Crystal structure and magnetic properties study on barium hexaferrite (BHF) and cobalt zinc ferrite (CZF) in composites

Manglam, Murli Kumar; Mallick, Jyotirekha; Kumari, Suman; Pandey, Rabichandra; Kar, Manoranjan

doi:10.1016/j.solidstatesciences.2020.106529

Cited by 40 publications

(16 citation statements)

References 34 publications

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“…Due to the strong magnetism of both phases, the composites show remarkable magnetic characteristics. [ 285 ] Additionally, the composites may show broadband MWA, which may be employed to minimize interference pollution. [ 286 ] Different kinds of applications need the presence of a certain feature.…”

Section: Properties Of Hexagonal Ferritesmentioning

confidence: 99%

Recent Progress in Hexagonal Ferrites Based Composites for Microwave Absorption

Mohammed

Mohammed²,

Srivastava

2022

Cryst. Res. Technol.

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With the fast growth of wireless communication technology in high‐frequency ranges, electromagnetic (EM) interference has become a growing concern that has drawn international attention. The development of materials that can absorb EM radiation is a crucial solution. This review provides a detailed overview of ferrites, specifically hexagonal ferrites and their composites for microwave (MW) absorption. It examines hexagonal ferrite classifications based on the stacking order of their fundamental blocks and their synthesis methods and strategies for improving their magnetic properties. On the other hand, this review included a detailed examination of hexagonal ferrites–conducting polymer, hexagonal ferrites–2D materials, and hexagonal ferrite–other nanomaterials composites for MW absorption applications. Enhancing MW absorption in hexagonal ferrites‐based microwave absorption materials (MAMs) regulates their EM characteristics, improves impedance matching, and creates a diversity of loss mechanisms. In addition, the limitations, challenges, and opportunities of hexagonal ferrites‐based MAMs are discussed, which will be helpful to those working in related areas. As a general application potential, it is worth mentioning that, as a result of recent promising findings in the synthesis of hexagonal ferrites‐based composites, hexaferrite‐based composites are suitable devices in the area of microwave absorption.

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Section: Properties Of Hexagonal Ferritesmentioning

confidence: 99%

Recent Progress in Hexagonal Ferrites Based Composites for Microwave Absorption

Mohammed

Mohammed²,

Srivastava

2022

Cryst. Res. Technol.

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“…His further studies in another article (2021) stated that the Ms Value increases with the CoZnFe2O4 concentration. [11]- [13].…”

Section: Literature Reviewmentioning

confidence: 99%

Study of Bandgap Energy of Novel Nanocomposite

Sudhakaran¹,

Sudhakaran²,

Senthil³

2021

IJRTE

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In this novel work, we have studied the optical properties of CuBaM-CZFO nanocomposites. (Cu0.5Ba0.5Fe12O19)1-x/ (Co0.6Zn0.4 Fe2O4) x [where x=0.1,0.2] nanocomposites were synthesized individually by sol-gel citrate method and then made into nanocomposites by physical mixing technique. Further characterization over their structural, morphological and optical properties were carried out in detail. With the help of UV analysis, the optical properties such as, the band gap energy was discovered which is found using Tauc’s plot. The bandgap energy is 2.6503eV for CuBaM-CZFO 90-10 which is lesser than CuBaM-CZFO 80-20 (2.8456eV). The structural, morphological and optical properties of novel CuBaM-CZFO nanocomposite are reported and compared with, both among themselves and from the literature review.

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“…Herein, the scientists preferred a few synthesis techniques like co‐precipitation, sol‐gel, conventional sintering, hydrothermal, etc., for the synthesis, and characterization of pure, and doped cobalt/barium hexaferrites, and their composites. [ 2–23 ] In the literature, the pure form of cobalt hexaferrites, and barium hexaferrites were extensively studied. Hence, the recent researchers focused on doped, and substituted CoFe 12 O 19 & BaFe 12 O 19 materials.…”

Section: Introductionmentioning

confidence: 99%

“…Tasleem et al., [ 4 ] studied optical, and electronic properties of Sol‐Gel synthesized copper & cobalt substituted SrBaFe 12 O 19 nanoparticles. Barium hexaferrite (BHF) and cobalt zinc ferrite (CZF) in composites were studied by Manglam et al., [ 7 ] for magnetic properties in detail. Kajal et al., [ 8 ] discussed the magnetic nature of cobalt substituted M‐type barium hexaferrites prepared by co‐precipitation technique.…”

Section: Introductionmentioning

confidence: 99%

“…Its chemical formula is Ba x Co 1-x Fe 12 O 19 with varying "x" value from 0.2-0.8. In the literature, many scientists focused on CoFe 12 O 19 , [5,6] BaFe 12 O 19 , [7][8][9] doped/substituted Co/Ba hexaferrites [10][11][12][13][14][15][16][17][18][19][20][21][22][23] for investigating various electrical, magnetic, and electromagnetic properties. Herein, the scientists preferred a few synthesis techniques like co-precipitation, sol-gel, conventional sintering, hydrothermal, etc., for the synthesis, and characterization of pure, and doped cobalt/barium hexaferrites, and their composites.…”

Section: Introductionmentioning

confidence: 99%

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Magnetic, Dielectric, and Thermal Properties of BaCo‐Hexaferrite Nanospheres

Ramanjaneyulu

Kumar

Basha

et al. 2023

Cryst. Res. Technol.

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BaxCo1‐xFe12O19 (x = 0.2, 0.4, 0.6, & 0.8) nanoparticles are prepared via hydrothermal method. The hexagonal structure of x = 0.2 – 0.8 samples is confirmed by X‐ray diffraction patterns. Morphology indicated the existence of nanospheres like grains. The magnetic and dielectric parameters are clearly discussed as a function of composition at room temperature. The increase of Ba‐content reduced the magnetization from 56.1 to 49.7 emu g−1, and at higher Ba‐content, it is increased from 49.7 to 57.3 emu g−1. The x = 0.6 content offered the high ε' ≈9.54 and low ε" ≈0.12 values suitable for charge storage, and low noise device applications. Further, the thermal properties (using thermogravimetry (TG)‐differential thermogravimetry (DTG) & TG‐differential scanning calorimetry (DSC)) are elucidated in detail.

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Crystal structure and magnetic properties study on barium hexaferrite (BHF) and cobalt zinc ferrite (CZF) in composites

Cited by 40 publications

References 34 publications

Recent Progress in Hexagonal Ferrites Based Composites for Microwave Absorption

Recent Progress in Hexagonal Ferrites Based Composites for Microwave Absorption

Study of Bandgap Energy of Novel Nanocomposite

Magnetic, Dielectric, and Thermal Properties of BaCo‐Hexaferrite Nanospheres

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