Structural, magnetic properties of nickel-substituted strontium W-type ferrites
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Nickel substituted W-type strontium ferrites Sr0.9Ce0.1Zn2-xNixFe16O27 (x=0.0, 0.2, 0.4, 0.6, 0.8 and 1.0) were prepared by aceramic method. The specimens exhibited a single-phase W-type structure when the Ni content (x) is 0 ≤ x ≤ 1. With theincreasing content of nickel dopant, the particles exhibited a hexagonal plate-like shape. The saturation magnetization andremanent magnetization increased x from 0.0 to 0.6, then decreased with x > 0.6. The coercivity of specimens increasedgradually for x ≤ 0.2 and then began to decrease from x = 0.3; the coercivity shows a downward trend with the Ni contentcontinuing to increase. Subsequently, as the Ni content increases, there is a downward trend compared to the unsubstitutedspecimens.
Abstract
Nickel substituted W-type strontium ferrites Sr0.9Ce0.1Zn2-xNixFe16O27 (x=0.0, 0.2, 0.4, 0.6, 0.8 and 1.0) were prepared by aceramic method. The specimens exhibited a single-phase W-type structure when the Ni content (x) is 0 ≤ x ≤ 1. With theincreasing content of nickel dopant, the particles exhibited a hexagonal plate-like shape. The saturation magnetization andremanent magnetization increased x from 0.0 to 0.6, then decreased with x > 0.6. The coercivity of specimens increasedgradually for x ≤ 0.2 and then began to decrease from x = 0.3; the coercivity shows a downward trend with the Ni contentcontinuing to increase. Subsequently, as the Ni content increases, there is a downward trend compared to the unsubstitutedspecimens.
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