Effect of Cu-Doped Nickel Ferrites on Structural, Magnetic, and Dielectric Properties

Anjum S.; Rashid A.; Bashir F.; Riaz S.; Pervaiz M.; Zia R.

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Effect of Cu-Doped Nickel Ferrites on Structural, Magnetic, and Dielectric Properties

機譯：銅摻雜鎳鐵氧體對結構，磁性和介電性能的影響

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NiCu ferrites with the general formula Ni_1-xCu_xFe₂O₄, where

(x,=0)

, 0.2, 0.4, 0.6, 0.8, have been synthesized by double-sintering method. The single-phase spinel structure is confirmed by X-ray diffractometer. This analysis showed the increasing behavior of lattice parameter due to the larger ionic radii of the Cu ion. Fourier transform infrared spectra confirmed the two prominent bands of spinel ferrites in the range 1000–400 cm

(^{-1})

. Magnetic properties are studied using vibrating sample magnetometer. It is investigated that the saturation magnetization decreases linearly as the copper concentration increases. The surface morphology is carried out using scanning electron microscopy. The dielectric properties have been investigated as a function of frequency. The dielectric constant is decreased and ac conductivity is increased at higher frequency.

機譯：通式為Ni _{1- x Cu _{x Fe _{2 O的NiCu鐵氧體_{4 ，其中（x，= 0），0.2、0.4、0.6， 0.8，已經通過雙重燒結法合成。單相尖晶石結構通過X射線衍射儀確認。該分析表明，由于銅離子的離子半徑較大，晶格參數的行為有所增加。傅立葉變換紅外光譜確認了在1000–400 cm范圍內尖晶石鐵氧體的兩個顯著帶（^ {-1}）。使用振動樣品磁力計研究磁性能。研究表明，隨著銅濃度的增加，飽和磁化強度呈線性下降。使用掃描電子顯微鏡進行表面形態(tài)。已經研究了介電特性與頻率的關系。介電常數降低，交流電導率增加。}}}}

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來源
《Magnetics, IEEE Transactions on》 |2014年第8期|1-4|共4頁
作者
Anjum S.; Rashid A.; Bashir F.; Riaz S.; Pervaiz M.; Zia R.;
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作者單位

Department of Physics, Lahore College for Women University, Lahore, Pakistan;

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原文格式 PDF
正文語種 eng
中圖分類
關鍵詞
Dielectric properties; magnetic properties; spinel ferrites; surface morphology;

機譯：介電性能磁性尖晶石鐵氧體表面形態(tài);

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Effect of Cu-Doped Nickel Ferrites on Structural, Magnetic, and Dielectric Properties

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