Relevant bibliographies by topics / Fe3O4

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Fe3O4'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 July 2025

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Journal articles on the topic "Fe3O4"

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Xiang, Hengli, Genkuan Ren, Yanjun Zhong, et al. "Fe3O4@C Nanoparticles Synthesized by In Situ Solid-Phase Method for Removal of Methylene Blue." Nanomaterials 11, no. 2 (2021): 330. http://dx.doi.org/10.3390/nano11020330.

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Fe3O4@C nanoparticles were prepared by an in situ, solid-phase reaction, without any precursor, using FeSO4, FeS2, and PVP K30 as raw materials. The nanoparticles were utilized to decolorize high concentrations methylene blue (MB). The results indicated that the maximum adsorption capacity of the Fe3O4@C nanoparticles was 18.52 mg/g, and that the adsorption process was exothermic. Additionally, by employing H2O2 as the initiator of a Fenton-like reaction, the removal efficiency of 100 mg/L MB reached ~99% with Fe3O4@C nanoparticles, while that of MB was only ~34% using pure Fe3O4 nanoparticles
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Sun, Li, Fu Tian Liu, Qi Hui Jiang, Xiu Xiu Chen, and Ping Yang. "Monodisperse Fe3O4/Fe Core/Shell Nanoparticles with Enhanced Magnetic Property." Advanced Materials Research 306-307 (August 2011): 410–15. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.410.

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Core/shell type nanoparticles with an average diameter of 20nm were synthesized by chemical precipitation method. Firstly, Monodisperse Fe3O4 nanoparticles were synthesized by solvethermal method. FeSO4ž7H2O and NaBH4 were respectively dissolved in distilled water, then moderated Fe3O4 particles and surfactant(PVP) were ultrasonic dispersed into the FeSO4ž7H2O solution. The resulting solution was stirred 2 h at room temperature. Fe could be deposited on the surface of monodispersed Fe3O4 nanoparticles to form core-shell particles. The particles were characterized by using various experimental
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Yin, Song, Tiantian Zhang, Yinfeng Yu, et al. "Study on the Preparation and Optical Properties of Graphene Oxide@Fe3O4 Two-Dimensional Magnetically Oriented Nanocomposites." Materials 16, no. 2 (2023): 476. http://dx.doi.org/10.3390/ma16020476.

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In this work, graphene oxide@Fe3O4 (GO@Fe3O4) two-dimensional magnetically oriented nanocomposites were prepared through the co-precipitation approach using graphene oxide as the carrier and FeCl3·6H2O and FeSO4·7H2O as iron sources. The samples were characterized and tested by X-ray diffraction, a transmission electron microscope, Fourier-transform infrared spectroscopy, a vibrating-specimen magnetometer, a polarized optical microscope, an optical microscope, etc. The effects of material ratios and reaction conditions on the coating effects of Fe3O4 on the GO surface were investigated. The st
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Reknosari, Elen, Teguh Wirawan, and Soerja Koesnarpadi. "PHENOL ADSORPTION USING COMPOSITE ADSORBENT Fe3O4-ACTIVATED CHARCOAL COFFEE GROUNDS." JURNAL KIMIA MULAWARMAN 18, no. 1 (2020): 30. http://dx.doi.org/10.30872/jkm.v18i1.923.

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ABSTRACT
 
 Phenol adsorption using composite adsorbent Fe3O4-activated charcoal coffee grounds has been done. Composite adsorbent Fe3O4 -activated charcoal coffee grounds are synthesized from FeSO4. 7H2O and FeCl3. 6H2O with a ratio of 3: 2 and then compiled with activated coffee charcoal. The composite adsorbent Fe3O4-activated coffee charcoal was characterized by Fourier Transform Infared (FTIR) and Scanning Electron Microscopy (SEM) as well as the adsorption test on phenol. The results of the characterization with Fourier Transform Infared (FTIR), peak 1604.77 cm-1 appeared showi
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Tegafaw, Tirusew, Wenlong Xu, Sang Hyup Lee, Kwon Seok Chae, Yongmin Chang, and Gang Ho Lee. "Production of nearly monodisperse Fe3O4 and Fe@Fe3O4 nanoparticles in aqueous medium and their surface modification for biomedical applications." International Journal of Modern Physics B 31, no. 04 (2017): 1750014. http://dx.doi.org/10.1142/s021797921750014x.

