Effect of boron substitution on the properties of NiZnCu ferrite for multilayer chip inductors

An, Sung Yong; Kim, Ic Seob; Song, So Yeon; Hahn, Jin Woo; Choi, Kang Ryong; Hyun, Sung Wook; Kim, Chin Mo; Kim, Chul Sung

doi:10.1016/j.tsf.2011.03.101

Cited by 4 publications

(2 citation statements)

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“…In addition, it is also used in isolator circulator microwave devices, telecommunication, phase shifter computer peripherals, equipments [13,14]. Spinel ferrites have large applications in high-density magnetic recording and enhanced memory storage, magnetic catalysts and magnetic fluids [15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

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Magneto Optical Properties of FeBxFe2−xO4 Nanoparticles

Amir

Geleri

Güner

et al. 2015

J Inorg Organomet Polym

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In this study, FeB x Fe 2-x O 4 nanoparticles (NPs) were synthesized by the polyol method. The M-H hysteresis curves exhibit superparamagnetic characteristics that are both coercivity and remanent magnetization values are negligible. The particle size dependent Langevin function was applied to calculate the magnetic particle dimensions around 9 nm. The measured magnetic moments of NPs are in range of (1.52-2.2) l B and almost half or less with respect to 4 l B of bulk Fe ferrite. Magnetic anisotropy was specified as uniaxial and calculated effective anisotropy constants (K eff ) are between 43.3 9 10 4 and 19.4 9 10 4 emu/g. The UV-Vis diffuse reflectance spectroscopy and Kubelka-Munk theory were used to determine the optical properties. The estimated optical band gap values (2.15-2.48 eV) of FeB x Fe 2-x O 4 NPs are bigger with respect to reported values (1.88-2.12 eV) for Fe 3 O 4 NPs in the literature. The bigger E g values are mainly attributed to B concentration and partly to quantum confinement effect.

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Section: Introductionmentioning

confidence: 99%

“…It was studied that appropriate addition of boron could increase the densification, by improve quality factor, magnetic moment of some ferrite such as Mn-Zn, NiZnCu etc. [17,21].…”

Section: Introductionmentioning

confidence: 99%