Results 21 to 30 of about 7,335 (259)

Modelling the magnetization data of Fe3O4 nanoparticles above blocking temperature

open access: yesNano Express, 2023
Nanoparticles of Fe _3 O _4 are prepared by simple co-precipitation method. The sample is characterized using an x-ray diffractometer, transmission electron microscope, and vibrating sample magnetometer.
Navneet Kaur
doaj   +1 more source

Lattice-Match Stabilization and Magnetic Properties of Metastable Epitaxial Permalloy-Disilicide Nanostructures on a Vicinal Si(111) Substrate

open access: yesNanomaterials, 2021
We report the epitaxial formation of metastable γ-(FexNi1−x)Si2 nanostructure arrays resulting from the reaction of Ni80Fe20 permalloy with vicinal Si(111) surface atoms.
Anjan Bhukta   +3 more
doaj   +1 more source

Synthesis, Characterization, and Optimization of Magnetoelectric BaTiO3–Iron Oxide Core–Shell Nanoparticles

open access: yesNanomaterials, 2020
Improvement of magnetic, electronic, optical, and catalytic properties in cutting-edge technologies including drug delivery, energy storage, magnetic transistor, and spintronics requires novel nanomaterials.
Mahmud Reaz, Ariful Haque, Kartik Ghosh
doaj   +1 more source

Synthesis of Hematite Nanoparticles by Ball Milling and the Study of the Magnetic Properties and its Microstructure [PDF]

open access: yesChemical Process Design, 2023
This study focuses on the synthesis and characterization of hematite nanoparticles using the ball milling process. The research investigates the changes in microstructure and magnetic properties of the powders during the milling process using XRD, SEM ...
Esmaeil Koohestanian   +1 more
doaj   +1 more source

Efficient One-Pot Synthesis of 1,4-Dihydropyridines Catalyzed by Magnetic MnFe2O4 Nanoparticles

open access: yesActa Chimica Slovenica, 2022
The efficient one-pot synthesis of some 1,4-dihydropyridines is described by a condensation reaction of some aldehyde derivatives, ethyl acetoacetate and ammonium acetate in the presence of superparamagnetic manganese ferrite nanoparticles at 80 °C.
Somayeh Moradi   +2 more
doaj   +1 more source

Evolution of superparamagnetism in the electrochemical dealloying process

open access: yes, 2020
In situ superconducting quantum interference device magnetometry provides insights into the electrochemical dealloying mechanism of a CoPd alloy. Charge-dependent measurements of magnetic moment allow the separation of primary and secondary dealloying ...
M. Gößler   +5 more
semanticscholar   +1 more source

Synthesis of Superparamagnetic Fe3O4 Nano-Adsorbent Using an Energy-Saving and Pollution-Reducing Strategy for the Removal of Xylenol Orange Dye in Water

open access: yesEnergies, 2022
The superparamagnetic Fe3O4 nanoparticles as an absorbent with a size distribution of 4.8–6.4 nm were synthesized using a simple one-pot hydrothermal strategy at 200 °C for 24 h, where iron citrate and distilled were the sum total of raw materials.
Yaohui Xu, Qin Wang, Zhao Ding
doaj   +1 more source

Superparamagnetic colloids in viscous fluids [PDF]

open access: yesScientific Reports, 2017
AbstractThe influence of a magnetic field on the aggregation process of superparamagnetic colloids has been well known on short time for a few decades. However, the influence of important parameters, such as viscosity of the liquid, has received only little attention.
Darras, Alexis   +3 more
openaire   +3 more sources

Preparation and characterization of superparamagnetic Fe3O4 nanoparticles modified by P(AA-co-MPC)

open access: yesCailiao gongcheng, 2019
A series of copolymers (P(AA-co-MPC)) with acrylic acid (AA) and 2-methacryloy-loxyethyl phosphorylcholine (MPC) monomers were synthesized via RAFT polymerization.
SANG Ji-meng   +4 more
doaj   +1 more source

Soft solution growth of magnetite-maghemite nanocrystals in crosslinked chitosan templates and their superparamagnetic properties

open access: yesNanocomposites, 2022
Crosslinked chitosan/iron oxide nanocomposites (CC/IO) were synthesized at low temperatures using aqueous systems, i.e. hydrothermal and refluxing methods.
Sukanda Vaewbundit, Punnama Siriphannon
doaj   +1 more source

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