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Table 1 Results of determination of average magnetic moment and diameter of investigated nanoparticles M12, M13 and colloidal solution of M13 by different methods

From: Determination of Magnetic Parameters of Maghemite (γ-Fe2O3) Core-Shell Nanoparticles from Nonlinear Magnetic Susceptibility Measurements

Sample

M12

M13

Colloidal solution of M13

Determination method

μ p , [μ B ]

d p , [nm]

μ p , [μ B ]

d p , [nm]

μ p , [μ B ]

d p , [nm]

Widening of X-ray diffraction peaks (Sherrer method) [14]

12.1 ± 0.6

4.8 ± 0.4

Transmission electron microscopy [14]

10.0 ± 2.2

Magnetization curve approximation in a field range 0.8 T [14]

18050

9.4 ± 3.9

Approximation by U (2)(H) in a field range 0.2 T considering lognormal distribution of particles moment and diameter

19180

8.5 ± 2.5

9 460

6.5 ± 2.4

14460

7.6 ± 2.5

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