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Iron (Fe)-based nanoparticles are extremely valuable in biomedical applications owing to their low toxicity and high magnetization values at room temperature. In this study, we synthesized nearly monodisperse iron oxide (Fe3O4) and Fe@Fe3O4 (core: Fe, shell: Fe3O[Formula: see text] nanoparticles in aqueous medium under argon flow and then, coated them with various biocompatible ligands and silica. In this study, eight types of surface-modified nanoparticles were investigated, namely, Fe3O4@PAA (PAA = polyacrylic acid; [Formula: see text] of PAA = 5100 amu and 15,000 amu), Fe3O4@PAA–FA (FA = fo
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Kim, Min, Seung-Cheol Jee, Jung-Suk Sung, and Avinash A. Kadam. "Supermagnetic Sugarcane Bagasse Hydrochar for Enhanced Osteoconduction in Human Adipose Tissue-Derived Mesenchymal Stem Cells." Nanomaterials 10, no. 9 (2020): 1793. http://dx.doi.org/10.3390/nano10091793.

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Hydrothermally carbonized sugarcane bagasse (SCB) has exceptional surface properties. Looking at the huge amount of SCB produced, its biocompatible nature, cheap-cost for carbonization, and its easy functionalization can give impeccable nano-biomaterials for tissue engineering applications. Herein, sugarcane bagasse was converted into hydrochar (SCB-H) by hydrothermal carbonation. The SCB-H produced was further modified with iron oxide (Fe3O4) nanoparticles (denoted as SCB-H@Fe3O4). Facile synthesized nano-bio-composites were characterized by SEM, HR-TEM, XRD, FT-IR, XPS, TGA, and VSM analysis
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Abdeen, Mai, Soraya Sabry, Hanan Ghozlan, Ahmed A. El-Gendy, and Everett E. Carpenter. "Microbial-Physical Synthesis of Fe and Fe3O4 Magnetic Nanoparticles Using Aspergillus niger YESM1 and Supercritical Condition of Ethanol." Journal of Nanomaterials 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/9174891.

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Magnetic Fe and Fe3O4 (magnetite) nanoparticles are successfully synthesized using Aspergillus niger YESM 1 and supercritical condition of liquids. Aspergillus niger is used for decomposition of FeSO4 and FeCl3 to FeS and Fe2O3, respectively. The produced particles are exposed to supercritical condition of ethanol for 1 hour at 300°C and pressure of 850 psi. The phase structure and the morphology measurements yield pure iron and major Fe3O4 spherical nanoparticles with average size of 18 and 50 nm, respectively. The crystal size amounts to 9 nm for Fe and 8 nm for Fe3O4. The magnetic propertie
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Wu, Bao Cai, and Chun Ming Liu. "Rust Layer Structure Analysis of Q235 Atmospheric Corraded in Tangshan Industrial Estate." Advanced Materials Research 476-478 (February 2012): 269–72. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.269.

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Metallic materials are corraded unavoidably with deterioration of eviroment in heavy industry cities. Transformation of rust layer structure of Q235 atmospheric corraded in Tangshan industrial estate was analyzed with instrumentalities of X-ray Diffraction (XRD), Scanning Electron Microscope (SEM) , EDS and so on. The results showed that corrosion outcomes of Q235 transformed from FeOOH and Fe3O4 to FeOOH, Fe3O4 and FeSO4 through insolation in one year.
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Wulandari, Retno Fitri, Dhea Paradita, Nandang Mufti, M. Tommy Hasan Abadi, Ahmad Taufiq, and Mujamilah. "Fe<sub>3</sub>O<sub>4</sub> Nanoparticles Prepared by Coprecipitations Method for Hyperthermia Therapy." Key Engineering Materials 940 (January 30, 2023): 73–80. http://dx.doi.org/10.4028/p-jh6d31.

