Results 151 to 160 of about 2,555 (212)

Studies on the electrical and optical conductivity of barium-nickel ferrite nanoparticles doped with Zn. [PDF]

Discov Nano
Khoreem SH, Al-Hammadi AH.
europepmc   +1 more source

Controlling Amyloid Assembly Dynamics Using Spin Interfaces. [PDF]

ACS Nano
Kapon Y, Merhav D, Finkelstein-Zuta G, Blumen O, Melamed-Book N, Levi-Kalisman Y, Torchinsky I, Yochelis S, Sharon D, Baczewski LT, Gazit E, Paltiel Y.   +11 more
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Magnetic Fe_1-<i>x</i> Zn _<i>x</i> Fe₂O₄ nanoparticles as dual adsorbents for Cr(vi) and Direct Red 79: kinetics, isotherms, and mechanistic insights. [PDF]

RSC Adv
Thi Hau V, Thuy Chinh N, Hoai Linh P, Loan NTT, Thi Mai Viet N, Duc Dung D, Dung NQ.   +6 more
europepmc   +1 more source

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Crystallization of barium hexaferrite

Proceedings, annual meeting, Electron Microscopy Society of America, 1992
Barium hexaferrite (BaFe12O19) is a promising candidate for high density magnetic recording media due to its superior magnetic properties. For particulate recording media, nano-sized single crystalline powders with a narrow size distribution are a primary application requirement.
Chung-kook Lee, Yolande Berta, Robert F. Speyer   +2 more
openaire   +1 more source

Formation of barium hexaferrite

Journal of Magnetism and Magnetic Materials, 1975
Abstract The reactivity of hematite produced by pyrolysis of iron salts at various temperatures was assessed by surface area measurement, electron microscopy, crystal size and by reacting it with BaCO3 to form hexaferrite. The effect of heating rate, soaking temperature and time were studied.
A.M. Gadalla, H.W. Hennicke
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Lanthanum-substituted barium hexaferrites

Soviet Powder Metallurgy and Metal Ceramics, 1971
A study was made of the effect of lanthanum oxide on the properties of barium hexaferrites. It is shown that, by introducing small quantities of lanthanum oxide, it is possible to produce a material with (BH)max of 0.9 · 106 G-Oe, which is practically unaffected by sintering temperature.
I. N. Frantsevich, L. N. Tul'chinskii
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Enhanced Magnetic Properties of Barium Hexaferrite

Journal of Electronic Materials, 2020
Samples having the composition BaFe12−2xCoxSmxO19 (x = 0.0, 0.2, 0.4, 0.6) are prepared by a WOWS (without water and surfactants) sol–gel technique, and the structural, morphological, and AC and DC electrical and magnetic properties of the samples are investigated.
Ghulam Asghar, Sidra Asri, Syed Nasir Khusro, Ghulam Hasnain Tariq, M. S. Awan, M. Irshad, Akif Safeen, Y. Iqbal, Waqar Hussain Shah, Muhammad Anis-ur-Rehman   +9 more
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Barium hexaferrite suspensions for electrophoretic deposition

Journal of Colloid and Interface Science, 2009
In this investigation we have looked at the preparation of barium hexaferrite suspensions, with the stability of the magnetic barium hexaferrite particles being increased by the addition of a surfactant, dodecylbenzylsulfonic acid (DBSA). The influence of the solubility DBSA in different solvents and its adsorption onto the surfaces of particles with ...
Simona, Ovtar, Darja, Lisjak, Miha, Drofenik   +2 more
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Magnetic Behavior of Barium Hexaferrite Nanoparticles

Advanced Materials Research, 2011
An analysis of the magnetic behavior of Barium Hexaferrite nanoparticles is presented in this paper. The particles’ average size is around 200 nm. The SU-8 photoresist is used as dielectric host matrix in which the particles are embedded. The volume fraction of magnetic particles reached is around 10%. Microwave characterizations show the properties of
Boyajian, Taline, Vincent, Didier, Leberre, Martine, Neveu, Sophie   +3 more
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Exchange interactions in barium hexaferrite

Physical Review B, 2005
The electronic structure of $\mathrm{Ba}{\mathrm{Fe}}_{12}{\mathrm{O}}_{19}$ hexaferrite is calculated using the density functional theory and generalized gradient approximation (GGA). The $\mathrm{GGA}+\mathrm{U}$ method is used to improve the description of strongly correlated $3d$ electrons of Fe.
P. Novák, J. Rusz
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