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Mesaros A, Garzón A, Nasui M, Bortnic R, Vasile B, Vasile O, Iordache F, Leostean C, Ciontea L, Ros J, Pana O. Insight into synthesis and characterisation of Ga 0.9Fe 2.1O 4 superparamagnetic NPs for biomedical applications. Sci Rep 2023; 13:18175. [PMID: 37875541 PMCID: PMC10598038 DOI: 10.1038/s41598-023-45285-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/18/2023] [Indexed: 10/26/2023] Open
Abstract
A Ga3+-substituted spinel magnetite nanoparticles (NPs) with the formula Ga0.9Fe2.1O4 were synthesized using both the one-pot solvothermal decomposition method (TD) and the microwave-assisted heating method (MW). Stable colloidal solutions were obtained by using triethylene glycol, which served as a NPs stabilizer and as a reaction medium in both methods. A narrow size distribution of NPs, below 10 nm, was achieved through selected nucleation and growth. The composition, structure, morphology, and magnetic properties of the NPs were investigated using FTIR spectroscopy, thermal analysis (TA), X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and magnetic measurements. NPs with the expected spinel structure were obtained in the case of the TD method, while the MW method produced, additionally, an important amount of gallium suboxide. The NPs, especially those prepared by TD, have superparamagnetic behavior with 2.02 μB/f.u. at 300 K and 3.06 μB/f.u. at 4.2 K. For the MW sample these values are 0.5 μB/f.u. and 0.6 μB/f.u. at 300 K and 4.2 K, respectively. The MW prepared sample contains a secondary phase and very small NPs which affects both the dimensional distribution and the magnetic behavior of NPs. The NPs were tested in vitro on amniotic mesenchymal stem cells. It was shown that the cellular metabolism is active in the presence of Ga0.9Fe2.1O4 NPs and preserves an active biocompatible cytoskeleton.
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Affiliation(s)
- Amalia Mesaros
- Physics and Chemistry Department, Technical University of Cluj-Napoca, 28 Memorandumului Street, Cluj-Napoca, Romania
| | - Alba Garzón
- Institut Català de Nanocència i Nanotecnologia (ICN2), Av. Serragalliners S/N, 08193, Bellaterra, Spain
| | - Mircea Nasui
- Physics and Chemistry Department, Technical University of Cluj-Napoca, 28 Memorandumului Street, Cluj-Napoca, Romania
| | - Rares Bortnic
- Physics and Chemistry Department, Technical University of Cluj-Napoca, 28 Memorandumului Street, Cluj-Napoca, Romania
| | - Bogdan Vasile
- Research Center for Advanced Materials, Products and Processes, National University for Science and Technology Politehnica Bucharest, Splaiul Independentei 313, S6, Bucharest, Romania
| | - Otilia Vasile
- National University for Science and Technology Politehnica Bucharest, National Research Center for Micro and Nanomaterials, Splaiul Independentei 313, S6, Bucharest, Romania
| | - Florin Iordache
- Faculty of Veterinary Medicine, University of Agronomical Sciences and Veterinary Medicine, 105 Blvd. Splaiul Independentei, 050097, Bucharest, Romania
| | - Cristian Leostean
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293, Cluj-Napoca, Romania
| | - Lelia Ciontea
- Physics and Chemistry Department, Technical University of Cluj-Napoca, 28 Memorandumului Street, Cluj-Napoca, Romania
| | - Josep Ros
- Departament de Química Inorgànica, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Ovidiu Pana
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293, Cluj-Napoca, Romania.