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Magnetic nanoparticles (Fe3O4) have considerable attention in various biomedical applications such as biosensors, drug delivery systems in the body, magnetic resonance imaging (MRI), and hyperthermia therapy. Hyperthermia therapy uses heat controlled by applied AC (Alternating Current) magnetic to kill cancer cells. This research aims to determine the effect of changes in temperature caused by the AC magnetic field on the varied magnetic nanoparticle solution. The Synthesize of Fe3O4 used the coprecipitation method to produce Fe3O4 nanoparticles. Mass of Fe3O4 nanoparticles varied of 95 mg and
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Zhang, Junjie, Jilong Wang, Yaoming Fu, et al. "Nanoscale Fe3O4 Electrocatalysts for Oxygen Reduction Reaction." Molecules 30, no. 8 (2025): 1753. https://doi.org/10.3390/molecules30081753.

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This study presents a straightforward hydrothermal synthesis approach to fabricate uniform and highly dispersed nanoscale Fe3O4 electrocatalysts for the oxygen reduction reaction (ORR). FeSO4·7H2O is used as the precursor, and sodium dodecyl sulfate (SDS) is incorporated as a dispersing agent to optimize particle size and dispersion. The SDS concentration plays a crucial role in controlling the particle size and distribution, with higher SDS concentrations resulting in smaller, well-dispersed particles (30–40 nm), compared to the agglomerated particles formed without SDS. The Fe3O4 catalyst de
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Dissertations / Theses on the topic "Fe3O4"

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Rodrigues, Marcos Renan Flores. "Estudo e caracterização de nanopartículas de Fe3O4, Fe2O3, Fe3O4/ Aunanop E Fe2O3/Aunanop." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/184573.

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Nanopartículas de Fe3O4 e Fe2O3 foram sintetizadas a partir da rota de coprecipitação, em atmosfera de N2, mantendo-se o pH entre 9 e 14 na temperatura ambiente e utilizando como precursores o FeCl2 e FeCl3. Após a síntese, as nanopartículas foram tratadas termicamente a 250, 500 e 800 oC. Para obtenção de um sistema híbrido, foram sintetizadas nanopartículas de ouro sobre as nanopartículas de óxido previamente tratadas em diferentes temperaturas. As amostras foram caracterizadas por UV-Vis, difratometria de Raios-X (DRX), microscopia eletrônica de transmissão (MET), microscopia eletrônica de
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Nunes, Eloiza da Silva [UNESP]. "Preparação e caracterização de nanocompósitos de Fe@SiO2, Fe@Fe3O4 e Fe3O4@PNIPAM." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/124538.

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Made available in DSpace on 2015-07-13T12:10:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-02-05. Added 1 bitstream(s) on 2015-07-13T12:24:08Z : No. of bitstreams: 1 000826270_20160205.pdf: 226859 bytes, checksum: 619f39d8f546393cad7cff3abb1a91cb (MD5) Bitstreams deleted on 2016-02-05T13:56:02Z: 000826270_20160205.pdf,. Added 1 bitstream(s) on 2016-02-05T13:56:44Z : No. of bitstreams: 1 000826270.pdf: 25046020 bytes, checksum: fb29338aa8631d88b7bca10a5d22a9be (MD5)<br>Neste trabalho foi investigada a obtenção de nanopartículas de ferro metálico em diferentes meios não aquosos
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Cláudia, Vaz de Araújo Ana. "Síntese de nanopartículas de Fe3O4, nanocompósitos de Fe3O4 com polímeros e materiais carbonáceos." Universidade Federal de Pernambuco, 2011. https://repositorio.ufpe.br/handle/123456789/9226.

