Results 31 to 40 of about 47,537 (199)

M-Type SrFe12O19 Ferrite: An Efficient Catalyst for the Synthesis of Amino Alcohols under Solvent-Free Conditions

open access: yesJournal of Chemistry, 2020
Magnetically separable strontium hexaferrite SrFe12O19 was prepared using the chemical coprecipitation method, and the nanostructured material was characterized by X-ray diffraction, scanning electron microscopy (SEM), energy-dispersive spectrometry (EDS)
Mouhsine Laayati   +8 more
doaj   +1 more source

Influence of electromagnetic effect parameters on ferromagnetic powders fluidity

open access: yesMATEC Web of Conferences, 2018
The paper presents result of experimental studies of ferromagnetic powders fluidity management by effecting on particulate medium with constant and alternating gradient magnetic fields.
Egorov Ivan N., Egorov Nikolay Ya.
doaj   +1 more source

Ca–Al double-substituted strontium hexaferrites with giant coercivity

open access: yesChemical Communications, 2018
Ca–Al double-substituted strontium hexaferrites exhibit record-high coercivities up to 21.3 kOe.
Lev A. Trusov   +9 more
openaire   +4 more sources

Structural, magnetic, and Mössbauer spectroscopic study of La3+ and Cu1+ co-doped M-type strontium hexaferrite

open access: yesAIP Advances, 2022
Effects of La3+ and Cu1+ co-doping on the structural and the magnetic properties of M-type strontium hexaferrite have been studied by using crystallographic and magnetic measurements.
Hyung Joon Kim, Sunghyun Yoon
doaj   +1 more source

Formation of the microstructure and properties of strontium hexaferrite magnets using powder injection molding

open access: yesТонкие химические технологии
Objectives. The study set out to investigate the possibility of production strontium hexaferrite permanent magnets using powder injection molding (PIM) technology, which involves casting granules highly filled with ceramic powder.
B. D. Chernyshev, I. V. Schetinin
doaj   +1 more source

A novel method for synthesizing narrow particle size distribution of holmium–doped strontium hexaferrite by sol-gel auto-combustion

open access: yesMaterials Research Express, 2020
In this study, a new technique put in to the sol-gel auto-combustion method which is the preparation of solutions and treatment of products by using ultrasonic liquid sonicate.
Znar Saeed, Bruska Azhdar
doaj   +1 more source

Magnetic characterization of La3+ and Li1+ co-substituted M-type strontium hexaferrite

open access: yesAIP Advances, 2023
Effects of stoichiometric La3+–Li1+ co-substitution on magnetic properties of M-type strontium hexaferrites Sr1-xLaxFe12-x/2Lix/2O19 (x = 0, 0.25, 0.4, 0.5, 0.6) have been studied by using crystallographic and magnetic measurements. Samples were prepared
Chul Sung Kim, Sunghyun Yoon
doaj   +1 more source

Band–gap reduction of aluminum substituted M−type hexagonal ferrite to study its characteristics

open access: yesResults in Chemistry, 2023
The sol-gel auto-combustion approach was used to create a binary combination of Strontium aluminum chromium M−type hexaferrites at the iron site. The hexagonal phase and normal composition of prepared substances were confirmed through X-ray diffraction ...
Muhammad Junaid   +4 more
doaj   +1 more source

First principles investigation of substituted strontium hexaferrite [PDF]

open access: yes, 2015
This dissertation investigates how the magnetic properties of strontium hexaferrite change upon the substitution of foreign atoms at the Fe sites.
Dixit, Vivek
core  

Design, Control, and Clinical Applications of Magnetic Actuation Systems: Challenges and Opportunities

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This review aims to provide a broad understanding for interdisciplinary researchers in engineering and clinical applications. It addresses the development and control of magnetic actuation systems (MASs) in clinical surgeries and their revolutionary effects in multiple clinical applications.
Yingxin Huo   +3 more
wiley   +1 more source

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