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Mechanical performance and thermal stability of hardened Portland cement-recycled sludge pastes containing MnFe 2O 4 nanoparticles. Sci Rep 2023; 13:2036. [PMID: 36739321 PMCID: PMC9899259 DOI: 10.1038/s41598-023-29093-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 01/30/2023] [Indexed: 02/06/2023] Open
Abstract
This study focused on investigating the possibility of using different ratios (5, 10, 15 mass%) of recycled alum sludge (RAS) as partial replacement of ordinary Portland cement (OPC), to contribute to solving the problems encountered by cement production as well as stockpiling of large quantities of water-treated sludge waste. MnFe2O4 spinel nanoparticles (NMFs) were used to elaborate the mechanical characteristics and durability of different OPC-RAS blends. The outcomes of compressive strength, bulk density, water absorption, and stability against firing tests fastened the suitability of utilization of RAS waste for replacing OPC (maximum limit 10%). The inclusion of different doses of NMFs nanoparticles (0.5, 1 and 2 mass %) within OPC-RAS pastes, motivates the configuration of hardened nanocomposites with improved physico-mechanical characteristics and stability against firing. Composite made from 90% OPC-10% RAS-0.5% NMFs presented the best characteristics and consider the optimal choice for general construction applications. Thermogravimetric analysis (TGA/DTG), X-ray diffraction analysis (XRD), and scanning electron microscope (SEM) techniques. affirmed the positive impact of NMFs particles, as they demonstrated the formation of enormous phases as ilvaite (CFSH), calcium silicate hydrates (CSHs), MnCSH, Nchwaningite [Mn2 SiO3(OH)2 H2O], [(Mn, Ca) Mn4O9⋅3H2O], calcium aluminosilicate hydrates (CASH), Glaucochroite [(Ca, Mn)2SiO4, and calcium ferrite hydrate (CFH). These hydrates boosted the robustness and degradation resistance of the hardened nanocomposites upon firing.
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3
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Nanoparticles application as a therapeutic strategy for diabetes mellitus management. UKRAINIAN BIOCHEMICAL JOURNAL 2022. [DOI: 10.15407/ubj94.02.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The prevalence of diabetes, as reported by the World Health Organization and the International Diabetes Federation, has raised many eyebrows about the dangers of diabetes mellitus to society, leading to the development of various therapeutic techniques, including nanotechnological, in the management of this disease. This review discusses silver, gold, ceramic, alloy, magnetic, silica, polymeric nanoparticles and their various applications in diabetes management which may help to reduce the incidence of diabetes and its complication.
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Murugesan C, Ugendar K, Okrasa L, Shen J, Chandrasekaran G. Zinc substitution effect on the structural, spectroscopic and electrical properties of nanocrystalline MnFe 2O 4 spinel ferrite. CERAMICS INTERNATIONAL 2021; 47:1672-1685. [PMID: 32905031 PMCID: PMC7462581 DOI: 10.1016/j.ceramint.2020.08.284] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 08/21/2020] [Accepted: 08/31/2020] [Indexed: 05/14/2023]
Abstract
This paper reports the structural, morphological, spectroscopic, dielectric, ac conductivity, and impedance properties of nanocrystalline Mn1-xZnxFe2O4. The nanocrystalline Mn-Zn ferrites were synthesized using a solvent-free combustion reaction method. The structural analysis using X-ray diffraction (XRD) pattern reveals the single-phase of all the samples and the Rietveld refined XRD patterns confirmed the cubic-spinel structure. The calculated crystallite size values increase from 8.5 nm to 19.6 nm with the Zn concentration. The surface morphological analysis using field emission scanning electron microscopy and the transmission electron microscopy confirms the nano size of the prepared ferrites. X-ray photoelectron spectroscopy was used to study the ionic state of the atoms present in the samples. Further, the high-resolution Mn 2p, Zn 2p, Fe 2p, and O 1s spectra of Mn1-xZnxFe2O4 does not result in the appearance of new peaks with Zn content, indicating that the Zn substitution does not change the ionic state of Mn, Zn, Fe, and O present in nanocrystalline Mn1-xZnxFe2O4. The investigated electrical properties show that the dielectric constant, tan δ and ac conductivity gradually decrease with increasing Zn substitution and the sample Mn0 · 2Zn0 · 8Fe2O4 has the lowest value of conductivity at 303 K. The ac conductivity measured at different temperatures shows the semiconducting nature of the ferrites. The impedance spectra analysis shows that the contribution of grain boundary is higher compared with the grain to the resistance. The obtained results suggest that the Zn substituted manganese ferrite nanoparticles can act as a promising candidate for high-frequency electronic devices applications.
