Microwave Measurement of Saturation Magnetization of Ferrites

Narayanan, K. G.; Sharma, G. D.; Kishan, Pran

doi:10.1109/tim.1969.4313778

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…Measurement of saturation magnetisation 4nM~ is carried out by (i) ballistic methods, (ii) methods using vibrating coil or vibrating sample magnetometer, (iii) force methods and (iv) microwave methods. The microwave methods consist of determination of (a) demagnetisation effect of sample on resonance (Narayan et al 1969), (b) cavity absorption characteristics (Artmann and Tannenwald 1955), (c) cut-off frequency (Helsajn 1972) and (d) frequencies of higherorder magnetostatic modes Lain 1965;Magid 1964).…”

Section: Measurement Of 4~rmmentioning

confidence: 99%

Measurement of magnetic properties of single crystal YIG by non-resonant method

1979

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A non-resonant microwave teclmique has been employed for the determination of saturation magnetisation (4rrMs) and g-factor of pure and Gd-doped single crystal YIG spheres yielding accurate values. It was found that 4"trM 8 = 1720-1751 g for undoped and 1595 g for 10~ Gd-doped YIG spheres while gett = 2.00-2.0039. The advantages of this method are simplicity and complete absence of propagation corrections necessary in cavity resonance experiments.

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Section: Measurement Of 4~rmmentioning

confidence: 99%

Measurement of magnetic properties of single crystal YIG by non-resonant method

1979

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Measurement of Magnetic Crystalline Anisotropy Constant and Effective Porosity

Liao¹,

Li-Nian²,

Yin³

et al. 1982

Ferrites

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Microwave measurement of saturation magnetization and magnetic crystalline anisotropy of polycrystalline ferrites

Zhu

Zhao

Wen

1985

Journal of Applied Physics

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On the basis of the expression for the microwave permeability of completely demagnetized states given by E. Schlomann, we suggest a method of simultaneous determination of saturation magnetization and magnetic crystalline anisotropy of poly crystalline ferrites by measuring this microwave permeability. This permeability has been measured on a number of a frequencies for polycrystailine ferrite materials, and the saturation magnetization and the magnetic crystalline anisotropy can be obtained by using computer methods. The experimental results are in agreement with the data obtained by other experimental methods.

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Microwave Measurement of Saturation Magnetization of Ferrites

Cited by 3 publications

References 7 publications

Measurement of magnetic properties of single crystal YIG by non-resonant method

Measurement of magnetic properties of single crystal YIG by non-resonant method

Measurement of Magnetic Crystalline Anisotropy Constant and Effective Porosity

Microwave measurement of saturation magnetization and magnetic crystalline anisotropy of polycrystalline ferrites

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