Structural, morphological, dielectric and magnetic properties of Ba1-xCrxFe12O19 M type hexaferrites

被引:21
|
作者
Zahid, Muhammad [1 ]
Khan, Hasan M. [1 ]
Rehman, Aziz Ur [2 ]
Waheed, Abdul [5 ]
Sadiq, Imran [3 ]
Mazhar, Ehsan [4 ]
Assiri, Mohammed A. [6 ]
Imran, Muhammad [6 ]
Rehman, Muhammad Inam Ur [1 ]
Mustaqeem, Mujahid [2 ]
机构
[1] Islamia Univ, Inst Phys, Baghdad Ul Jadeed Campus, Bahawalpur 63100, Pakistan
[2] Islamia Univ Bahawalpur, Inst Chem, Baghdad Ul Jadeed Campus, Bahawalpur 63100, Pakistan
[3] Univ Punjab, Ctr Excellence Solid State Phys, Lahore 54590, Pakistan
[4] Bahauddin Zakariya Univ, Dept Phys, Multan 6000, Pakistan
[5] MCE NUST, Dept Geo Tech Engn, Risalpur, Pakistan
[6] King Khalid Univ, Fac Sci, Dept Chem, POB 9004, Abha 61413, Saudi Arabia
关键词
Electrical and magnetic properties; SEM; XRD; Sol-gel; M-Type hexaferrite; BEHAVIOR EVALUATION; HEXAGONAL FERRITES; CO-SUBSTITUTION; LATTICE STRAIN; ELUCIDATION; LA;
D O I
10.1088/1402-4896/ac29da
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Chromium doped M-type hexaferrites having composition Ba1-xCrxFe12O19 at x = (0.0,0.1,0.2,0.3,0.4,0.5) were fabricated by sol-gel auto combustion technique. XRD technique was performed to confirm the phase formation. Morphology of the prepared samples was analyzed through scanning electron microscopy (SEM) and it indicated the hexagonal platelet structure. Lattice parameters, crystallite size and cell volume were found to decrease with the increase of doping (Cr3+) concentration. Saturation magnetization and magneto crystalline anisotropy has been investigated through law of approach to the saturation magnetization. Saturation magnetization first increases and reaches to maximum at x = 0.3 for Cr3+ substituted Barium hexaferrite. Dielectric constant, dielectric loss tangent loss, ac conductivity and Q values of the prepared samples were also discussed. Dielectric constant increases gradually with increasing dopant (Cr3+) concentration. These parameters were found to be appropriate for high frequency applications such as modulators, phase shifter and also in magnetic recording media.
引用
收藏
页数:14
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