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Affiliation(s)
- C Murugesan
- College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen, China
- Department of Physics, Pondicherry University, Puducherry, 605014, India
| | - K Ugendar
- Department of Applied Physics, Jabalpur Engineering College, Gokalpur, Jabalpur, 482011, MP, India
| | - L Okrasa
- Department of Molecular Physics, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Jun Shen
- College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen, China
| | - G Chandrasekaran
- Department of Physics, Pondicherry University, Puducherry, 605014, India
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Tangcharoen T, Klysubun W, T-Thienprasert J, Kongmark C. Cation exchange in Ni–Cu–Zn aluminate spinels revealed by EXAFS. J SOLID STATE CHEM 2020. [DOI: 10.1016/j.jssc.2020.121695] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Thakur P, Chahar D, Taneja S, Bhalla N, Thakur A. A review on MnZn ferrites: Synthesis, characterization and applications. CERAMICS INTERNATIONAL 2020; 46:15740-15763. [PMID: 32292223 PMCID: PMC7138391 DOI: 10.1016/j.ceramint.2020.03.287] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 03/26/2020] [Accepted: 03/30/2020] [Indexed: 05/27/2023]
Abstract
Researchers are taking great interest in the synthesis and characterization of MnZn ferrites due to their wide range of applications in many areas. MnZn ferrites are a class of soft magnetic materials that have very good electrical, magnetic and optical properties. The properties of MnZn ferrites include high value of resistivity, permeability, permittivity, saturation magnetization, low power losses and coercivity. The above mentioned advantageous features of MnZn ferrites make them suitable for the use in various applications. In biomedical field these ferrites are used for cancer treatment and MRI. MnZn ferrites are also used in electronic applications for making transformers, transducers and inductors. These ferrites are also used in magnetic fluids, sensors and biosensors. MnZn ferrite is highly useful material for several electrical and electronic applications. It finds applications in almost every household appliances like mobile charger, LED bulb, TV, refrigerator, juicer mixer, washing machine, iron, microwave oven, mobile, laptop, desktop, printer and so on. Therefore, the present review focuses on different techniques for synthesis of MnZn ferrites in literature, their characterization tools, effect of doping on the properties of MnZn ferrite and finally we will discuss about their applications.
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Affiliation(s)
- Preeti Thakur
- Department of Physics, Amity School of Applied Sciences, Amity University Haryana, Gurgaon, Haryana, 122413, India
| | - Deepika Chahar
- Department of Physics, Amity School of Applied Sciences, Amity University Haryana, Gurgaon, Haryana, 122413, India
| | - Shilpa Taneja
- Department of Physics, Amity School of Applied Sciences, Amity University Haryana, Gurgaon, Haryana, 122413, India
| | - Nikhil Bhalla
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown, Shore Road, BT37 0QB, Northern Ireland, United Kingdom
- Healthcare Technology Hub, Ulster University, Jordanstown Shore Road, Northern Ireland, BT37 0QB, United Kingdom
| | - Atul Thakur
- Centre for Nanotechnology, Amity University Haryana, Gurgaon, Haryana, 122413, India
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7
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Kefeni KK, Msagati TAM, Nkambule TT, Mamba BB. Spinel ferrite nanoparticles and nanocomposites for biomedical applications and their toxicity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 107:110314. [PMID: 31761184 DOI: 10.1016/j.msec.2019.110314] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 09/18/2019] [Accepted: 10/13/2019] [Indexed: 12/17/2022]
Abstract
This review focuses on the biomedical applications and toxicity of spinel ferrite nanoparticles (SFNPs) with more emphasis on the recently published work. A critical review is provided on recent advances of SFNPs applications in biomedical areas. The novelty of SFNPs in addressing the bottleneck problems encountered in the areas of health; in particular, for diagnosis and treatment of tumour cells are well reviewed. Furthermore, research gaps, toxicity of SFNPs and areas which still need more attention are highlighted. Based on the result of this review, the SFNPs have unlimited capacity in cancer treatment, disease diagnosis, magnetic resonance imaging, drug delivery and release. Overall, stepping out of the conventional way of treatment is difficult but also essential in bringing long lasting solution for cancer and other diseases treatment. In fact, the toxicity study and commercialisation of the SFNPs based cancer treatment options are the main challenges and need further study, in order to reduce unforeseen consequences.