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Made available in DSpace on 2014-06-12T23:13:41Z (GMT). No. of bitstreams: 2 arquivo3113_1.pdf: 4832210 bytes, checksum: b68ee8eea631e7317ec09c0f8f995567 (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2011<br>Universidade Federal Rural de Pernambuco<br>Nanopartículas magnéticas de Fe3O4 foram sintetizadas através do método da precipitação a partir de uma solução aquosa de sulfato ferroso, sob ultrassom. Um planejamento fatorial 23 em duplicata foi desenvolvido para determinar as melhores condições de síntese e obter o menor tamanho de
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Jesus, Ana Carla Batista de. "Síntese e caracterização de nanoestruturas Fe3O4 e Fe3O4@Ag para estudos com hipertermia magnética." Pós-Graduação em Física, 2018. http://ri.ufs.br/jspui/handle/riufs/8037.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Fundação de Apoio a Pesquisa e à Inovação Tecnológica do Estado de Sergipe - FAPITEC/SE<br>In this work we have performed a study of the structural and magnetic properties in Fe3o4@Agx nanostructures (x=0,1,5 and 10%), synthesized by thermal decomposition (DT) and co-precipitation (CP). The samples were characterized by measurements of X-ray diffraction (XRD) and transmission electron microscopy (TEM). The XRD patterns indicate the presence of the Fe3o4 and Ag phase. The mean crystallites size corresponding to the Fe3o4 est
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Matos, Izabela Teles de. "Caracterização em escala atômica de nanopartículas magnéticas de magnetita e ferrita do tipo TMFe2O4 (TM = Co, Ni) para uso em biomedicina pela espectroscopia de correlação angular gama-gama perturbada." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/85/85131/tde-30012019-144245/.

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Este trabalho descreve, sob um ponto de vista atômico, a investigação das nanopartículas magnéticas (NPMs) de magnetita (Fe3O4) e ferritas do tipo TMFe2O4 (TM = Co, Ni), que são uma classe de materiais estruturados que atualmente tem um grande interesse devido à grande variedade de suas possíveis aplicações tecnológicas e biomédicas, pela Espectroscopia de Correlação Angular &gamma;-&gamma; Perturbada (CAP). Para a produção das NPMs foram utilizadas duas rotas químicas: o método de co-precipitação e o método de decomposição térmica. A co-precipitação apresenta as vantagens de ter temperaturas
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Ballesteros, Camilo Arturo Suarez. "Síntese e caracterização de nanopartículas Fe3O4@Au e desenvolvimento de sensores para aplicações em nanomedicina." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-23102012-101205/.

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Com o desenvolvimento de novos nanomateriais têm-se descoberto propriedades eletrônicas, elétricas, ópticas e catalíticas únicas para aplicações nanotecnológicas. Entre estes nanomateriais com caraterísticas singulares, estão as nanopartículas (Np) Core&alpha;Shell, as quais combinam propriedades físico-químicas de dois materiais diferentes, provendo maior eficiência em aplicações como nanoeletrônica, sensoreamento, biossensoreamento e biomédicas. Neste trabalho, Np Core&alpha;Shell são sintetizada com núcleo (Core) de Np Fe&#8323;O&#8324; e com casca (Shell) de Np Au, formando as Nps Fe&#8323
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Huet, Sarah Damasceno Pinheiro. "Estudo das interações hiperfinas em nanopartículas de Fe3O4 e Fe3O4 dopadas com gadolínio pela espectroscopia de correlação angular perturbada." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/85/85131/tde-20062014-132040/.

