Table 4 The effective magnetization 4 \(\pi\) Meff, gyromagnetic ratio γ and the calculated uniaxial anisotropy field Ha and magnetocrystalline anisotropy field H4 determined from FMR profiles of NFO films on (100) and (110) MGO substrates.

From: Strain induced anisotropy in liquid phase epitaxy grown nickel ferrite on magnesium gallate substrates

Sample

Thickness (μm)

4 \(\pi\) Meff (kOe)

γ (GHz/kOe)

Ha (kOe)

H4 (kOe)

NFO/(100) MGO

2.5

1.3

3.03

−1.7

−0.51

10

2.5

2.99

−0.5

−0.50

16

2.65

3.05

−0.3

−0.24

NFO/(110) MGO

5

2.88

2.84

−0.1

−0.48

7.5

1.85

2.96

−1.1

−0.75

10

1.79

2.98

−1.2

−0.86

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