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Affiliation(s)
- Kebede K Kefeni
- Nanotechnology and Water Sustainability Research Unit, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, 1710, South Africa.
| | - Titus A M Msagati
- Nanotechnology and Water Sustainability Research Unit, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, 1710, South Africa
| | - Thabo Ti Nkambule
- Nanotechnology and Water Sustainability Research Unit, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, 1710, South Africa
| | - Bhekie B Mamba
- Nanotechnology and Water Sustainability Research Unit, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, 1710, South Africa; State Key Laboratory of Separation Membranes and Membrane Processes, National Centre for International Joint Research on Membrane Science and Technology, Tianjin, 300387, PR China.
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Khan SB, Irfan S, Lee SL. Influence of Zn +2 Doping on Ni-Based Nanoferrites; (Ni 1-x Zn xFe 2O 4). NANOMATERIALS 2019; 9:nano9071024. [PMID: 31319546 PMCID: PMC6669650 DOI: 10.3390/nano9071024] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/04/2019] [Accepted: 07/09/2019] [Indexed: 11/30/2022]
Abstract
Nickel zinc nanoferrites (Ni1−xZnxFe2O4) were synthesized via a chemical co-precipitation method having stoichiometric proportion (x) altering from 0.00 to 1.00 in steps of 0.25. The synthesized nanoparticles were sintered at 800 °C for 12 h. X-ray diffraction patterns illustrate that the nanocrystalline cubic spinel ferrites have been obtained after sintering. The Scherrer formula is used to evaluate the particle size using the extreme intense peak (311). The experimental results demonstrate that precipitated particles’ size was in the range of 20–60 nm. Scanning electron microscopy (SEM) is used to investigate the elemental configuration and morphological characterizations of all the prepared samples. FTIR spectroscopy data for respective sites were examined in the range of 300–1000 cm−1. The higher frequency band ν1 were assigned due to tetrahedral complexes while lower frequency band ν2 were allocated due to octahedral complexes. Our experimental results demonstrate that the lattice constant a0 increases while lattice strain decreases with increasing zinc substitution in nickel zinc nanoferrites.
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Affiliation(s)
- Sadaf Bashir Khan
- Institute for Advanced Study, Shenzhen University, Guangdong 518060, China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Syed Irfan
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Advanced Thin Films and Applications, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen 518060, China
| | - Shern-Long Lee
- Institute for Advanced Study, Shenzhen University, Guangdong 518060, China.
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9
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Tangcharoen T, Klysubun W, Kongmark C. Synchrotron X-ray absorption spectroscopy and cation distribution studies of NiAl2O4, CuAl2O4, and ZnAl2O4 nanoparticles synthesized by sol-gel auto combustion method. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.01.049] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Imran Din M, Rafique F, Hussain MS, Arslan Mehmood H, Waseem S. Recent developments in the synthesis and stability of metal ferrite nanoparticles. Sci Prog 2019; 102:61-72. [PMID: 31829786 PMCID: PMC10424556 DOI: 10.1177/0036850419826799] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This article presents a comprehensive review on the synthesis and stability of ferrite nanoparticles such as nickel ferrite (NiFe2O4), zinc ferrite (ZnFe2O4), manganese ferrite (MnFe2O4), iron ferrite (Fe2O3), cobalt ferrite (CoFe2O4) and also mixed nanoparticles. Different synthetic methods for ferrite nanoparticles have been reviewed such as co-precipitation, thermal decomposition and hydrothermal, microwave-assisted and sonochemical methods. The effect on the stability of different capping agents like canola oil, glycerol, sodium dodecyl, sodium citrate, oleic acid, Triton-100 and sodium dodecyl benzene sulfonates has also been studied.
