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Investigations of Structural and Magnetic Properties of Nanostructured Ni 0.5+ x Z n 0.5‐ x F e 2 O 4 Magnetic Feeders for CSEM Application
Author(s) -
Niaz Akhtar Majid,
Yahya Noorhana,
Sattar Abdul,
Ahmad Mukhtar,
Idrees Muhammad,
Hasan Asif Muhammad,
Azhar Khan Muhammad
Publication year - 2014
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/ijac.12222
Subject(s) - materials science , doping , magnetic field , analytical chemistry (journal) , permeability (electromagnetism) , optoelectronics , physics , chemistry , chromatography , quantum mechanics , biochemistry , membrane
Marine CSEM is a new technique for detection of deep target hydrocarbons. Aluminum EM antenna was developed, and nanostructured N i Z n magnetic feeders were used to increase the field strength from EM antenna for deep hydrocarbons. The doping of N i 2+ was aimed at the optimization of initial permeability and magnetic losses. Ni 0.5+ x Z n 0.5‐ x F e 2 O 4 ( x  = 0.3) samples sintered at 950°C presented highest initial permeability (106.23) and low magnetic loss (0.0002) as compared to other samples. Due to better magnetic properties, N i 0.5+ x Z n 0.5‐x F e 2 O 4 ( x  = 0.3) samples were used as magnetic feeders for EM antenna. Magnitude of EM waves from the antenna increased up to 186%.

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