Influence of Gd 3+ ion substitution on the MnCrFeO 4 for their nanoparticle shape formation and magnetic properties

Kadam, R.H.; Desai, Kirti; Shinde, Vishnu S.; Hashim, Mohd.; Shirsath, Sagar E.

doi:10.1016/j.jallcom.2015.10.164

Cited by 38 publications

(13 citation statements)

References 46 publications

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“…Thus, the SAR can vary depending on x, according to the similar mechanism to the case of y = 0. Furthermore, Gd substitution decreased the SAR, because the magnetization can decrease due to an Kadam et al 2016). As Kadam et al (2016) interaction.…”

Section: Resultsmentioning

confidence: 99%

“…Furthermore, Gd substitution decreased the SAR, because the magnetization can decrease due to an Kadam et al 2016). As Kadam et al (2016) interaction. Accordingly, a magnetic dilution may occur due to the Gd substitution, resulting in a decrease in the SAR.…”

Section: Resultsmentioning

confidence: 99%

“…ion has a higher effective magnetic moment than Fe 3? ion (Calderon-Ortiz et al 2009;Kadam et al 2016;Kumar et al 2014). In the Gd-substituted Mg-Zn ferrites, Fe 3?…”

Section: Resultsmentioning

confidence: 99%

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Synthesis and magnetic induction heating properties of Gd-substituted Mg–Zn ferrite nanoparticles

2017

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Gadolinium-substituted magnesium-zinc ferrite (Mg x Zn 1-x Gd y Fe 2-y O 4 ) nanoparticles with different metal compositions for x between 0 and 1 and y between 0 and 0.06 were synthesized via coprecipitation of metal hydroxides, followed by calcination. Their crystal structure was characterized via X-ray diffraction analysis, confirming that the Gd-substituted Mg-Zn ferrite samples had a single-phase spinel structure. The metal composition significantly affected the crystal structure, including the lattice parameters and crystallite size. Scanning electron microscopy (SEM) showed that the ferrite samples had a diameter of approximately 50-200 nm. Furthermore, the temperature rise in an alternating magnetic field was measured, and the magnetic induction heating properties were evaluated using the specific absorption rate (SAR) determined from the temperature profile. The SAR significantly varied depending on the compositions of x and y. When x = 0.5 and y = 0.02, the SAR was found to be at maximum. This reveals that the compositions can control the magnetic induction heating properties. The results suggest that Gd-substituted Mg-Zn ferrite nanoparticles are promising candidates for magnetic hyperthermia applications.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Synthesis and magnetic induction heating properties of Gd-substituted Mg–Zn ferrite nanoparticles

2017

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“…28) and MnCrFeO 4 . 29 Such microstructure variations due to the difference in ionic radii and grain-growth inhibition were also observed in other ceramic materials. 30 Therefore, it is considered that the Gd 3+ ions with their higher ionic radii are responsible for the observed decrease in particle size.…”

Section: Resultsmentioning

confidence: 63%

Crystal chemistry and single-phase synthesis of Gd³⁺substituted Co–Zn ferrite nanoparticles for enhanced magnetic properties

et al. 2018

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“…The Bohr magneton number (n B ) of the prepared samples was calculated using Eq. A and values of saturation magnetization (M S ) obtained from the hysteresis loop and molecular weight (MW) [20]. The values of Bohr magneton number with different composition of yttrium are summarized in Table II.…”

Section: Resultsmentioning

confidence: 99%

Y3+ substituted Sr-hexaferrites: sol-gel synthesis, structural, magnetic and electrical characterization

Satpute¹,

Wadgane

Kadam³

et al. 2019

Cerâmica

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Y3+ substituted strontium hexaferrites having chemical composition SrYxFe12-xO19 (x= 0.0, 0.5, 1.0, 1.5) were successfully synthesized by sol-gel auto-combustion method. The structural and morphological studies of prepared samples were investigated by using X-ray diffraction technique, energy dispersive X-ray spectroscopy, field emission scanning electron microscopy (FE-SEM) and high-resolution transmission electron microscopy. The X-ray diffraction pattern confirmed the single-phase hexagonal structure of yttrium substituted strontium ferrite and the lattice parameters a and c increased with the substitution of Y3+ ions. The crystallite size also varied with x content from 60 to 80 nm. The morphology was studied by FE-SEM, and the grain size of nanoparticles ranged from 44 to 130 nm. The magnetic properties were investigated by using vibrating sample magnetometer. The value of saturation magnetization decreased from 49.60 to 35.40 emu/g. The dielectric constant decreased non-linearly whereas the electrical dc resistivity increased with the yttrium concentration in strontium hexaferrite.

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Influence of Gd 3+ ion substitution on the MnCrFeO 4 for their nanoparticle shape formation and magnetic properties

Cited by 38 publications

References 46 publications

Synthesis and magnetic induction heating properties of Gd-substituted Mg–Zn ferrite nanoparticles

Synthesis and magnetic induction heating properties of Gd-substituted Mg–Zn ferrite nanoparticles

Crystal chemistry and single-phase synthesis of Gd³⁺substituted Co–Zn ferrite nanoparticles for enhanced magnetic properties

Y3+ substituted Sr-hexaferrites: sol-gel synthesis, structural, magnetic and electrical characterization

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Influence of Gd 3+ ion substitution on the MnCrFeO 4 for their nanoparticle shape formation and magnetic properties

Cited by 38 publications

References 46 publications

Synthesis and magnetic induction heating properties of Gd-substituted Mg–Zn ferrite nanoparticles

Synthesis and magnetic induction heating properties of Gd-substituted Mg–Zn ferrite nanoparticles

Crystal chemistry and single-phase synthesis of Gd3+substituted Co–Zn ferrite nanoparticles for enhanced magnetic properties

Y3+ substituted Sr-hexaferrites: sol-gel synthesis, structural, magnetic and electrical characterization

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Crystal chemistry and single-phase synthesis of Gd³⁺substituted Co–Zn ferrite nanoparticles for enhanced magnetic properties