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Affiliation(s)
| | - Faria Rafique
- Institute of Chemistry, University of Punjab, Lahore, Pakistan
| | | | | | - Sadia Waseem
- Institute of Chemistry, University of Punjab, Lahore, Pakistan
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11
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Chaibakhsh N, Moradi-Shoeili Z. Enzyme mimetic activities of spinel substituted nanoferrites (MFe 2O 4): A review of synthesis, mechanism and potential applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 99:1424-1447. [PMID: 30889678 DOI: 10.1016/j.msec.2019.02.086] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 02/19/2019] [Accepted: 02/21/2019] [Indexed: 02/07/2023]
Abstract
Recently, the intrinsic enzyme-like activities of some nanoscale materials known as "nanozymes" have become a growing area of interest. Nanosized spinel substituted ferrites (SFs) with general formula of MFe2O4, where M represents a transition metal, are among a group of magnetic nanomaterials attracting researchers' enormous attention because of their excellent catalytic performance, biomedical applications and capability for environmental remediation. Due to their unique nanoscale physical-chemical properties, they have been used to mimic the catalytic activity of natural enzymes such as peroxidases, oxidases and catalases. In addition, various nanocomposite materials based on SFs have been introduced as novel artificial enzymes. This review mainly highlights the synthetic approaches for newly developed SF-nanozymes and also the structural/experimental factors that are effective on the kinetics and catalytic mechanisms of enzyme-like reactions. SF-nanozymes have been found potentially capable of being applied in various fields such as enzyme-free immunoassays and biosensors for colorimetric detection of biological molecules. Therefore, the application of SF nanoparticles, as efficient enzyme mimetics have been detailed discussed.
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Affiliation(s)
- Naz Chaibakhsh
- Department of Chemistry, Faculty of Sciences, University of Guilan, Rasht 41996-13776, Iran.
| | - Zeinab Moradi-Shoeili
- Department of Chemistry, Faculty of Sciences, University of Guilan, Rasht 41996-13776, Iran.
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12
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Kharbanda P, Madaan T, Sharma I, Vashishtha S, Kumar P, Chauhan A, Mittal S, Bangruwa JS, Verma V. Ferrites: magnetic materials as an alternate source of green electrical energy. Heliyon 2019; 5:e01151. [PMID: 30723829 PMCID: PMC6351576 DOI: 10.1016/j.heliyon.2019.e01151] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 12/11/2018] [Accepted: 01/18/2019] [Indexed: 11/06/2022] Open
Abstract
Ferrites samples Mg1-xLixFe2O4 for x = 0.0, 0.1, 0.2, 0.3, were synthesized by solid-state sintering method. Detailed investigations were made on the structural, morphological, magnetic and electrical proprieties of these samples. A detailed investigation was performed on power generation of these samples and role of Li-doping has been discussed. The X-ray Diffraction (XRD) pattern confirms the spinel phase formation in samples without any impurity. It is observed from Scanning Electron Microscopy that average grain size of samples decreases with lithium doping in MgFe2O4. The saturation magnetization of MgFe2O4 (15.4 emu/g) is found to increase with Lithium percentage and maximum 39.3 emu/g for Mg0.7Li0.3Fe2O4 sample. Ferrites play a crucial role in magnetic recording, microwave magnetic devices and many applications in medical sciences. Recently, it was observed that ferrites can be an alternate source of green energy by inventing hydroelectric cell (HEC). The processes of water adsorption and dissociation on the metal-oxide surface, plays an important role in production of electricity in ferrites. When, water is sprayed on hydroelectric cell the thermodynamic driving force is responsible for the formation of stable metal-oxygen or metal-hydroxyl bonds. The reactivity of ferrite surface towards water is based on the interaction of these ions and the d orbital of the Fe atom. Due to this interaction, water dissociated in H3O+ and OH− ions and migrates toward silver and zinc electrodes respectively. A typical hydroelectric cell of 2 inch diameter produces 17.1 mA of peak current and 949 mV voltage with a maximum output power of 15.85 mW for Li = 0.2 doped MgFe2O4 sample.
