نتایج جستجو برای: barium hexaferrite

تعداد نتایج: 8577  

2016
N. Dung D. Minh B. Cong N. Chau N. Phuc

The influence of La substitution on the structure, magnetic and electric properties of Sr hexaferrite is examined in isotropic and anisotropic samples. High quality hard ferrite is obtained with 1 weight % of La substitution ( for SiOz doping samples as well).

2007
A. L. Geiler Y. He S. D. Yoon A. Yang Y. Chen V. G. Harris

Oriented M-type hexaferrite thin films are deposited using the alternating target laser ablation deposition ATLAD technique utilizing PbO and Fe2O3 targets. Crystallographic, dc magnetic, and microwave characterization results confirming the presence of a hexagonal PbFe12O19 phase are presented. We conclude that the ATLAD technique holds great promise for layer by layer deposition of various he...

Journal: :Material Science Research India 2021

Barium hexaferrite (BaFe12O19; M-type; BaM) is an important, cost effective magnetic material for permanent magnet applications. The properties of the prepared samples, and purity BaM phase depend critically on synthesis route experimental conditions. In this study, hexaferrites were by co-precipitation method using two different values pH precursor solutions (11.0 12.5), sintering pellets co-p...

Journal: :Ceramics International 2021

We report the successful growth of BaFe12O19–BaTiO3 (BaM-BTO) bilayer thin films using pulsed laser deposition, considering different crystallographic textures; BTO on (0001)-BaM and BaM (100)-BTO. Our study involved bilayers, individual ferrite titanate films, targets used in their growth. Raman spectroscopy X-Ray diffraction were to examine structure BaM-BTO indicating that there is no format...

In this study, the effect of Fe/Ba molar ratio was investigated on the phase composition, synthesis temperature, microstructure and magnetic properties of barium hexaferrite prepared via mechanical activation. In order to synthesize this compound, Fe/Ba molar ratios of 12 and 6 were used. The effect of Fe/Ba molar ratio, milling time and heat treatment temperature for achieving the optimal cond...

رنجبر, مهدی, سلامتی, هادی, مصلح, زهرا, کاملی, پرویز,

In this study the structure, magnetic and microwave absorption properties of cerium (Ce) doped barium hexaferrite with general formulae BaCexFe12-xO19 (x=0.0, 0.05, 0.1, 0.15, 0.2) have been investigated. These samples have been prepared by sol- gel method. Influence of replacing Fe+3 ion by rare- earth Ce+3 ion on the structural, magnetic and microwave absorption properties have been investiga...

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