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Neste trabalho foram estudadas as nanopartículas magnéticas (NPs) de interesse em biomedicina de Fe3O4 e de Fe3O4 dopadas com Gd 5% pela técnica de Espectroscopia de correlação angular gama-gama perturbada (CAP). As amostras de Fe3O4 foram sintetizadas pelos métodos de co-precipitação e decomposição térmica e as nanopartículas de Fe3O4 dopadas com Gd 5% foram sintetizadas pelo método da coprecipitação. As amostras de nanoparticulas foram caracterizadas quanto a sua estrutura pela difração de raios X (DRX) e quanto ao seu tamanho pela técnica de microscopia eletrônica de transmissão (TEM). Os r
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Bataille, Alexandre. "Etude des propriétés physiques des films de Fe3O4 et de la polarisation en spin à l'interface Fe3O4/gamma-Al2O3." Paris 11, 2005. https://tel.archives-ouvertes.fr/tel-00085941.

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La magnétite Fe3O4 est un matériau prometteur pour l'électronique de spin, puisque des calculs de structure de bande la prédisent demi-métallique, c'est à dire totalement polarisée en spin au niveau de Fermi. Nous avons fait croître des films minces de Fe3O4 de 3 à 50 nm d'épaisseur sur γ-Al2O3 par épitaxie par jets moléculaires. Les films sont monocristallins mais présentent un grand nombre de parois d'antiphase qui sont responsables des anomalies magnétiques observées. Nous avons reproduit le comportement magnétique des films à l'aide d'un modèle unidimensionnel et confronté les résultats av
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Bataille, Alexandre. "Etude des propriétés physiques des films de Fe3O4 épitaxiés et de la polarisation en spin à l'interface Fe3O4/γ-Al2O3". Phd thesis, Université Paris Sud - Paris XI, 2005. http://tel.archives-ouvertes.fr/tel-00085941.

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La magnétite Fe3O4 est un matériau prometteur pour l'électronique de spin, puisque des calculs de structure de bande la prédisent demi-métallique, ce qui laisse supposer des effets de magnétorésistance importants pour des jonctions tunnel magnétiques utilisant Fe3O4 comme électrode. Nous avons fait croître des films minces de Fe3O4 de 3 à 50 nm d'épaisseur sur α-Al2O3 par épitaxie par jets moléculaires. Les films sont monocristallins mais contiennent des parois d'antiphase. Celles-ci sont responsables des anomalies magnétiques observées sur les films, que nous avons pu reproduire à l'aide d'un
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Lima, Bruno Henrique Ramos de. "Nanopartículas de Fe3O4 funcionalizadas e nanocompósitos de base epóxi." Universidade Federal de São Carlos, 2015. https://repositorio.ufscar.br/handle/ufscar/7452.

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Books on the topic "Fe3O4"

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Araújo, Ana Cláudia Vaz de. Síntese de nanopartículas de óxido de ferro e nanocompósitos com polianilina. Brazil Publishing, 2021. http://dx.doi.org/10.31012/978-65-5861-120-2.

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In this work magnetic Fe3O4 nanoparticles were synthesized through the precipitation method from an aqueous ferrous sulfate solution under ultrasound. A 23 factorial design in duplicate was carried out to determine the best synthesis conditions and to obtain the smallest crystallite sizes. Selected conditions were ultrasound frequency of 593 kHz for 40 min in 1.0 mol L-1 NaOH medium. Average crystallite sizes were of the order of 25 nm. The phase obtained was identified by X-ray diffractometry (XRD) as magnetite. Scanning electron microscopy (SEM) showed polydisperse particles with dimensions
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Fernandez-Pacheco, Amalio. Studies of Nanoconstrictions, Nanowires and Fe3O4 Thin Films: Electrical Conduction and Magnetic Properties. Fabrication by Focused Electron/Ion Beam. Springer, 2013.

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Fernandez-Pacheco, Amalio. Studies of Nanoconstrictions, Nanowires and Fe3O4 Thin Films: Electrical Conduction and Magnetic Properties. Fabrication by Focused Electron/Ion Beam. Springer, 2011.

