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FMR Investigations of Two-dimensional Periodic Arrays of Disc-shaped Co Particles at Different Temperatures.
- Source :
-
Journal of Superconductivity & Novel Magnetism . Dec2015, Vol. 28 Issue 12, p3587-3591. 5p. - Publication Year :
- 2015
-
Abstract
- Using ferromagnetic resonance method, we performed measurements of two-dimensional periodic arrays of disc-shaped cobalt particles with different diameters a=450 and 900 nm and the distance between them l=2 a and 3 a with temperature variation in the range T = 140 −300 K. The first derivative of the microwave absorption spectrum was registered. With the increase of T additional peaks on both sides from the main peak that move aside from it, all peaks show an increase of the intensity and a decrease of the width. Dependences of the resonance field on T shows saturation-like behavior with increasing temperature. They move to higher temperatures and show sharper behavior with a increase and l decrease, respectively. An increase of a leads to the intensity decrease and width increase of all three adsorption peaks. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 15571939
- Volume :
- 28
- Issue :
- 12
- Database :
- Academic Search Index
- Journal :
- Journal of Superconductivity & Novel Magnetism
- Publication Type :
- Academic Journal
- Accession number :
- 110848403
- Full Text :
- https://doi.org/10.1007/s10948-015-3178-3