Crystal structure of superparamagnetic Mg0.2Ca0.8Fe2O4 nanoparticles synthesized by sol–gel method

Fabrication of MgFe2O4/MoS2 Heterostructure Nanowires for Photoelectrochemical Catalysis

“…The peak of C 1s could also be observed in the XPS spectrum, due to the residual carbon during precursor decomposition at high temperature. The high-resolution spectra of Mo 3d and S 2p exhibited peaks at 225.8 eV (Mo 3d 5/2 ) and 161.8 eV (S 2p 3/2 ), which suggested that Mo and S in the MoS 2 existed as tetravalent and divalent, respectively. , The peaks at 710.2 eV (Fe 2p 3/2 ), 530.0 (O 1s) and 1303.1 eV (Mg 1s) corresponded to three different atoms of MgFe 2 O 4 . − As a surface of the XPS characterization technique, the composition ratio within a very shallow depth to the surface could be determined. XPS spectra further confirmed that the MoS 2 has been successfully obtained and introduced into MgFe 2 O 4 /MoS 2 heterostructure.…”

Investigating the specific absorption rate and antimicrobial activity of Mn0.25Fe2.75O4/Ag ferrogel based on carboxymethyl cellulose/polyvinyl alcohol composite polymer

“…Those figures showed that the value of coercivity ( Hc ) is close to zero, therefore it can conclude that all of the samples have superparamagnetic properties. 45,46 This property is urgently needed for hyperthermia therapy materials because the material which having superparamagnetic properties easily control using an external magnetic field. Magnetic parameters can be well analyzed from the fitting results using the Langevin model.…”