution provide the experimental evidence for intervalence charge transfer and intersublattice charge transfer transitions in Fe3O4.
Starting Page	5432
Ending Page	5442
Page Count	11
File Format	PDF HTM / HTML
DOI	10.1103/PhysRevB.56.5432
Volume Number	56
Alternate Webpage(s)	https://pure.tue.nl/ws/files/1528771/Metis122112.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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