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Fernández-Pacheco Chicón, Amalio. Electrical conduction and magnetic properties of nanoconstrictions and nanowires created by focused electron/ion beam and of Fe3O4 thin films. Prensas Universitarias de Zaragoza, 2009. http://dx.doi.org/10.26754/uz.978-84-92774-52-4.

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Chicón, Amalio Fernández-Pacheco. Electrical conduction and magnetic properties of nanoconstrictions and nanowires created by focused electron/ion beam and of Fe304 thin films. Prensas de la Universidad de Zaragoza, 2009.

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Chicón, Amalio Fernández-Pacheco. Electrical conduction and magnetic properties of nanoconstrictions and nanowires created by focused electron/ion beam and of Fe304 thin films. Prensas de la Universidad de Zaragoza, 2009.

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Book chapters on the topic "Fe3O4"

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Villars, P., K. Cenzual, J. Daams, et al. "Fe3O4." In Structure Types. Part 5: Space Groups (173) P63 - (166) R-3m. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-46933-9_542.

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Kawazoe, Yoshiyuki, Takeshi Kanomata, and Ryunosuke Note. "Fe3O4." In High Pressure Materials Properties: Magnetic Properties of Oxides Under Pressure. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-64593-2_17.

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Raut, S. D., and S. G. Dahotre. "Comparative Study of Fe3O4 and Calcium-Doped Fe3O4." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7114-1_5.

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Wollschläger, J. "Coexistence of domains: other binary oxides (Ce7O11, Fe3O4, Fe3O4/MgO, SnO2, WO3)." In Physics of Solid Surfaces. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-53908-8_76.

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Moarref, Roxana, and Saeed Pourmahdian. "Preparation of Fe3O4/Polymethyl Methacrylate Composite Particles from Monolayer Oleic Acid-Modified Fe3O4." In Eco-friendly and Smart Polymer Systems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45085-4_89.

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Pylypchuk, Ie V., Iu P. Mukha, N. V. Vityuk, et al. "Tryptophan-Stabilized Plasmonic Fe3O4/Ag Nanoparticles." In Springer Proceedings in Physics. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-17755-3_28.

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Fernandez-Pacheco, Amalio. "Magnetotransport Properties of Epitaxial Fe3O4 Thin Films." In Studies of Nanoconstrictions, Nanowires and Fe₃O₄ Thin Films. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-15801-8_3.

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Wollschläger, J. "Structure of domain boundaries: binary oxides: Fe3O4." In Physics of Solid Surfaces. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-53908-8_46.

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Wollschläger, J. "Decoration of domain boundaries: binary oxides: Fe3O4." In Physics of Solid Surfaces. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-53908-8_64.

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Zheng, Hong, Yong Yang, Mingji Zhou, and Fashen Li. "Microwave absorption and Mössbauer studies of Fe3O4 nanoparticles." In ISIAME 2008. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01370-6_16.

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Conference papers on the topic "Fe3O4"

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Owen, Joshua, Richard Barker, Francois Ropital, et al. "Modified Magnetite Surface Layers on Carbon Steel in Aqueous CO2 Environments." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19127.

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Abstract Through implementation of electrochemical and surface analytical techniques, we investigate the behavior of magnetite (Fe3O4) and mixed metal (M) magnetite (MxFe3-xO4) layers on carbon steel surfaces in CO2 environments. Initially, Fe3O4 layers formed naturally at 250°C are evaluated, to fully characterise the behaviour of Fe3O4 layers and their role in carbon steel corrosion across a range of CO2-saturated conditions. Gravimetric measurements were performed to determine corrosion rates, complemented by the implementation of X-ray diffraction and scanning electron microscopy to shed f
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Cuenca, Juan Pablo, Juan David Lopez, Paulo H. Silva, et al. "Iron oxide and copper oxide nanoparticles synthetized by laser ablation technique used as coatings to prevent CaCO3 scale on stainless steel." In Latin America Optics and Photonics Conference. Optica Publishing Group, 2024. https://doi.org/10.1364/laop.2024.tu4a.2.

