Synthesis and role of structural disorder on the optical, magnetic and dielectric properties of Zn doped NiFe2O4 nanoferrites

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M. Abushad ◽  
M. Arshad ◽  
Swaleha Naseem ◽  
Hilal Ahmed ◽  
...  
2016 ◽  
Vol 90 (8) ◽  
pp. 869-880 ◽  
Author(s):  
S. Anjum ◽  
H. Nazli ◽  
R. Khurram ◽  
Talat Zeeshan ◽  
S. Riaz ◽  
...  

2020 ◽  
Vol 502 ◽  
pp. 166490 ◽  
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Anil B. Mugutkar ◽  
Shyam K. Gore ◽  
Umakant B. Tumberphale ◽  
Vijaykumar V. Jadhav ◽  
Rajaram S. Mane ◽  
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Nejeh Hamdaoui ◽  
M. R. Laouyenne ◽  
W. Cheikhrouhou-Koubaa ◽  
Lotfi Beji ◽  
...  

2015 ◽  
Vol 241 ◽  
pp. 226-236 ◽  
Author(s):  
Neha Solanki ◽  
Rajshree B. Jotania

Influence of Ca substitution on structural, magnetic and dielectric properties of Ba3Co2-xCaxFe24O41(where x = 0.0, 0.2, 0.4, 0.6, 0.8 and 1.0), prepared by Sol-Gel auto-combustion method, has been investigated in present studies. The obtained powder was sintered at 950 oC for 4 hrs. in the static air atmosphere. Structural analysis of Ca-doped Ba3Co2-xCaxFe24O41powders revealed pure Z-type hexaferrite phase at low temperature. The frequency dependent dielectric constant (Єʹ) and magnetic properties such as remanent magnetization (Mr), saturation magnetization (Ms) and coercivity (Hc) were studied. It is observed that coercivity increased gradually with increase in calcium content. The real dielectric constant (Єʹ) and dielectric loss tangent (tan δ) were studied in the frequency range of 20Hz to 2MHz. The dielectric parameters for all samples show normal dielectric behavior as observed in hexaferrites. Contents of Paper


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