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Affiliation(s)
- Pranati Kharbanda
- Department of Physics, Hindu College, University of Delhi, Delhi, India
| | - Tushar Madaan
- Department of Physics, Hindu College, University of Delhi, Delhi, India
| | - Isha Sharma
- Department of Physics, Hindu College, University of Delhi, Delhi, India
| | - Shruti Vashishtha
- Department of Physics, Hindu College, University of Delhi, Delhi, India
| | - Parveen Kumar
- Department of Physics, Hindu College, University of Delhi, Delhi, India.,Department of Physics and Astrophysics, University of Delhi, Delhi, India
| | - Arti Chauhan
- Department of Physics, Hindu College, University of Delhi, Delhi, India.,Department of Physics and Astrophysics, University of Delhi, Delhi, India
| | - Sumit Mittal
- Department of Physics, Hindu College, University of Delhi, Delhi, India.,Department of Physics and Astrophysics, University of Delhi, Delhi, India
| | - Jarnail S Bangruwa
- Department of Physics, Hindu College, University of Delhi, Delhi, India.,Department of Physics and Astrophysics, University of Delhi, Delhi, India
| | - Vivek Verma
- Department of Physics, Hindu College, University of Delhi, Delhi, India
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Kafshgari LA, Ghorbani M, Azizi A. Synthesis and characterization of manganese ferrite nanostructure by co-precipitation, sol-gel, and hydrothermal methods. PARTICULATE SCIENCE AND TECHNOLOGY 2018. [DOI: 10.1080/02726351.2018.1461154] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
| | - Mohsen Ghorbani
- Department of Chemical Engineerng, Babol Noshirvani University of Technolgy, Babol, Iran
| | - Asghar Azizi
- Faculty of Mining, Petroleum and Geophysics, Shahrood University of Technology, Shahrood, Iran
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14
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Synthesis, physicochemical properties and photocatalytic activity of nanosized Mg doped Mn ferrite. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.01.108] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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15
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Effect of preparation conditions on the nanostructure of hydroxyapatite and brushite phases. APPLIED NANOSCIENCE 2015. [DOI: 10.1007/s13204-015-0509-4] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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16
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Murugesan C, Chandrasekaran G. Impact of Gd3+ substitution on the structural, magnetic and electrical properties of cobalt ferrite nanoparticles. RSC Adv 2015. [DOI: 10.1039/c5ra14351a] [Citation(s) in RCA: 170] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Gd substitution reduces the crystallite size of cobalt ferrite nanoparticles and enhances their electrical and magnetic properties, which could enable a higher memory storage capability.
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Affiliation(s)
- C. Murugesan
- Department of Physics
- School of Physical, Chemical and Applied Sciences
- Pondicherry University
- Puducherry – 605014
- India
| | - G. Chandrasekaran
- Department of Physics
- School of Physical, Chemical and Applied Sciences
- Pondicherry University
- Puducherry – 605014
- India
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Abstract
Nano-hematite (α-Fe2O3) and nano-cadmium ferrite (CdFe2O4) are prepared using template-assisted sol-gel method. The prepared samples are analyzed using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and Mössbauer spectroscopy techniques for structural and microstructural studies. Nano-α-Fe2O3 with particle size ~60 nm is formed at 500°C, while nano-CdFe2O4 with smaller particle size (~40 nm) is formed at 600°C. It is found that with a simple sol-gel process we can prepare nano-CdFe2O4 with better conditions than other methods: pure phase at lower sintering temperature and time (economic point) and of course with a smaller particle size. So, based on the obtained experimental results, a proposed theoretical model is made to explain the link between the use of the sol-gel process and the formation of nano-CdFe2O4 as a pure phase at low temperature. This model is based on a simple magnetostatic interaction between the formed nuclei within the solution leading to the formation of the stable phase at low temperature.
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Qi Y, Shao C, Gu W, Li F, Deng Y, Li H, Ye L. Carboxylic silane-exchanged manganese ferrite nanoclusters with high relaxivity for magnetic resonance imaging. J Mater Chem B 2013; 1:1846-1851. [DOI: 10.1039/c3tb00037k] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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