Radiation Losses in the Microwave X Band in Al-Cr Substituted Y-Type Hexaferrites
D. Basandrai1,2, R. K. Bedi3, A. Dhami2, J. Sharma2, S. B. Narang4, K. Pubby4, A. K. Srivastava2**
1Research Scholar, Department of Physics, I. K. Gujral Punjab Technical University, Jalandhar, India 2Department of Physics, Lovely Professional University, Phagwara, India 3Principal, Satyam Institute of Engineering & Technology, Amritsar, India 4Department of Electronic Technology, Guru Nanak Dev University, Amritsar, India
Abstract：We present a study on radiation losses in the microwave X band in Al-Cr substituted Y-type hexaferrites, namely Ba$_2$Mg$_2$Al$_{x/2}$Cr$_{x/2}$Fe$_{12-x}$O$_{22}$ ($x=0$, 0.5 and 1.0). The study is performed by means of a vector network analyzer, Fourier transform infrared spectroscopy, a vibrating sample magnetometer and x-ray powder diffraction. Ba$_2$Mg$_2$Fe$_{12}$O$_{22}$ hexaferrite shows radiation loss of $-$37.25 dB (99.999% loss) at frequency 9.81 GHz, which can be attributed to its high value of saturation magnetization, i.e., 22.08 emu/g. Moreover, we obtain that magnetic properties have strong influence on the radiation losses.
. [J]. 中国物理快报, 2017, 34(4): 44101-044101.
D. Basandrai, R. K. Bedi, A. Dhami, J. Sharma, S. B. Narang, K. Pubby, A. K. Srivastava. Radiation Losses in the Microwave X Band in Al-Cr Substituted Y-Type Hexaferrites. Chin. Phys. Lett., 2017, 34(4): 44101-044101.
2017, Vol. 34 
