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Color and Kerr rotation in a dielectric/ferromagnetic double layers structure.
- Source :
-
AIP Advances . 2017, Vol. 7 Issue 2, p025304-1-025304-6. 6p. 3 Graphs. - Publication Year :
- 2017
-
Abstract
- By the multiple reflections and transmissions in a dielectric on a ferromagnetic metal, color and Kerr rotation correlate with each other. It is revealed that the real refractive index of dielectric plays a major role on the variations of color and Kerr signal, while the absorbing term adjusts the intensive color exhibition and Kerr enhancement at much thinner dielectric thickness. The intensive Kerr signal variation is always accompanied by the color transition with the dielectric thickness changing. Experimental results observed in silicon(or silica)/iron samples are well consistent with calculations. Nanometer dielectric optical coating can not only enhance Kerr effect but also endow magnetic surface with chromatics, which has promising potential applications in anti-fake brands, colorful decorations, camouflages, and even bionics. [ABSTRACT FROM AUTHOR]
- Subjects :
- *DIELECTRICS
*FERROMAGNETISM
Subjects
Details
- Language :
- English
- ISSN :
- 21583226
- Volume :
- 7
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- AIP Advances
- Publication Type :
- Academic Journal
- Accession number :
- 121613222
- Full Text :
- https://doi.org/10.1063/1.4976684