scholarly journals Shape-induced ultrahigh magnetic anisotropy and ferromagnetic resonance frequency of micropatterned thin Permalloy films

2006 ◽  
Vol 99 (8) ◽  
pp. 08C705 ◽  
Author(s):  
Y. Zhuang ◽  
M. Vroubel ◽  
B. Rejaei ◽  
J. N. Burghartz ◽  
K. Attenborough
Keyword(s):  
Magnetic Anisotropy ◽  
Resonance Frequency ◽  
Ferromagnetic Resonance ◽  
Ferromagnetic Resonance Frequency

Large E-field tunability of magnetic anisotropy and ferromagnetic resonance frequency of co-sputtered Fe50Co50-B film

2015 ◽  
Vol 117 (17) ◽  
pp. 17D702 ◽  
Author(s):  
Shandong Li ◽  
Qian Xue ◽  
Honglei Du ◽  
Jie Xu ◽  
Qiang Li ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
Resonance Frequency ◽  
Ferromagnetic Resonance ◽  
Ferromagnetic Resonance Frequency

scholarly journals Measurement of effective magnetic anisotropy field and ferromagnetic resonance bandwidth at ferromagnetic resonance frequency in magnetically uniaxial hexagonal ferrites

2019 ◽  
Vol 5 (1) ◽  
pp. 33-39
Author(s):  
Alexey S. Semenov ◽  
Aleksey G. Nalogin ◽  
Sergey V. Shcherbakov ◽  
Alexander V. Myasnikov ◽  
Igor M. Isaev ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
Ferromagnetic Resonance ◽  
Transmission Lines ◽  
Anisotropy Field ◽  
Nominal Composition ◽  
Hexagonal Ferrites ◽  
Magnetic Texture ◽  
Measurement Results ◽  
Effective Magnetic Anisotropy ◽  
Ferromagnetic Resonance Frequency

In this work we have considered metrological problems and measurement of magnetic parameters and presented methods of measuring effective magnetic anisotropy field HAeff and ferromagnetic resonance bandwidth ∆H in magnetically uniaxial hexagonal ferrites in the electromagnetic microwave working frequency range. The methods allow measuring HAeff in the 10–23 and 28–40 kE ranges and ∆H in the 0.5–5.0 range. One method (suitable for wavelength measurements in free space in the 3-mm wavelength range) has been implemented for the 78.33–118.1 GHz range. The other method (based on the use of microstrip transmission lines) has been implemented for the 25–67 GHz range. The methods have been tested for polycrystalline specimens of hexagonal barium and strontium ferrites with nominal composition or complex substituted and having high magnetic texture. The measurement results have been compared with those obtained using conventional measurement methods and spherical specimens. Our methods prove to be highly accurate and reliable.

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