Results 141 to 150 of about 47,537 (199)

High-performance hexaferrite magnets tailored through alignment of shape-controlled nanocomposites. [PDF]

RSC Adv
Eikeland AZ, Gjørup FH, Andersen HL, Christensen M.   +3 more
europepmc   +1 more source

Iron deficiency strategy toward single-phase high-entropy M-type ferrites for broadband millimeter-wave absorption with low thickness. [PDF]

Nat Commun
Liu C, Feng Y, Xiang X, Zhang Y, Liu E, Shao Y, Ying P, Kim DH, Ji G.   +8 more
europepmc   +1 more source

Phase Formation Mechanism and Anomalous Magnetic Variation of High-Performance La-Co-Doped Strontium Ferrites. [PDF]

Materials (Basel)
Fu P, Li Z, Wang F, Yang M, Liu L, Wang L, Gong H, Zhang J, Shen B.   +8 more
europepmc   +1 more source

Effect of Cd on Structural, Spectral, Morphological and Dielectric Properties of Sr1-xCdxZn2Fe4O11 R-type Hexaferrites Synthesized via Sol-gel Technique.

Heliyon
Aleem A, Khan HM, Zahid M, Ouyang C, Iqbal Hajana M, Azeem W, Atriq M, Boukhris I, Kebaili I.   +8 more
europepmc   +1 more source

Effect of Mn and Zn doping on natural resonance frequency of strontium U-type hexaferrite and its performance as electromagnetic wave absorbers

Journal of Alloys and Compounds, 2022
In the present work, substitution of strontium U-type hexaferrite with the composition of Sr4Mn2-xZnxFe36O60 (x = 0.5,0.6,0.8, and 1.0) was prepared via high energy ball milling (HEBM) and sintered at 1100 °C.
Mohd Nizar Hamidon, Mehmet Ertugrul, Fatma Nur Tuzluca Yesilbag   +2 more
exaly   +2 more sources

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Additive Manufacturing With Strontium Hexaferrite-Photoresist Composite

IEEE Transactions on Magnetics, 2023
Millimeter wave components, such as circulators and isolators, frequently use magnetic fields to break symmetry of the signal propagation and provide unidirectional signal transmission. While effective, these components have not seen the level of miniaturization of other millimeter wave components, primarily due to the discrete nature of the magnets ...
Max Ho, Srinivas P. M. Nagaraja, Rüştü Umut Tok, Aysan Rangchian, Pirouz Kavehpour, Yuanxun Ethan Wang, Rob Candler   +6 more
openaire   +1 more source

Kinetics of Strontium Hexaferrite Formation

Transactions of the Indian Ceramic Society, 1981
Kinetics of strontium hexaferrite (SrO. 6Fe2O3) formation from SrCO3 and Fe2O3 under isothermal conditions were studied by quantitative X-ray diffractometry at reaction temperatures of 745°, 895°, 950°, 984° and 1050°C for various reaction times from 2 minutes to 30 hours. At 745°C, two intermediates, 2SrO.
I. K. Naik, A. R. Das
openaire   +1 more source

Crystal structure of strontium hexaferrite SrFe12O19

Journal of Solid State Chemistry, 1988
The room temperature structure of SrFe/sub 12/O/sub 19/ hexagonal ferrite has been refined from X-ray single-crystal data. Structural isomorphism of the title compound with the hexagonal ferrite BaFe/sub 12/O/sub 19/ has been demonstrated. In particular, it is corroborated that the bipyramidal Fe ions have a fast diffusional motion within a ...
X. Obradors, X. Solans, A. Collomb, D. Samaras, J. Rodriguez, M. Pernet, M. Font-Altaba   +6 more
openaire   +1 more source

Domain structures in barium and strontium hexaferrites

Soviet Physics Journal, 1966
Powder figures have been used to study the domain structure of monocrystals of barium hexaferrite; the domain boundaries on a side face respond to a magnetic field. The domain structure of strontium hexaferrite is reported; the star structure on the end face has a definite order, and the pattern changes to wavy bands as the thickness of the crystal is ...
A. I. Drokin, S. Sh. Gendelev
openaire   +1 more source

Effect of bismuth substitution in strontium hexaferrite

AIP Conference Proceedings, 2018
Bismuth (Bi) substituted M-type strontium hexaferrite (Sr1-xBix Fe12O19, x=0 and 0.02) are synthesized by sol-gel auto combustion method. Powder X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) shows increase in lattice parameter and particle size (500 nm to 3 micron) respectively, for Bi substituted sample. Magnetization
M. R. Sahoo, S. Kuila, K. Sweta, A. Barik, P. N. Vishwakarma   +4 more
openaire   +1 more source