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This work presents the synthesis and optical characterization of Fe3O4 and CuO nanoparticles used to prevent CaCO3 scaling on stainless steel. The results showed that Fe3O4-coated steel pieces inhibited CaCO3 fouling by up to 40%.
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Kumai, Christopher S., and Thomas M. Devine. "Oxidation of Iron in 288°C, Oxygen-Containing Water." In CORROSION 2001. NACE International, 2001. https://doi.org/10.5006/c2001-01149.

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Abstract In situ Raman spectroscopy, surface enhanced Raman spectroscopy, scanning electron microscopy and measurements of corrosion potential were used to investigate the films formed on iron in 288°C water with dissolved oxygen concentrations that ranged from 0 to 208 ppb. A double layer film of Fe3O4 that consists of an inner, conformal layer and an outer layer of faceted, loosely packed particles forms in water containing 0 to 22 ppb oxygen. Passivation of the iron surface begins at dissolved oxygen concentrations of ≈ 8 ppb and is a two step process: first, between 8 and 22 ppb oxygen, th
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Owen, Joshua, Richard Barker, Erlend Straume, and Sigrún Nanna Karlsdóttir. "Magnetite Formation and Localized Corrosion of Carbon Steel in a Simulated Geothermal Environment at Elevated Temperature and Pressure." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00333.

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Abstract This study investigates the formation of magnetite (Fe3O4) corrosion product layers on carbon steel surfaces in carbon dioxide (CO2)-containing conditions representative of produced fluids in geothermal energy systems. X65 carbon steel coupons were immersed in CO2-containing, 0.3 wt.% sodium chloride solution at pH ~7.5. The test solution was heated to a temperature of 250 °C and pressurized to 45 bar using an autoclave system, with X65 carbon steel coupons positioned in the liquid phase, vapor phase and at the liquid-vapor interface for a period of 48 h and 96 h. Gravimetric measurem
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Owen, Joshua, Francois Ropital, Gaurav R. Joshi, Jean Kittel, and Richard Barker. "Galvanic Interactions between Surface Layers and Bare Carbon Steel in Aqueous CO2 Environments." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17654.

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ABSTRACT Iron carbonate (FeCO3), magnetite (Fe3O4) and iron carbide (Fe3C) layers are able to form on carbon steel surfaces in aqueous carbon dioxide (CO2) environments, and suspected to play a critical role in uniform and localized corrosion of the underlying steel. Fe3C and Fe3O4 are known to establish micro-galvanic cells with uncovered regions of the steel surface, due to their conductive and semi-conductive nature respectively, enhancing corrosion rates. To evaluate the significance of the layers’ galvanic corrosion in an aqueous CO2 environment, layers of Fe3C, Fe3O4 and FeCO3 were forme
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Serenario, Maria, Bernardo Santos, Xi Wang, et al. "Impact of Fe3O4 on the Performance of an Imidazolinium-Based Inhibitor for Mitigation of CO2 Corrosion of Carbon Steel." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19072.

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Abstract Use of corrosion inhibitors to mitigate pipeline corrosion is common in the oil and gas industry. Despite this, few studies focus on how the presence of corrosion products affect their performance. This work aimed to understand the impact of Fe3O4 on the performance of a commercial primarily imidazolinium-based corrosion inhibitor formulation. A magnetite layer was formed in an autoclave at a high temperature (1 wt.% NaCl, N2 sparged, pH 4, 120°C). The performance of the corrosion inhibitor was investigated with and without the presence of Fe3O4 (5 wt.% NaCl, CO2, pH 4.5, 55°C). Linea
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Gao, Shujun, Bruce Brown, David Young, Srdjan Nesic, and Marc Singer. "A Modified Thermodynamic Model for the Prediction of Mild Steel Corrosion Product Formation at High Temperature in an Aqueous H2S Environment." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-12869.

