Surface modification of YIG by magnet array

•The surface of YIG films were magnetically modulated by magnet array.•The surface modulated YIG films formed sharp band gaps.•A very small magnetic field change leads a large change in the peak value of band gap frequency. In this work, magnetostatic surface spin waves (MSSW) were propagated along...

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Bibliographic Details
Published inApplied surface science Vol. 354; pp. 337 - 341
Main Authors Atalay, S., Kolat, V.S., Bakır, H.G., Izgi, T., Kaya, A.O., Kaya, O.A., Gencer, H.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.11.2015
Subjects
Arrays
Crystals
Energy gaps (solid state)
Magnetic fields
Magnonic crystals
Single crystals
Spin waves
Surface modification
Two dimensional
YIG film
Surface modification
84.40.Az
41.20.Jb
Magnonic crystals
YIG film
75.30.Ds
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Summary:•The surface of YIG films were magnetically modulated by magnet array.•The surface modulated YIG films formed sharp band gaps.•A very small magnetic field change leads a large change in the peak value of band gap frequency. In this work, magnetostatic surface spin waves (MSSW) were propagated along the single crystal YIG (Y3Fe5O12) film grown on GGG substrate. In order to obtain magnonic crystals, unlike the conventional methods, the surface of YIG films were magnetically modulated by magnet array in one and two-dimensions. The surface modulated YIG films formed sharp band gaps at approximately 6.55GHz and 6.58GHz at 1600Oe magnetic field for one and two-dimensional magnonic crystals, respectively. It was found that a very small magnetic field change leads a large change in the peak value of band gap frequency.
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ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2015.06.001