Search Results - "Mantilla, John"

Effects of silica coating on the magnetic properties of magnetite nanoparticles by de Mendonça, Estelle Silva Diorato Teixeira, de Faria, Anna Carolina Britto, Dias, Sílvia Cláudia Loureiro, Aragón, Fermin F.H., Mantilla, John C., Coaquira, José A.H., Dias, José Alves

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A sensitive and selective platinum-based electrochemical sensor for detection of neurotransmitters: Design and proof of concept by Côrtes, Clarice, Mantilla, John C., da Silva, Sebastião W., Camara, Giuseppe A., Giz, M. Janete

“…[Display omitted] •Pt microparticles supported on GO/GC were designed as an electrochemical sensor.•Pt/GO/GC was used in solutions that mimic the composition…”
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Structural, morphological, and magnetic characterizations of (Fe0.25Mn0.75)2O3 nanocrystals: A comprehensive stoichiometric determination by Mantilla, John C., Nagamine, Luiz C.C.M., Cornejo, Daniel R., Cohen, Renato, de Oliveira, Wesley, Souza, Paulo E.N., Silva, Sebastião W. da, Aragón, Fermin F.H., Gastelois, Pedro L., Morais, Paulo C., Coaquira, José A.H.

“…This report aims to investigate in depth FeMnO3, a material of interest due to its fascinating magnetic and multiferroic properties and its many applications…”
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Field-driven spin reorientation in SmMnO3 polycrystalline powders by Mantilla, John, Morales, Marco, Venceslau, Wenderson, Corredor, Laura, Morais, P.C., Aragón, Fermin F.H., William da Silva, Sebastião, Coaquira, Jose A.

“…The SmMnO3 perovskite system shows interesting magnetic properties and making them an attractive material for specific technological application. However,…”
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Magnetic chitosan-functionalized Fe3O4@Au nanoparticles: Synthesis and characterization by Pati, Sudhanshu S., Singh, L. Herojit, Guimarães, E.M., Mantilla, John, Coaquira, J.A.H., Oliveira, A.C., Sharma, Virender K., Garg, Vijayendra K.

“…A simple synthesis method of chitosan functionalized Fe3O4-Au (Chit-Fe2O3@Au) nanoparticles (NPs) was developed. This method first prepared oleic acid-coated…”
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Effect of the thickness reduction on the structural, surface and magnetic properties of α-Fe2O3 thin films by Aragón, Fermin F.H., Ardisson, José D., Aquino, Juan C.R., Gonzalez, Ismael, Macedo, Waldemar A.A., Coaquira, José A.H., Mantilla, John, da Silva, Sebastião W., Morais, Paulo C.

“…Hematite (α-Fe2O3) polycrystalline thin films of different thicknesses were produced by thermal oxidation in air atmosphere from Fe metallic thin-films…”
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Structural, morphological, and magnetic characterizations of (Fe0.25Mn0.75)2O3 nanocrystals: a comprehensive stoichiometric determination by Mantilla, John C, Nagamine, Luiz C. C. M, Cornejo, Daniel R, Cohen, Renato, de Oliveira, Wesley, Souza, Paulo E. N, da Silva, Sebastião W, Aragón, Fermin F. H, Gastelois, Pedro L, Morais, Paulo C, Coaquira, José A. H

“…Iron manganese trioxide (Fe0.25Mn0.75)2O3 nanocrystals were synthesized by the sol-gel method. The 80 K Mossbauer spectrum was well-fitted using two doublets…”
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