Thermal expansion of V6GaSb

Murthy, Gautam; Kistaiah, P.; Murthy, K. P. N.; Rasmussen, Svend Erik

doi:10.1007/bf00731028

Cited by 3 publications

(2 citation statements)

References 4 publications

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“…Generally NiCuZn ferrites are used for multilayer chip inductor applications (MLCI). This is due to their better electromagnetic properties [2,3]. MgCuZn ferrite is also a pertinent magnetic material with a wide range of applications owing to its superior properties such as high resistivity, low magnetostriction, fairly high Curie transition temperature, environmental stability and low cost [4][5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Comparison of initial permeability of MgCuZn ferrites sintered by both conventional and microwave methods

Madhuri

Reddy

et al. 2009

J. Phys. D: Appl. Phys.

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NiCuZn ferrites are widely employed for many electronic applications, but can be replaced by MgCuZn ferrites owing to their superior properties like low magnetostriction, environmental stability, low stress sensitivity and low cost. In view of this, a series of non-stoichiometric MgCuZn ferrites (Mg0.5−xCuxZn0.5Fe1.9O4−δ with x = 0.0, 0.05, 0.10, 0.15, 0.20, 0.25) have been successfully synthesized by both conventional and microwave sintering techniques. The non-stoichiometry was intentionally introduced into the ferrites to ensure high resistivity of the samples. X-ray diffraction patterns confirm the single phase spinel structure in both cases. The elemental composition of these ferrites was analysed by energy-dispersive x-ray spectrometry. The samples sintered by the microwave technique were found to be denser than the conventionally sintered samples. The initial permeability of MgCuZn ferrites was studied with an increase in copper concentration from x = 0.0 to 0.25. The temperature variation of the initial permeability of these samples was carried out from 30 °C to 150 °C. The results are discussed in the light of microstructure variations of the conventionally and microwave sintered samples. The phenomena involved in microwave sintering are also discussed.

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Section: Introductionmentioning

confidence: 99%

Comparison of initial permeability of MgCuZn ferrites sintered by both conventional and microwave methods

Madhuri

Reddy

et al. 2009

J. Phys. D: Appl. Phys.

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“…Very fine ferrite particles can be produced by the chemical co-precipitation and sol-gel methods 15 . Actually, these methods demonstrated that high-density ferrite could be obtained at relatively low sintering temperature, concentration and mixing method [16][17][18] .…”

Section: Introductionmentioning

confidence: 99%

Effect of Laser Irradiation on Micro-Structural Properties of Zinc Ferrite

Shahzad¹,

Jamil²,

Iqbal³

et al. 2014

Asian J. Chem.

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The Zn-ferrite (ZnxFe3-xO4) were prepared via co-precipitation of ZnCl2, FeCl3•6H2O in the presence of NaOH as a precipitating agent at 90 °C. The prepared ferrites were characterized by X-ray diffraction and particle size was investigated by Sheerer's formula. The Znferrites were irradiated by Nd:YAG laser and effect of laser radiation on micro-structural properties of Zn-ferrite were investigated. The particle size of unirradiated ferrites was ranged from 6 to 17 nm, while that of irradiated Zn-ferrites was found to be 5-53 nm. The minimum particle size for both radiated and irradiated sample was obtained at 0.4x of ZnxFe3-xO4. It was found that the electrical conductivity and average lattice constants of the irradiated samples were greater in comparison to un-irradiated samples; where as the densities of the irradiated samples are less than un-irradiated samples. Results showed that the laser irradiation can be used to enhance the microstructural properties of zinc ferrite.

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