Dr. John Mantilla, Universidade de Uberlandia, Brazil
Dr. John Mantilla is a prominent researcher in the field of nanomaterials, recognized for his innovative contributions and impactful studies. His work focuses on the synthesis, characterization, and applications of nanomaterials, addressing key challenges in various industries. John has published extensively, earning the Best Research Article Award for his groundbreaking research that advances the understanding of nanomaterials and their potential uses. With a commitment to fostering scientific excellence, he continues to inspire both peers and students through his dedication to research and education in nanotechnology.
Publication Profile
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Areas of Focus
Dr. John Mantilla‘s areas of expertise encompass a range of disciplines within the Exact and Earth Sciences. His work primarily focuses on Physics, specifically in the subfield of Condensed Matter Physics, where he specializes in Magnetic Materials and Magnetic Properties. Additionally, he explores Magnetic Resonance and Relaxation in Condensed Matter, including Mössbauer Effects and Angular Correlation. His research also extends to Nanosstructured Systems, contributing to advancements in these critical areas of study.
📚 Education
Dr. John Mantilla has a strong academic foundation in the fields of Physics and Chemistry. He earned his PhD in Physics from the University of São Paulo (USP), Brazil, from 1999 to 2004, with a thesis focusing on the structural and magnetic properties of the system Zn(1-x)Mn(x)In(2)Se(4), supervised by Valdir Bindilatti. His research was supported by a scholarship from the National Council for Scientific and Technological Development (CNPq), Brazil, emphasizing magnetism, structure, and exchange interactions, and contributing to the development of new materials. Prior to his doctoral studies, he completed a Master’s in Chemistry at Universidad de los Andes (ULA), Venezuela, from 1996 to 1999, where he investigated the magnetic properties of CoIn(2-2x)Cr(2x)S(4) under the guidance of Vicente Sagredo. His academic journey began with a Bachelor’s in Physics at ULA, from 1988 to 1995, where he studied the magnetic properties of Ni In(2-2x)Cr(2x)S(4), also advised by Vicente Sagredo.
💼 Experience
Dr. John Mantilla has a diverse professional background in academia, currently serving as a Public Servant and Professor at the Federal University of Uberlândia (UFU), Brazil, since 2024, where he is a Research Professor in the Ferroelectrics and Multifunctional Materials Group (GFMM), dedicating 40 hours per week. He previously held the role of Tenured Professor from 2019 to 2021 and was a Visiting Research Professor from 2013 to 2016 at UFU, as well as at the Federal University of Mato Grosso do Sul (UFMS) and the University of Brasília (UnB), where he taught General Physics I and Physics Laboratory I and II and was responsible for the SQUID Magnetometer. During 2017-2018, he worked part-time (6 hours per week) teaching General Physics Laboratory I and II. From 2006 to 2013, he was a Research Professor and Coordinator of the Molecular Physics Center Laboratory, teaching courses including Quantum Mechanics, Electromagnetism, and Quantum Physics I and II, and serving as the Coordinator of the Graduate Program in Physics and Medical Physics from 2009 to 2013. Earlier in his career, from 1995 to 1997, he was a Visiting Contracted Professor at the Federal University of Rio Grande do Norte (UFRN), the Central University of Venezuela (U.Central), and the University of the Andes (ULA), teaching courses in Mechanics, Physics I, and Physics II, as well as supervising Physics Laboratories I and II.
Publication Top Notes
Structural, morphological, and magnetic characterizations of (Fe₀.₂₅Mn₀.₇₅)₂O₃ nanocrystals: A comprehensive stoichiometric determination
Materials Chemistry and Physics, 2024-12. DOI: 10.1016/j.matchemphys.2024.129943.
A sensitive and selective platinum-based electrochemical sensor for detection of neurotransmitters: Design and proof of concept
Microchemical Journal, 2023-06-30. DOI: 10.1016/j.microc.2023.109017.
Core-shell Au/Fe₃O₄ nanocomposite synthesized by thermal decomposition method: Structural, optical, and magnetic properties
Applied Surface Science, 2021. DOI: 10.1016/j.apsusc.2021.150290.
Structural, optical and magnetic properties of CoAlₓFe₂₋ₓO₄ nanoparticles prepared by combustion reaction method
Journal of Alloys and Compounds, 2021. DOI: 10.1016/j.jallcom.2021.161398.
Field-driven spin reorientation in SmMnO₃ polycrystalline powders
Journal of Alloys and Compounds, 2020-12-10. DOI: 10.1016/j.jallcom.2020.156327.
Magnetic properties of the double perovskites Sm₂Mn₁₊ₓCo₁₋ₓO₆ (x = 0, 0.05, 0.12 and 0.26)
Journal of Physics: Condensed Matter, 2019-12-09. DOI: 10.1088/1361-648x/ab5988.
Evidence of surface spin-glass behavior in NiFe₂O₄ nanoparticles determined using magnetic resonance technique
Journal of Magnetism and Magnetic Materials, 2019-04. DOI: 10.1016/j.jmmm.2019.01.001.
Effects of silica coating on the magnetic properties of magnetite nanoparticles
Surface Innovations, 2019-03. DOI: 10.1016/j.surfin.2018.11.005.
Evidence of particle-particle interaction quenching in nanocomposite based on oleic acid-coated Fe₃O₄ nanoparticles after over-coating with essential oil extracted from Croton cajucara Benth
Journal of Magnetism and Magnetic Materials, 2018-11. DOI: 10.1016/j.jmmm.2018.07.036.
Washing effect on the structural and magnetic properties of NiFe₂O₄ nanoparticles synthesized by chemical sol-gel method
Materials Chemistry and Physics, 2018-07. DOI: 10.1016/j.matchemphys.2018.04.022.