Impact of Gd doping on the dielectric and magnetic properties of (Sr–Ba) Fe12O19 nanoparticles

Liaquat, Arsalan; Anis-ur-Rehman, M.; Haq, Anwar Ul

doi:10.1016/j.jallcom.2019.153561

Cited by 22 publications

(2 citation statements)

References 41 publications

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“…9,10 Partial co-substitution for Fe 3+ and Sr 2+ in the M-type hexaferrite has been carried out by several researchers to achieve the physical properties optimized for the applications. [11][12][13][14][15][16] Liaquat et al 17 reported dielectric and magnetic properties of Sr 0.5 Ba 0.5 Fe 12−x Gd x O 19 nanoparticles. All samples had a peak of impurity Fe 3 O 4 .…”

Section: Introductionmentioning

confidence: 99%

Effects of Ca–Gd co‐substitution on the structural, magnetic, and dielectric properties of M‐type strontium hexaferrite

Gholizadeh

Banihashemi

2023

J Am Ceram Soc.

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Sr 1−x Ca x Fe 12−x Gd x O 19 (x = 0, 0.04, 0.08, 0.12, 0.16, 0.20) hexaferrites were characterized by several techniques, such as X-ray diffraction, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy, and vibrating sample magnetometer. Structural results indicate the formation of a pure-phase Sr 1−x Ca x Fe 12−x Gd x O 19 hexaferrite with space group P6 3 /mmc. SEM photography confirms that there are a smaller number of defects due to the reduced porosity and surface area (increased particle size). Magnetic investigations showed a rise of the coercive force from 5069.8 to 5757.4 Oe and saturation magnetization from 79.25 to 80.68 emu/g. The maximum values appear to be for sample x = 0.16, which may be useful in such as permanent magnets, and high-density media for magnetic storage devices. Dielectric parameters, such as conductivity, the real part of permittivity, dielectric loss, dielectric tangent loss, and complex modulus, were studied. Impedance analysis shows that the conduction process is mainly governed by the long-range movement of the charge carriers based on the Debye model for x = 0.12.

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Section: Introductionmentioning

confidence: 99%

Effects of Ca–Gd co‐substitution on the structural, magnetic, and dielectric properties of M‐type strontium hexaferrite

Gholizadeh

Banihashemi

2023

J Am Ceram Soc.

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“…Ferrites are widely divided into two categories on the bases of their magnetization; soft ferrites and hard ferrites. Hard ferrites are also known as ceramic magnets and own high values of permeability and coercivity, as it takes more time to demagnetize them than soft ferrite [1,2].…”

Section: Introductionmentioning

confidence: 99%

Effect of Ni2+and Co2+ substitution on the characteristics of the strontium aluminum hexaferrite (SrAl2Fe10O19)

Joshi,

Ruban Kumar

2023

J Sol-Gel Sci Technol

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The nickel and cobalt substituted strontium aluminium hexaferrite Sr1-xNixAl2Fe10O19/Sr1-xCoxAl2Fe10O19 (x = 0.1, 0.2) were synthesized via the sol-gel auto-combustion technique using glycine fuel. The particles formed in hexagonal crystal structure with space group P63/mmc.The field-emission scanning microscopy was adopted for morphological analysis, and the images revealed the plate-like formation of the particles. X-ray photoelectron spectroscopy confirmed the presence and oxidation states of all the elements. The vibrating sample magnetometer studies were taken to determine saturation magnetization (Ms), coercivity (Hc), squareness ratio (Mr/Ms), and energy product (BHmax) values. The electric studies disclosed the presence of relaxations in the system, which was interpreted through Koop and Maxwell-Wagner's model.

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Magnetic properties of Sr0.5Ba0.5HoxFe12−xO19 (x ≤ 0.10) nanohexaferrites

et al. 2023

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Impact of Gd doping on the dielectric and magnetic properties of (Sr–Ba) Fe12O19 nanoparticles

Cited by 22 publications

References 41 publications

Effects of Ca–Gd co‐substitution on the structural, magnetic, and dielectric properties of M‐type strontium hexaferrite

Effects of Ca–Gd co‐substitution on the structural, magnetic, and dielectric properties of M‐type strontium hexaferrite

Effect of Ni2+and Co2+ substitution on the characteristics of the strontium aluminum hexaferrite (SrAl2Fe10O19)

Magnetic properties of Sr0.5Ba0.5HoxFe12−xO19 (x ≤ 0.10) nanohexaferrites

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