Magnetic excitations in (SiO 2)Co nano-composite films: Brillouin light scattering study
Behaviour of magnetic excitations in the Damon–Eshbach (DE) and backward volume (BV) geometries in nano-composite (SiO 2) 100− x Co x (50% at< x<80% at) films has been studied by Brillouin light scattering (BLS). It has been shown that it is the structure of Stokes/anti-Stokes BLS lines in the...
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Published in | Journal of magnetism and magnetic materials Vol. 321; no. 7; pp. 876 - 879 |
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Main Authors | , , , , , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Elsevier B.V
01.04.2009
|
Subjects | |
Online Access | Get full text |
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Summary: | Behaviour of magnetic excitations in the Damon–Eshbach (DE) and backward volume (BV) geometries in nano-composite (SiO
2)
100−
x
Co
x
(50%
at<
x<80%
at) films has been studied by Brillouin light scattering (BLS). It has been shown that it is the structure of Stokes/anti-Stokes BLS lines in the DE geometry that allows reliable identification of dipole-exchange spin waves (SW) and numerical estimation of the value of the effective exchange constant
A
eff
of a super-ferromagnetic nano-granular sample (
x=80%
at). |
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Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0304-8853 |
DOI: | 10.1016/j.jmmm.2008.11.061 |