Magnetic Studies in Sputtered Ni/Ti Multilayers

Salhi, H.; Chafai, K.; Lassri, H.; Abid, M.; Hlil, E.K.

doi:10.1007/s10948-010-1116-y

J Supercond Nov Magn

2011

DOI: 10.1007/s10948-010-1116-y

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Magnetic Studies in Sputtered Ni/Ti Multilayers

H. Salhi

K. Chafai

H. Lassri

et al.

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2011

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“…Due to the above mentioned properties, they have used extensively in chip inductor, high frequency devices, microwave absorber in GHz range, wireless communication tools and local area networks [1][2][3][4][5][6]. With the advancement of GHz electronic systems and telecommunications, the problem of the electromagnetic interface (EMI) has become a matter of serious concern and so much attention has been paid to find materials with suitable absorption property.…”

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Structural, Magnetic and Microwave Properties of Eu-doped Barium Hexaferrite Powders

Khademi

Poorbafrani

Kameli

et al. 2011

J Supercond Nov Magn

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Eu-doped M-type barium ferrite powders (Ba 1−x Eu x Fe 12 O 19 ) with x = 0.0, 0.1, 0.2 and 0.25 were prepared by sol-gel method. The synthesized samples are characterized by thermo gravimetric analysis (TG-DTA), X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), vibrating sample magnetometer (VSM) and vector network analyzer. All the synthesized samples have the nearly singlemagnetoplumbite phase. The results show that the crystallite size of doped samples is smaller than pure one. The saturation magnetization of doped ferrites decreases by the increase in Eu doping, while the coercivity increases. Maximum coercivity achieved in this study is 6.12 KOe for x = 0.25 sample. The enhancement of coercivity by Eu doping is mainly due to the higher magnetocrystalline anisotropy, which is attributed to the partial change of Fe +3 ion to Fe +2 ion. The maximum reflection loss (RL) of −43 dB at frequency range of 12-18 GHz for the x = 0.1 sample was obtained. The increase in reflection loss at higher frequency suggests that the Eu-doped sample can be used for the application in microwave devices.

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confidence: 99%

Structural, Magnetic and Microwave Properties of Eu-doped Barium Hexaferrite Powders

Khademi

Poorbafrani

Kameli

et al. 2011

J Supercond Nov Magn

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Magnetic Studies in Sputtered Ni/Ti Multilayers

Cited by 1 publication

References 12 publications

Structural, Magnetic and Microwave Properties of Eu-doped Barium Hexaferrite Powders

Structural, Magnetic and Microwave Properties of Eu-doped Barium Hexaferrite Powders

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