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Abstract The prediction of phase identity and characteristics of corrosion products formed on the corroding metal surface is of prime importance to understanding the corrosion mechanisms and the protectiveness conferred by the formed layers. Pourbaix diagrams, developed for CO2 environments, are typically successful in predicting (depending on pH, steel potential, temperature, pCO2, etc) the most stable forms of corrosion products. In H2S environments, however, it is more difficult to build a representative thermodynamic model (Pourbaix diagram) due to the formation of various iron sulfide pol
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Takemura, M., and M. J. McNallan. "Environmental Effects on Molten Chloride Accelerated Corrosion in Waste Incineration Systems." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95568.

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Abstract To simulate corrosion of superheater tubes in waste incinerators, the effects of gas mixtures of Cl2-O2 and HCl-O2-H2O and KCl deposit on corrosion of C1010 low carbon steel at 400°C were examined by using thermogravimetric analysis. In 0.2/0.5/2%Cl2-1%O2-bal.Ar, accelerated corrosion occurred, and followed by mass decrease. In 0.2%Cl2-1%O2-bal.Ar, the top layer of scale was Fe3O4, which had a different morphology from that produced in environments without KCl, and beneath the Fe3O4 layer more K and Cl was detected. Accelerated corrosion would be hot corrosion by molten eutectic salt
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Lugo, J. Eduardo, Hugo Avalos Sánchez, Abraham J. Carmona Carmona, et al. "Inducing electromagnetic forces in magnetic photonic opal/Fe3O4 glasses." In Optical Trapping and Optical Micromanipulation XXI, edited by Halina Rubinsztein-Dunlop, Kishan Dholakia, and Giovanni Volpe. SPIE, 2024. http://dx.doi.org/10.1117/12.3028691.

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Huang, Z., J. Yue, J. Wang, Y. Zhai, Y. Xu, and B. Wang. "Oscillatory tunneling magnetoresistance in Fe3O4/GaAs/Fe3O4 junction." In 2015 IEEE International Magnetics Conference (INTERMAG). IEEE, 2015. http://dx.doi.org/10.1109/intmag.2015.7156969.

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Reports on the topic "Fe3O4"

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S.E. Ziemniak and R.A. Castelli. Immiscibility in the Fe3O4-FeCr2O4 Spinel Binary. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/821371.

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Beyer, Frederick, Justin Jahnke, and Mark Allen. Characterization of Fe3O4 Magnetosomes by Small-angle X-ray Scattering. DEVCOM Army Research Laboratory, 2022. http://dx.doi.org/10.21236/ad1176679.

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Toney, Michael F. Nanoscale Phase Separation in Fe3O4(111) Films on Sapphire(0001) and Phase Stability of Fe3O4(001) Films on MgO(001) Grown by Oxygen-Plasma-Assisted Molecular Beam Epitaxy. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/813273.

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Steven A. Attanasio, David S. Morton, and Mark A. Ando. Measurement and Calculation of Electrochemical Potentials in Hydrogenated High Temperature Water, including an Evaluation of the Yttria-Stabilized Zirconia/Iron-Iron Oxide (Fe/Fe3O4) Probe as Reference Electrode. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/821313.

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Baete, Christophe. PR-405-173610-R01 Develop New Criteria for DC Stray Current Interference. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011602.

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This report refers to the activities performed in the frame of PRCI project on the refinement of the dynamic DC stray current corrosion criteria by applying an advanced DC corrosion prediction model. In order to find realistic stray current interference conditions, an industry survey was performed to retrieve dynamic DC interference signals on real-world pipelines. After analysis of the cases, a simulation matrix was proposed that covers a wide variety of interference conditions. The simulated signals were simplified as squared pulses. The European Standard EN 50162 Protection against corrosio
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