Results 1 to 10 of about 1,417 (206)

Nonlinear magnetoelectric effects in Al-substituted strontium hexaferrite [PDF]

open access: yesScientific Reports, 2021
This report is on the observation and theory of electric field E induced non-linear magnetoelectric (NLME) effects in single crystal platelets of ferrimagnetic M-type strontium aluminum hexagonal ferrite.
Ying Liu   +8 more
doaj   +5 more sources

Polyacrylamide Ferrogels with Magnetite or Strontium Hexaferrite: Next Step in the Development of Soft Biomimetic Matter for Biosensor Applications [PDF]

open access: yesSensors, 2018
Magnetic biosensors are an important part of biomedical applications of magnetic materials. As the living tissue is basically a “soft matter.” this study addresses the development of ferrogels (FG) with micron sized magnetic particles of magnetite and ...
Alexander P. Safronov   +8 more
doaj   +9 more sources

Preparation of strontium hexaferrite magnets from celestite and blue dust by mechanochemical route [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2008
In the present investigation celestite (natural ore of strontium) and blue dust (iron ore fines) have been used for the preparation of strontium hexaferrite powder. The mechanical alloying process has been adopted to prepare strontium hexaferrite powder.
Tiwary R.K., Narayan S.P., Pandey O.P.
doaj   +3 more sources

Glass-Ceramic Synthesis of Cr-Substituted Strontium Hexaferrite Nanoparticles with Enhanced Coercivity [PDF]

open access: yesNanomaterials, 2021
Magnetically hard ferrites attract considerable interest due to their ability to maintain a high coercivity of nanosized particles and therefore show promising applications as nanomagnets ranging from magnetic recording to biomedicine.
Lev A. Trusov   +10 more
doaj   +2 more sources

Thermal History Dependent Al Distribution in Aluminum Substituted Strontium Hexaferrite. [PDF]

open access: yesMaterials (Basel), 2020
Single crystals of aluminum substituted strontium hexaferrite SrFe12–xAlxO19 were grown from sodium oxide based flux. The substitution level aimed for was x = 1.2. Annealing experiments performed on single crystals show that the Al distribution on the five iron sites of the hexaferrite structure depends on the annealing time at 900 °C. Single crystal X-
Häßner M, Vinnik DA, Niewa R.
europepmc   +6 more sources

PANI-wrapped BaFe12O19 and SrFe12O19 with rGO composite materials for electromagnetic interference shielding applications [PDF]

open access: yesHeliyon, 2023
We report electromagnetic interference (EMI) shielding efficiency in the PANI-wrapped BaFe12O19 and SrFe12O19 with rGO composites. Barium and strontium hexaferrites were synthesized using the nitrate citrate gel combustion method. These hexaferrites were
G.P. Abhilash   +3 more
doaj   +2 more sources

Green synthesis and characterization of hexaferrite strontium-perovskite strontium photocatalyst nanocomposites [PDF]

open access: yesMain Group Metal Chemistry, 2020
This study presents a preparation of SrFe12O19– SrTiO3 nanocomposite synthesis via the green auto-combustion method. At first, SrFe12O19 nanoparticles were synthesized as a core and then, SrTiO3 nanoparticles were prepared as a shell for it to ...
Karahroudi Zahra Hajian   +2 more
doaj   +2 more sources

An ab initio study of the magnetic properties of strontium hexaferrite [PDF]

open access: yesScientific Reports, 2021
The magnetic properties of $${\text{SrFe}}_{12}{\text{O}}_{19}$$ SrFe 12 O 19 , a paradigmatic hexaferrite for permanent magnet applications, have been addressed in detail combining density functional theory including spin–orbit coupling and a Hubbard U ...
C. Tejera-Centeno   +2 more
doaj   +2 more sources

Improved Electrical Properties of Strontium Hexaferrite Nanoparticles by Co2+ Substitutions. [PDF]

open access: yesACS Omega, 2022
In this work, the sol-gel route was employed to synthesize a series of Co2+-substituted strontium hexaferrite nanoparticles (Sr1-x Co x Fe12O19, x = 0.0-0.50) to study the effect of cobalt ions doping on the magnetic, electrical, and structural properties of the nanoparticles. The structural analysis of the synthesized nanoparticles, performed by X-ray
Rehman MR, Akram MA, Gul IH.
europepmc   +3 more sources

Different Stages of Phase Transformation in the Synthesis of Nanocrystalline Sr-Hexaferrite Powder Prepared by a Gaseous Heat Treatment and Re-Calcination Method [PDF]

open access: yesNanomaterials, 2022
In this paper, the phase transformation in a gaseous heat treatment and re-calcination (GTR) process for preparing nanocrystalline Sr-hexaferrite powder using methane (CH4) was studied.
Ramin Dehghan   +3 more
doaj   +2 more sources

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